From 752d6256e5204b958b0ef7905675a940b5e9172f Mon Sep 17 00:00:00 2001 From: V3n3RiX Date: Thu, 12 May 2022 16:42:50 +0300 Subject: gentoo resync : 12.05.2022 --- sys-libs/glibc/Manifest | 17 +- sys-libs/glibc/glibc-2.34-r10.ebuild | 2 +- sys-libs/glibc/glibc-2.34-r12.ebuild | 1617 ++++++++++++++++++++++++++++++++++ sys-libs/glibc/glibc-2.34-r13.ebuild | 1617 ++++++++++++++++++++++++++++++++++ sys-libs/glibc/glibc-2.35-r1.ebuild | 1582 --------------------------------- sys-libs/glibc/glibc-2.35-r2.ebuild | 1593 --------------------------------- sys-libs/glibc/glibc-2.35-r3.ebuild | 1601 +++++++++++++++++++++++++++++++++ sys-libs/glibc/glibc-2.35-r4.ebuild | 1596 +++++++++++++++++++++++++++++++++ sys-libs/glibc/glibc-9999.ebuild | 5 - sys-libs/glibc/metadata.xml | 1 + 10 files changed, 6443 insertions(+), 3188 deletions(-) create mode 100644 sys-libs/glibc/glibc-2.34-r12.ebuild create mode 100644 sys-libs/glibc/glibc-2.34-r13.ebuild delete mode 100644 sys-libs/glibc/glibc-2.35-r1.ebuild delete mode 100644 sys-libs/glibc/glibc-2.35-r2.ebuild create mode 100644 sys-libs/glibc/glibc-2.35-r3.ebuild create mode 100644 sys-libs/glibc/glibc-2.35-r4.ebuild (limited to 'sys-libs/glibc') diff --git a/sys-libs/glibc/Manifest b/sys-libs/glibc/Manifest index 4a48e9eb19ea..2f57073cf3a7 100644 --- a/sys-libs/glibc/Manifest +++ b/sys-libs/glibc/Manifest @@ -25,9 +25,10 @@ DIST glibc-2.33-patches-11.tar.xz 143916 BLAKE2B ac13b3ccf9681bb6d3c35ecc33e268e DIST glibc-2.33.tar.xz 17031280 BLAKE2B 703d12121c1e2c5d9e0c6ba5341f5fb5c4d9111611a83f2360029b5de9c6e5a5611249d1833684a58ed4afdf49cae614365d87ec8721ba0e5d218f593b1f229d SHA512 4cb5777b68b22b746cc51669e0e9282b43c83f6944e42656e6db7195ebb68f2f9260f130fdeb4e3cfc64efae4f58d96c43d388f52be1eb024ca448084684abdb DIST glibc-2.34-patches-15.tar.xz 146124 BLAKE2B f679f0fc27780173875178537cf996cbfb59bb844566388df0c351dec125eb02070571d4e2852742b43933d09c7a148a39bbc7b2b71fffebd7b8d9d3c16850ac SHA512 5224613e2288fcf027be224001306a84019ebe741114ee1b09d3de9b269dad0280a6dc4d88f4bc38dace501b2944a0098972589a1560756cb3da7e1b7341d672 DIST glibc-2.34-patches-16.tar.xz 164648 BLAKE2B 78786a67109812942ac11bee9a880b9383aa61d0c2b006e3e7e635218842f49c6ce5b7c75597f7d317aa18fede0ca0c79a4bd436b8659ba6a2f1953848484d2a SHA512 acfc91e821cd8b4e57907c7aeaf1eac0bae1f8e244e4011f27819a8ba16a4e9c10fc675c6aaff992be81bba9373ec981fb598838f26aa247e7bd016e2cd786d2 +DIST glibc-2.34-patches-17.tar.xz 241584 BLAKE2B e4eea130c331f64ba66e14a6ba318853141ee3e41b455cb45b8fdb702cae071dd307229dafcfcafcc41e5a56982f52c87e31d95295f824f1a2ae689a7e0f5b49 SHA512 c6a51b373be3986e1ad753541ccf73f29515b5df0f80e0450b26bed37e8c505e22e8f13e89554347e551819c8d89d30f306464e5d25cafa4a12400c112578dca DIST glibc-2.34.tar.xz 17301232 BLAKE2B 874031192f2f5a3b35c3f5b044a467d4be4e67e8593e070e5b49b901ce8ea6bde2f8d2f6c92fa33b3f61eb723572a9e5f2b45e56064168df80a96d3fdb6fa30c SHA512 15252affd9ef4523a8001db16d497f4fdcb3ddf4cde7fe80e075df0bd3cc6524dc29fbe20229dbf5f97af580556e6b1fac0de321a5fe25322bc3e72f93beb624 -DIST glibc-2.35-patches-4.tar.xz 45456 BLAKE2B 47e1c5e4db4969da27f14816ac9b856f3a57e152139e071f0fd0ecf53b7ac2a0372a8dec7e9e51808d463d2e5b12a6acc9145bb0127a7f36cf1d19b96a0efa41 SHA512 39ca84ed5f3e74bccb8875a77188bb16f6b45b1b22843b4ccf8a7f792d35e05e8305929fbeede290ebb128722caf8277da03dbf4aee9261940765f8dfcd01561 -DIST glibc-2.35-patches-5.tar.xz 45632 BLAKE2B b49161139e8a9e6f4351b5954f38eaa3b0b16a444c370b906e2fcac8eb25c306e6f95474063e511a4f8bf48c0eade9509a6158a1019e32ec4b95c49f992405eb SHA512 5bf20061f24ad087aa0f22808cb0dfd810e5413e71dc9b9c7ec0e9cecd172c40e3517e0a151294175351cf0e037e9c35d8b50ba391a312976e7c4103845089e4 +DIST glibc-2.35-loongarch-patches-20220422.tar.xz 44804 BLAKE2B b93720e45d23c8d17918ffaa480351499f4748bc08ab6e1f1fd3c681fcc0b08a3381188f5d4f14e6706baa5eb45c787bc635d0e8ea59712514012caf93992222 SHA512 28e2d02f07fcf61f76585dd59627314ed20ebe29ecd7ae7f5aea8db0704482fc024fee744cbee1776e666d14b80b1393f64cd2283e3c39be4c97ebe09efcdee2 +DIST glibc-2.35-patches-6.tar.xz 57236 BLAKE2B a03845733e2f0ebe179523458695963d729b4211b4ce14310d55163cd33aff502f9e14a4bb0068410777e9b9bb5be4ef7ad1a1fd51debf9191dcf89dc9ff08b8 SHA512 59c5e1669677e969873f5bba38958316a3b32523cac628b97513aed864e191da10499edac77bb5e9a07179d14cf3c75073fd03e8427f7bcfd68fedcedc35083e DIST glibc-2.35.tar.xz 18165952 BLAKE2B 623c728884f070cd87ffeb9203f74206197c52405ac9bc44f3dd519a3468b8e8ae2536c883e5d17d94417dbd1e91775de2e674314e4ff7424f9720026d6b7063 SHA512 e7336ce27561be5d7c217832a1136fb327e057bd8d3f92925b35c97e3e9f9e486948b5a1e03e5e4090772ef06437a074d10b82e68f17f1ad8f22077ee39e1b66 DIST glibc-systemd-20210729.tar.gz 1480 BLAKE2B 37722c7579df782d890e44dbab99c3de52ab466eb9de80d82405e9bb5620bf39ffc8c5f466a435bdb86ef6d36dd7019c0736573916bda6c67d02a2581e0ec979 SHA512 efd75af58b50522c28cdac7abd1fc56555bc1bb042512c90d8340c1ec09c5791b3872a305bf83723252bbde5855b75d958c041083457765c4cfd170732d09238 DIST glibc-systemd-20210814.tar.gz 1469 BLAKE2B 10fa7bcb46d4fdce9c0ab353cbd30871e9b09a347a13a9c9a3b5777f931aa3c826c158d2e49532c604d4a834f2fab4089b67495fb88d0398945dc50d45ad9ef1 SHA512 5346a9ea459a1e6ccf665389f2a294de1e16f1e3e05cdf07e3dd99ed0e4f6f8b52cc333d4bff3c75ac90ab6ce70cd4ab2b3e126f920ce7979abd6dda56315efc @@ -39,9 +40,11 @@ EBUILD glibc-2.30-r9.ebuild 43400 BLAKE2B 01cbb9398dbe5d93f110f7c7ffe24d40719d86 EBUILD glibc-2.31-r7.ebuild 44522 BLAKE2B 1adfba68c35d3af5ec8476b2fe5d3bebf13880eeacb5aaa8438b41b98f5b275f0816a0e654446f62ee2f34f412c5c6e72befcc0deb8988b6faec2c53a07601a9 SHA512 5247b1d75efa86b1a1c85a09219f54d402aae8aaecf0e377ca663a984daf7c69ea97b3072fe83a20002ec7d72661ec7737fbc72982122b58c26cb5bc89997548 EBUILD glibc-2.32-r8.ebuild 44853 BLAKE2B 724f95c0ed2cda18dc2edcaa03b0783a2bc603b72a67e1451535040ddc83be6d1a90ad4b30f9623140b5c0a329ecafb6f19793390137e629d43a3c26e202b28a SHA512 0973b86c266e40203e301cf0c6f8fddc4273c002ffb8fd6c16f6e78f2cfdfbea95fda04adfebb8ee84a14dc950763ba706eadadb2e83f7982b800bee636d5d8f EBUILD glibc-2.33-r13.ebuild 48593 BLAKE2B 59c4e32d200c6b8fe1e365361c9cc4f4d7f93ab861e93fb13cb9bc0cc8e2d4f3a2f1f8f394570e186398858afc6d844188581f18a8eb7c0964ab73a147be9dcb SHA512 7003a462e28abef982330ab6fc29b836176c3e1943605bd04c907c40376de812783ebcd74a91305a9f86df7c0a75494a29f2187848bc75e6b42198704c514001 -EBUILD glibc-2.34-r10.ebuild 50089 BLAKE2B ada10ebb3acce89f9839a8f3ab4c52e3f42d1a8767f5701f2be1a585178efa551a8c820df524af24def955692858cc0eb7bd60f53e30bed1f3392c9d36402fec SHA512 3d6658c00b5f9cac9c29d1b15ba00ebcd3212819bdeaa83ad56f10f78f4e89286fb1eab12821cd43d4516154d4f602433ed50b9d832ceba1af1a135c80d6d882 +EBUILD glibc-2.34-r10.ebuild 50088 BLAKE2B 0851200f354aaedd3b336e2d1a5a3bf69a75c2496c6a7468b33b14b87bc641173f25154ec67d5a4a55fe620e7449f898f0bad2142e409423dc6840ef83e8d379 SHA512 522199f7d10d0b39f6cc7f13ed47159ceced9c4228c102ff200350f0aafbaf8bf2510a04e78a90c194c332339d5241273aa6f933c0750f25c70f0144162a80ec EBUILD glibc-2.34-r11.ebuild 50012 BLAKE2B 2b5c796fc88561d3862f5e1897bec6bd9a40bc53897c9b3e49ceb0c3c0f5d9fe872884da288c5284fb8da738002d9e9acd9641299972eeed38b2b12758167100 SHA512 63191d7aa56e3aa0e24976525a01491255a273686ded3f1a05bde06594e96dc0734d7fda64b3f45cd6be042c2a0cfdd6b39dfc79acfd68bc6a19f5f43ba384f0 -EBUILD glibc-2.35-r1.ebuild 48339 BLAKE2B d837073cf2e62d8cb5d6f50f1b48db0ac5d0954f6407784622ea79709fb4750f08d24ffc702d83747671b27589370640a451dea2262ea452e34327ede556ce68 SHA512 0cbc1074684f2ed48317a5face037db43de562693ffd356068eaa4160b063c01155b258fe79e47359d0400c9f50f40f1876d92eef351106974b5be6b29220077 -EBUILD glibc-2.35-r2.ebuild 48683 BLAKE2B dd103c6ff435d01e2c28eabab7099ab06ff60284a7a94eccd5a23e9809005421eaea2e5c058714765264c6d518e2d7a329fa1b7ce520b339aaa54bdbb7d78185 SHA512 1e5e12cf6030cb6dd23bd5a7b98c8d6b96cc3a0d55ef769d793365ea091b3c07f498655f53fbcc7c0391880b67219aaddf4d54bc09f38a0eb8b31c6a01e230d5 -EBUILD glibc-9999.ebuild 48441 BLAKE2B b1b5a913d75abcc15229e073d3417df2ff3c21f146eae9ca9b85a4630d35c2a3811f49deaa28eddebb76a8d4cb4208a7c8552afcca469bd69c897d14fc06d8fe SHA512 9dc2a2c09a4ba4ce923098ce579e54f84d8b756da7ac0acf426abc331447dc47a77811dcdb88e903015c2ddfa3a033cb600f6d00b96e0ef4ba74fedcdb529b80 -MISC metadata.xml 1701 BLAKE2B 91bd245d0a3685d76e3f874b50db872660054767fca5181871022fbdef9a18c4e674890bfed52cc3332c9557430ae8eec64505e67cdbedff000987406ab69ac5 SHA512 524edc37a01a47958ef557d586e8f06c6132481734ea28ed57e146969503fd129ad1da813a4d2d143a9bb8abe8810b0d8c920ab3c422a729287838435c44743a +EBUILD glibc-2.34-r12.ebuild 49816 BLAKE2B 5ea20d72b5986f2b4ff100d69a8cb85965a529c36da5120fd6c1e8c76c540f917584138d459e13eceaaf3ffdc9d2cecdb9c9e0b22a9833e88b24e2a44bfe6671 SHA512 7b7075e6534fddc9bb69ff7f362647be2061f5389a163b8681244f319fc5872bd222fe7a77dfc19e8b49d5636ae215bd147480637d6b15c22928db8fc1115155 +EBUILD glibc-2.34-r13.ebuild 49811 BLAKE2B 3e6284195fc10ef246becf0840e385a99fae575b9516945d45e83396981860097de8273077485da9ed81438fff8298693475bec8beb38a09d7e0b9d9b364f17e SHA512 fbf32c89f338f10f0155f4ee9b0c6511572fa34da29f9fb4c165b472be5e39853d72407367be66f95198de6aa57bc9a0c45a5eb8b9c772f0d3fb4651d7fa7f32 +EBUILD glibc-2.35-r3.ebuild 49052 BLAKE2B 989cad0d895fdd4c7a6c405a72c3dcb90d799076b47e7667059e54585ee64fec9aba5e1c226546afc8770af13754fc7988f08600c1d50f05e804fec422db7190 SHA512 80289d19be44c9a787022a3a389e640d46ac75c1c3510249f78c56a5898661698b85f124f29678d2a947163050de669953162ff0def1587691466d21bce44853 +EBUILD glibc-2.35-r4.ebuild 48863 BLAKE2B 6ff922da2ddcde3899bc6de017e30e215ed45a177968bf076309dfb8a15d2c91c846ec2dc10d21fb1f76205b979fc160d7924abd69e0f3138f8a34365f459cee SHA512 ce418643d37654d9cfc072272a4680a4f11a78a67682d8ed2072cdedeae02d25271784878adf8f153c569bc982b4ac5c59d6758637847c4bf5a116be717af0af +EBUILD glibc-9999.ebuild 48245 BLAKE2B 75b64b12a0ac417ac154547505bf1f4067aff625b67e082b26bfd451dfcb1c2610b50f165d76cc21cf595caf2f8c1f97b45169246cc564135a131dae46ba2345 SHA512 2b1d562471dc9754328f20398e37406b02c93e896010260479ecea69e7efe58e52dab5f8b7b82bcb4b78a51fc35a6af5deb31c9db56a887e7709b2bdf502da73 +MISC metadata.xml 1777 BLAKE2B 5dbde040a3ddbb381ff649d9e357a8fc463844ed4b2dfd836104b493f23aa2bc0117f775caf9a1f85d9a05abae9b890c0616aebc24e4f0a1e0312529691ea6c4 SHA512 ada714a8f8878ef0976fd5186979effcb5a1792812222468b881ffd45ccfecdb2c2cb04be670b181ff6f329caa40ed82760ae8019e18d8314e9fb28ea13f7774 diff --git a/sys-libs/glibc/glibc-2.34-r10.ebuild b/sys-libs/glibc/glibc-2.34-r10.ebuild index e607faf13339..3c6ded33ef89 100644 --- a/sys-libs/glibc/glibc-2.34-r10.ebuild +++ b/sys-libs/glibc/glibc-2.34-r10.ebuild @@ -29,7 +29,7 @@ PATCH_DEV=dilfridge if [[ ${PV} == 9999* ]]; then inherit git-r3 else - KEYWORDS="~alpha amd64 arm arm64 ~hppa ~ia64 ~m68k ~mips ppc ppc64 ~riscv ~s390 sparc x86" + KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ~m68k ~mips ppc ppc64 ~riscv ~s390 sparc x86" SRC_URI="mirror://gnu/glibc/${P}.tar.xz" SRC_URI+=" https://dev.gentoo.org/~${PATCH_DEV}/distfiles/${P}-patches-${PATCH_VER}.tar.xz" fi diff --git a/sys-libs/glibc/glibc-2.34-r12.ebuild b/sys-libs/glibc/glibc-2.34-r12.ebuild new file mode 100644 index 000000000000..ea14a5159f6b --- /dev/null +++ b/sys-libs/glibc/glibc-2.34-r12.ebuild @@ -0,0 +1,1617 @@ +# Copyright 1999-2022 Gentoo Authors +# Distributed under the terms of the GNU General Public License v2 + +EAPI=7 + +# Bumping notes: https://wiki.gentoo.org/wiki/Project:Toolchain/sys-libs/glibc +# Please read & adapt the page as necessary if obsolete. + +# We avoid Python 3.10 here _for now_ (it does work!) to avoid circular dependencies +# on upgrades as people migrate to libxcrypt. +# https://wiki.gentoo.org/wiki/User:Sam/Portage_help/Circular_dependencies#Python_and_libcrypt +PYTHON_COMPAT=( python3_{8,9} ) +TMPFILES_OPTIONAL=1 + +inherit python-any-r1 prefix preserve-libs toolchain-funcs flag-o-matic gnuconfig \ + multilib systemd multiprocessing tmpfiles + +DESCRIPTION="GNU libc C library" +HOMEPAGE="https://www.gnu.org/software/libc/" +LICENSE="LGPL-2.1+ BSD HPND ISC inner-net rc PCRE" +SLOT="2.2" + +EMULTILIB_PKG="true" + +# Gentoo patchset (ignored for live ebuilds) +PATCH_VER=16 +PATCH_DEV=dilfridge + +if [[ ${PV} == 9999* ]]; then + inherit git-r3 +else + KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86" + SRC_URI="mirror://gnu/glibc/${P}.tar.xz" + SRC_URI+=" https://dev.gentoo.org/~${PATCH_DEV}/distfiles/${P}-patches-${PATCH_VER}.tar.xz" +fi + +RELEASE_VER=${PV} + +GCC_BOOTSTRAP_VER=20201208 + +LOCALE_GEN_VER=2.22 + +GLIBC_SYSTEMD_VER=20210729 + +SRC_URI+=" https://gitweb.gentoo.org/proj/locale-gen.git/snapshot/locale-gen-${LOCALE_GEN_VER}.tar.gz" +SRC_URI+=" multilib-bootstrap? ( https://dev.gentoo.org/~dilfridge/distfiles/gcc-multilib-bootstrap-${GCC_BOOTSTRAP_VER}.tar.xz )" +SRC_URI+=" systemd? ( https://gitweb.gentoo.org/proj/toolchain/glibc-systemd.git/snapshot/glibc-systemd-${GLIBC_SYSTEMD_VER}.tar.gz )" + +IUSE="audit caps cet +clone3 compile-locales +crypt custom-cflags doc gd headers-only +multiarch multilib multilib-bootstrap nscd profile selinux +ssp +static-libs static-pie suid systemd systemtap test vanilla" + +# Minimum kernel version that glibc requires +MIN_KERN_VER="3.2.0" +# Minimum pax-utils version needed (which contains any new syscall changes for +# its seccomp filter!). Please double check this! +MIN_PAX_UTILS_VER="1.3.3" + +# Here's how the cross-compile logic breaks down ... +# CTARGET - machine that will target the binaries +# CHOST - machine that will host the binaries +# CBUILD - machine that will build the binaries +# If CTARGET != CHOST, it means you want a libc for cross-compiling. +# If CHOST != CBUILD, it means you want to cross-compile the libc. +# CBUILD = CHOST = CTARGET - native build/install +# CBUILD != (CHOST = CTARGET) - cross-compile a native build +# (CBUILD = CHOST) != CTARGET - libc for cross-compiler +# CBUILD != CHOST != CTARGET - cross-compile a libc for a cross-compiler +# For install paths: +# CHOST = CTARGET - install into / +# CHOST != CTARGET - install into /usr/CTARGET/ +# +export CBUILD=${CBUILD:-${CHOST}} +export CTARGET=${CTARGET:-${CHOST}} +if [[ ${CTARGET} == ${CHOST} ]] ; then + if [[ ${CATEGORY} == cross-* ]] ; then + export CTARGET=${CATEGORY#cross-} + fi +fi + +# Note [Disable automatic stripping] +# Disabling automatic stripping for a few reasons: +# - portage's attempt to strip breaks non-native binaries at least on +# arm: bug #697428 +# - portage's attempt to strip libpthread.so.0 breaks gdb thread +# enumeration: bug #697910. This is quite subtle: +# * gdb uses glibc's libthread_db-1.0.so to enumerate threads. +# * libthread_db-1.0.so needs access to libpthread.so.0 local symbols +# via 'ps_pglobal_lookup' symbol defined in gdb. +# * 'ps_pglobal_lookup' uses '.symtab' section table to resolve all +# known symbols in 'libpthread.so.0'. Specifically 'nptl_version' +# (unexported) is used to sanity check compatibility before enabling +# debugging. +# Also see https://sourceware.org/gdb/wiki/FAQ#GDB_does_not_see_any_threads_besides_the_one_in_which_crash_occurred.3B_or_SIGTRAP_kills_my_program_when_I_set_a_breakpoint +# * normal 'strip' command trims '.symtab' +# Thus our main goal here is to prevent 'libpthread.so.0' from +# losing it's '.symtab' entries. +# As Gentoo's strip does not allow us to pass less aggressive stripping +# options and does not check the machine target we strip selectively. + +# We need a new-enough binutils/gcc to match upstream baseline. +# Also we need to make sure our binutils/gcc supports TLS, +# and that gcc already contains the hardened patches. +# Lastly, let's avoid some openssh nastiness, bug 708224, as +# convenience to our users. + +# gzip, grep, awk are needed by locale-gen, bug 740750 + +BDEPEND=" + ${PYTHON_DEPS} + >=app-misc/pax-utils-${MIN_PAX_UTILS_VER} + sys-devel/bison + doc? ( sys-apps/texinfo ) + !compile-locales? ( + app-arch/gzip + sys-apps/grep + virtual/awk + ) +" +COMMON_DEPEND=" + gd? ( media-libs/gd:2= ) + nscd? ( selinux? ( + audit? ( sys-process/audit ) + caps? ( sys-libs/libcap ) + ) ) + suid? ( caps? ( sys-libs/libcap ) ) + selinux? ( sys-libs/libselinux ) + systemtap? ( dev-util/systemtap ) +" +DEPEND="${COMMON_DEPEND} + compile-locales? ( + app-arch/gzip + sys-apps/grep + virtual/awk + ) + test? ( >=net-dns/libidn2-2.3.0 ) +" +RDEPEND="${COMMON_DEPEND} + app-arch/gzip + sys-apps/grep + virtual/awk + sys-apps/gentoo-functions + !' | $(tc-getCPP ${CTARGET}) ${CFLAGS} 2>&1 | grep -o '[^"]*linux/version.h') + ALT_BUILD_HEADERS=${header_path%/linux/version.h} + fi + fi + fi + echo "${ALT_BUILD_HEADERS}" +} + +alt_libdir() { + echo $(alt_prefix)/$(get_libdir) +} +alt_usrlibdir() { + echo $(alt_prefix)/usr/$(get_libdir) +} + +builddir() { + echo "${WORKDIR}/build-${ABI}-${CTARGET}-$1" +} + +do_compile_test() { + local ret save_cflags=${CFLAGS} + CFLAGS+=" $1" + shift + + pushd "${T}" >/dev/null + + rm -f glibc-test* + printf '%b' "$*" > glibc-test.c + + # Most of the time CC is already set, but not in early sanity checks. + nonfatal emake glibc-test CC="${CC-$(tc-getCC ${CTARGET})}" + ret=$? + + popd >/dev/null + + CFLAGS=${save_cflags} + return ${ret} +} + +do_run_test() { + local ret + + if [[ ${MERGE_TYPE} == "binary" ]] ; then + # ignore build failures when installing a binary package #324685 + do_compile_test "" "$@" 2>/dev/null || return 0 + else + if ! do_compile_test "" "$@" ; then + ewarn "Simple build failed ... assuming this is desired #324685" + return 0 + fi + fi + + pushd "${T}" >/dev/null + + ./glibc-test + ret=$? + rm -f glibc-test* + + popd >/dev/null + + return ${ret} +} + +setup_target_flags() { + # This largely mucks with compiler flags. None of which should matter + # when building up just the headers. + just_headers && return 0 + + case $(tc-arch) in + x86) + # -march needed for #185404 #199334 + # TODO: When creating the first glibc cross-compile, this test will + # always fail as it does a full link which in turn requires glibc. + # Probably also applies when changing multilib profile settings (e.g. + # enabling x86 when the profile was amd64-only previously). + # We could change main to _start and pass -nostdlib here so that we + # only test the gcc code compilation. Or we could do a compile and + # then look for the symbol via scanelf. + if ! do_compile_test "" 'void f(int i, void *p) {if (__sync_fetch_and_add(&i, 1)) f(i, p);}\nint main(){return 0;}\n'; then + local t=${CTARGET_OPT:-${CTARGET}} + t=${t%%-*} + filter-flags '-march=*' + export CFLAGS="-march=${t} ${CFLAGS}" + einfo "Auto adding -march=${t} to CFLAGS #185404" + fi + ;; + amd64) + # -march needed for #185404 #199334 + # TODO: See cross-compile issues listed above for x86. + [[ ${ABI} == x86 ]] && + if ! do_compile_test "${CFLAGS_x86}" 'void f(int i, void *p) {if (__sync_fetch_and_add(&i, 1)) f(i, p);}\nint main(){return 0;}\n'; then + local t=${CTARGET_OPT:-${CTARGET}} + t=${t%%-*} + # Normally the target is x86_64-xxx, so turn that into the -march that + # gcc actually accepts. #528708 + [[ ${t} == "x86_64" ]] && t="x86-64" + filter-flags '-march=*' + # ugly, ugly, ugly. ugly. + CFLAGS_x86=$(CFLAGS=${CFLAGS_x86} filter-flags '-march=*'; echo "${CFLAGS}") + export CFLAGS_x86="${CFLAGS_x86} -march=${t}" + einfo "Auto adding -march=${t} to CFLAGS_x86 #185404 (ABI=${ABI})" + fi + + # Workaround for https://bugs.gentoo.org/823780. This really should + # be removed when the upstream bug https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103275 + # is fixed in our tree, either via 11.3 or an 11.2p2 patch set. + if [[ ${ABI} == x86 ]] && tc-is-gcc && (($(gcc-major-version) == 11)) && (($(gcc-minor-version) <= 2)) && (($(gcc-micro-version) == 0)); then + export CFLAGS_x86="${CFLAGS_x86} -mno-avx512f" + einfo "Auto adding -mno-avx512f to CFLAGS_x86 (bug #823780) (ABI=${ABI})" + fi + ;; + mips) + # The mips abi cannot support the GNU style hashes. #233233 + filter-ldflags -Wl,--hash-style=gnu -Wl,--hash-style=both + ;; + ppc|ppc64) + # Many arch-specific implementations do not work on ppc with + # cache-block not equal to 128 bytes. This breaks memset: + # https://sourceware.org/PR26522 + # https://bugs.gentoo.org/737996 + # Use default -mcpu=. For ppc it means non-multiarch setup. + filter-flags '-mcpu=*' + ;; + sparc) + # Both sparc and sparc64 can use -fcall-used-g6. -g7 is bad, though. + filter-flags "-fcall-used-g7" + append-flags "-fcall-used-g6" + + local cpu + case ${CTARGET} in + sparc64-*) + cpu="sparc64" + case $(get-flag mcpu) in + v9) + # We need to force at least v9a because the base build doesn't + # work with just v9. + # https://sourceware.org/bugzilla/show_bug.cgi?id=19477 + append-flags "-Wa,-xarch=v9a" + ;; + esac + ;; + sparc-*) + case $(get-flag mcpu) in + v8|supersparc|hypersparc|leon|leon3) + cpu="sparcv8" + ;; + *) + cpu="sparcv9" + ;; + esac + ;; + esac + [[ -n ${cpu} ]] && CTARGET_OPT="${cpu}-${CTARGET#*-}" + ;; + esac +} + +setup_flags() { + # Make sure host make.conf doesn't pollute us + if is_crosscompile || tc-is-cross-compiler ; then + CHOST=${CTARGET} strip-unsupported-flags + fi + + # Store our CFLAGS because it's changed depending on which CTARGET + # we are building when pulling glibc on a multilib profile + CFLAGS_BASE=${CFLAGS_BASE-${CFLAGS}} + CFLAGS=${CFLAGS_BASE} + CXXFLAGS_BASE=${CXXFLAGS_BASE-${CXXFLAGS}} + CXXFLAGS=${CXXFLAGS_BASE} + ASFLAGS_BASE=${ASFLAGS_BASE-${ASFLAGS}} + ASFLAGS=${ASFLAGS_BASE} + + # Allow users to explicitly avoid flag sanitization via + # USE=custom-cflags. + if ! use custom-cflags; then + # Over-zealous CFLAGS can often cause problems. What may work for one + # person may not work for another. To avoid a large influx of bugs + # relating to failed builds, we strip most CFLAGS out to ensure as few + # problems as possible. + strip-flags + # Lock glibc at -O2; we want to be conservative here. + filter-flags '-O?' + append-flags -O2 + fi + + strip-unsupported-flags + filter-flags -m32 -m64 '-mabi=*' + + # glibc aborts if rpath is set by LDFLAGS + filter-ldflags '-Wl,-rpath=*' + + # ld can't use -r & --relax at the same time, bug #788901 + # https://sourceware.org/PR27837 + filter-ldflags '-Wl,--relax' + + # #492892 + filter-flags -frecord-gcc-switches + + # #829583 + filter-lfs-flags + + unset CBUILD_OPT CTARGET_OPT + if use multilib ; then + CTARGET_OPT=$(get_abi_CTARGET) + [[ -z ${CTARGET_OPT} ]] && CTARGET_OPT=$(get_abi_CHOST) + fi + + setup_target_flags + + if [[ -n ${CTARGET_OPT} && ${CBUILD} == ${CHOST} ]] && ! is_crosscompile; then + CBUILD_OPT=${CTARGET_OPT} + fi + + # glibc's headers disallow -O0 and fail at build time: + # include/libc-symbols.h:75:3: #error "glibc cannot be compiled without optimization" + replace-flags -O0 -O1 + + filter-flags '-fstack-protector*' + + # See end of bug #830454; we handle this via USE=cet + filter-flags '-fcf-protection=' +} + +use_multiarch() { + # Allow user to disable runtime arch detection in multilib. + use multiarch || return 1 + # Make sure binutils is new enough to support indirect functions, + # #336792. This funky sed supports gold and bfd linkers. + local bver nver + bver=$($(tc-getLD ${CTARGET}) -v | sed -n -r '1{s:[^0-9]*::;s:^([0-9.]*).*:\1:;p}') + case $(tc-arch ${CTARGET}) in + amd64|x86) nver="2.20" ;; + arm) nver="2.22" ;; + hppa) nver="2.23" ;; + ppc|ppc64) nver="2.20" ;; + # ifunc support was added in 2.23, but glibc also needs + # machinemode which is in 2.24. + s390) nver="2.24" ;; + sparc) nver="2.21" ;; + *) return 1 ;; + esac + ver_test ${bver} -ge ${nver} +} + +# Setup toolchain variables that had historically been defined in the +# profiles for these archs. +setup_env() { + # silly users + unset LD_RUN_PATH + unset LD_ASSUME_KERNEL + + if is_crosscompile || tc-is-cross-compiler ; then + multilib_env ${CTARGET_OPT:-${CTARGET}} + + if ! use multilib ; then + MULTILIB_ABIS=${DEFAULT_ABI} + else + MULTILIB_ABIS=${MULTILIB_ABIS:-${DEFAULT_ABI}} + fi + + # If the user has CFLAGS_ in their make.conf, use that, + # and fall back on CFLAGS. + local VAR=CFLAGS_${CTARGET//[-.]/_} + CFLAGS=${!VAR-${CFLAGS}} + einfo " $(printf '%15s' 'Manual CFLAGS:') ${CFLAGS}" + fi + + setup_flags + + export ABI=${ABI:-${DEFAULT_ABI:-default}} + + if just_headers ; then + # Avoid mixing host's CC and target's CFLAGS_${ABI}: + # At this bootstrap stage we have only binutils for + # target but not compiler yet. + einfo "Skip CC ABI injection. We can't use (cross-)compiler yet." + return 0 + fi + + # Glibc does not work with gold (for various reasons) #269274. + tc-ld-disable-gold + + if use doc ; then + export MAKEINFO=makeinfo + else + export MAKEINFO=/dev/null + fi + + # Reset CC and CXX to the value at start of emerge + export CC=${__ORIG_CC:-${CC:-$(tc-getCC ${CTARGET})}} + export CXX=${__ORIG_CXX:-${CXX:-$(tc-getCXX ${CTARGET})}} + + # and make sure __ORIC_CC and __ORIG_CXX is defined now. + export __ORIG_CC=${CC} + export __ORIG_CXX=${CXX} + + if tc-is-clang && ! use custom-cflags && ! is_crosscompile ; then + + # If we are running in an otherwise clang/llvm environment, we need to + # recover the proper gcc and binutils settings here, at least until glibc + # is finally building with clang. So let's override everything that is + # set in the clang profiles. + # Want to shoot yourself into the foot? Set USE=custom-cflags, that's always + # a good start into that direction. + # Also, if you're crosscompiling, let's assume you know what you are doing. + # Hopefully. + # Last, we need the settings of the *build* environment, not of the + # target environment... + + local current_binutils_path=$(env ROOT="${BROOT}" binutils-config -B) + local current_gcc_path=$(env ROOT="${BROOT}" gcc-config -B) + einfo "Overriding clang configuration, since it won't work here" + + export CC="${current_gcc_path}/gcc" + export CXX="${current_gcc_path}/g++" + export LD="${current_binutils_path}/ld.bfd" + export AR="${current_binutils_path}/ar" + export AS="${current_binutils_path}/as" + export NM="${current_binutils_path}/nm" + export STRIP="${current_binutils_path}/strip" + export RANLIB="${current_binutils_path}/ranlib" + export OBJCOPY="${current_binutils_path}/objcopy" + export STRINGS="${current_binutils_path}/strings" + export OBJDUMP="${current_binutils_path}/objdump" + export READELF="${current_binutils_path}/readelf" + export ADDR2LINE="${current_binutils_path}/addr2line" + + # do we need to also do flags munging here? yes! at least... + filter-flags '-fuse-ld=*' + filter-flags '-D_FORTIFY_SOURCE=*' + + else + + # this is the "normal" case + + export CC="$(tc-getCC ${CTARGET})" + export CXX="$(tc-getCXX ${CTARGET})" + + # Always use tuple-prefixed toolchain. For non-native ABI glibc's configure + # can't detect them automatically due to ${CHOST} mismatch and fallbacks + # to unprefixed tools. Similar to multilib.eclass:multilib_toolchain_setup(). + export NM="$(tc-getNM ${CTARGET})" + export READELF="$(tc-getREADELF ${CTARGET})" + + fi + + # We need to export CFLAGS with abi information in them because glibc's + # configure script checks CFLAGS for some targets (like mips). Keep + # around the original clean value to avoid appending multiple ABIs on + # top of each other. (Why does the comment talk about CFLAGS if the code + # acts on CC?) + export __GLIBC_CC=${CC} + export __GLIBC_CXX=${CXX} + + export __abi_CFLAGS="$(get_abi_CFLAGS)" + + # CFLAGS can contain ABI-specific flags like -mfpu=neon, see bug #657760 + # To build .S (assembly) files with the same ABI-specific flags + # upstream currently recommends adding CFLAGS to CC/CXX: + # https://sourceware.org/PR23273 + # Note: Passing CFLAGS via CPPFLAGS overrides glibc's arch-specific CFLAGS + # and breaks multiarch support. See 659030#c3 for an example. + # The glibc configure script doesn't properly use LDFLAGS all the time. + export CC="${__GLIBC_CC} ${__abi_CFLAGS} ${CFLAGS} ${LDFLAGS}" + + # Some of the tests are written in C++, so we need to force our multlib abis in, bug 623548 + export CXX="${__GLIBC_CXX} ${__abi_CFLAGS} ${CFLAGS}" + + if is_crosscompile; then + # Assume worst-case bootstrap: glibc is buil first time + # when ${CTARGET}-g++ is not available yet. We avoid + # building auxiliary programs that require C++: bug #683074 + # It should not affect final result. + export libc_cv_cxx_link_ok=no + # The line above has the same effect. We set CXX explicitly + # to make build logs less confusing. + export CXX= + fi +} + +foreach_abi() { + setup_env + + local ret=0 + local abilist="" + if use multilib ; then + abilist=$(get_install_abis) + else + abilist=${DEFAULT_ABI} + fi + local -x ABI + for ABI in ${abilist:-default} ; do + setup_env + einfo "Running $1 for ABI ${ABI}" + $1 + : $(( ret |= $? )) + done + return ${ret} +} + +glibc_banner() { + local b="Gentoo ${PVR}" + [[ -n ${PATCH_VER} ]] && ! use vanilla && b+=" p${PATCH_VER}" + echo "${b}" +} + +# The following Kernel version handling functions are mostly copied from portage +# source. It's better not to use linux-info.eclass here since a) it adds too +# much magic, see bug 326693 for some of the arguments, and b) some of the +# functions are just not provided. + +g_get_running_KV() { + uname -r + return $? +} + +g_KV_major() { + [[ -z $1 ]] && return 1 + local KV=$@ + echo "${KV%%.*}" +} + +g_KV_minor() { + [[ -z $1 ]] && return 1 + local KV=$@ + KV=${KV#*.} + echo "${KV%%.*}" +} + +g_KV_micro() { + [[ -z $1 ]] && return 1 + local KV=$@ + KV=${KV#*.*.} + echo "${KV%%[^[:digit:]]*}" +} + +g_KV_to_int() { + [[ -z $1 ]] && return 1 + local KV_MAJOR=$(g_KV_major "$1") + local KV_MINOR=$(g_KV_minor "$1") + local KV_MICRO=$(g_KV_micro "$1") + local KV_int=$(( KV_MAJOR * 65536 + KV_MINOR * 256 + KV_MICRO )) + + # We make version 2.2.0 the minimum version we will handle as + # a sanity check ... if its less, we fail ... + if [[ ${KV_int} -ge 131584 ]] ; then + echo "${KV_int}" + return 0 + fi + return 1 +} + +g_int_to_KV() { + local version=$1 major minor micro + major=$((version / 65536)) + minor=$(((version % 65536) / 256)) + micro=$((version % 256)) + echo ${major}.${minor}.${micro} +} + +eend_KV() { + [[ $(g_KV_to_int $1) -ge $(g_KV_to_int $2) ]] + eend $? +} + +get_kheader_version() { + printf '#include \nLINUX_VERSION_CODE\n' | \ + $(tc-getCPP ${CTARGET}) -I "$(build_eprefix)$(alt_build_headers)" - | \ + tail -n 1 +} + +# We collect all sanity checks here. Consistency is not guranteed between +# pkg_ and src_ phases, so we call this function both in pkg_pretend and in +# src_unpack. +sanity_prechecks() { + # Prevent native builds from downgrading + if [[ ${MERGE_TYPE} != "buildonly" ]] && \ + [[ -z ${ROOT} ]] && \ + [[ ${CBUILD} == ${CHOST} ]] && \ + [[ ${CHOST} == ${CTARGET} ]] ; then + + # The high rev # is to allow people to downgrade between -r# + # versions. We want to block 2.20->2.19, but 2.20-r3->2.20-r2 + # should be fine. Hopefully we never actually use a r# this + # high. + if has_version ">${CATEGORY}/${P}-r10000" ; then + eerror "Sanity check to keep you from breaking your system:" + eerror " Downgrading glibc is not supported and a sure way to destruction." + [[ ${I_ALLOW_TO_BREAK_MY_SYSTEM} = yes ]] || die "Aborting to save your system." + fi + + if ! do_run_test '#include \n#include \nint main(){return syscall(1000)!=-1;}\n' ; then + eerror "Your old kernel is broken. You need to update it to a newer" + eerror "version as syscall() will break. See bug 279260." + die "Old and broken kernel." + fi + fi + + # Users have had a chance to phase themselves, time to give em the boot + if [[ -e ${EROOT}/etc/locale.gen ]] && [[ -e ${EROOT}/etc/locales.build ]] ; then + eerror "You still haven't deleted ${EROOT}/etc/locales.build." + eerror "Do so now after making sure ${EROOT}/etc/locale.gen is kosher." + die "Lazy upgrader detected" + fi + + if [[ ${CTARGET} == i386-* ]] ; then + eerror "i386 CHOSTs are no longer supported." + eerror "Chances are you don't actually want/need i386." + eerror "Please read https://www.gentoo.org/doc/en/change-chost.xml" + die "Please fix your CHOST" + fi + + if [[ -e /proc/xen ]] && [[ $(tc-arch) == "x86" ]] && ! is-flag -mno-tls-direct-seg-refs ; then + ewarn "You are using Xen but don't have -mno-tls-direct-seg-refs in your CFLAGS." + ewarn "This will result in a 50% performance penalty when running with a 32bit" + ewarn "hypervisor, which is probably not what you want." + fi + + # ABI-specific checks follow here. Hey, we have a lot more specific conditions that + # we test for... + if ! is_crosscompile ; then + if use amd64 && use multilib && [[ ${MERGE_TYPE} != "binary" ]] ; then + ebegin "Checking that IA32 emulation is enabled in the running kernel" + echo 'int main(){return 0;}' > "${T}/check-ia32-emulation.c" + local STAT + if "${CC-${CHOST}-gcc}" ${CFLAGS_x86} "${T}/check-ia32-emulation.c" -o "${T}/check-ia32-emulation.elf32"; then + "${T}/check-ia32-emulation.elf32" + STAT=$? + else + # Don't fail here to allow single->multi ABI switch + # or recover from breakage like bug #646424 + ewarn "Failed to compile the ABI test. Broken host glibc?" + STAT=0 + fi + rm -f "${T}/check-ia32-emulation.elf32" + eend $STAT + [[ $STAT -eq 0 ]] || die "CONFIG_IA32_EMULATION must be enabled in the kernel to compile a multilib glibc." + fi + + fi + + # When we actually have to compile something... + if ! just_headers && [[ ${MERGE_TYPE} != "binary" ]] ; then + if [[ -d "${ESYSROOT}"/usr/lib/include ]] ; then + # bug #833620, bug #643302 + eerror "Found ${ESYSROOT}/usr/lib/include directory!" + eerror "This is known to break glibc's build." + eerror "Please backup its contents then remove the directory." + die "Found directory (${ESYSROOT}/usr/lib/include) which will break build (bug #833620)!" + fi + + if [[ ${CTARGET} == *-linux* ]] ; then + local run_kv build_kv want_kv + + run_kv=$(g_get_running_KV) + build_kv=$(g_int_to_KV $(get_kheader_version)) + want_kv=${MIN_KERN_VER} + + if ! is_crosscompile && ! tc-is-cross-compiler ; then + # Building fails on an non-supporting kernel + ebegin "Checking running kernel version (${run_kv} >= ${want_kv})" + if ! eend_KV ${run_kv} ${want_kv} ; then + echo + eerror "You need a kernel of at least ${want_kv}!" + die "Kernel version too low!" + fi + fi + + ebegin "Checking linux-headers version (${build_kv} >= ${want_kv})" + if ! eend_KV ${build_kv} ${want_kv} ; then + echo + eerror "You need linux-headers of at least ${want_kv}!" + die "linux-headers version too low!" + fi + fi + fi +} + +upgrade_warning() { + if [[ ${MERGE_TYPE} != buildonly && -n ${REPLACING_VERSIONS} && -z ${ROOT} ]]; then + local oldv newv=$(ver_cut 1-2 ${PV}) + for oldv in ${REPLACING_VERSIONS}; do + if ver_test ${oldv} -lt ${newv}; then + ewarn "After upgrading glibc, please restart all running processes." + ewarn "Be sure to include init (telinit u) or systemd (systemctl daemon-reexec)." + ewarn "Alternatively, reboot your system." + ewarn "(See bug #660556, bug #741116, bug #823756, etc)" + break + fi + done + fi +} + +# +# the phases +# + +# pkg_pretend + +pkg_pretend() { + # All the checks... + einfo "Checking general environment sanity." + sanity_prechecks + upgrade_warning +} + +pkg_setup() { + # see bug 682570 + [[ -z ${BOOTSTRAP_RAP} ]] && python-any-r1_pkg_setup +} + +# src_unpack + +src_unpack() { + # Consistency is not guaranteed between pkg_ and src_ ... + sanity_prechecks + + use multilib-bootstrap && unpack gcc-multilib-bootstrap-${GCC_BOOTSTRAP_VER}.tar.xz + + setup_env + + if [[ ${PV} == 9999* ]] ; then + EGIT_REPO_URI="https://anongit.gentoo.org/git/proj/toolchain/glibc-patches.git" + EGIT_CHECKOUT_DIR=${WORKDIR}/patches-git + git-r3_src_unpack + mv patches-git/9999 patches || die + + EGIT_REPO_URI="https://sourceware.org/git/glibc.git" + EGIT_CHECKOUT_DIR=${S} + git-r3_src_unpack + else + unpack ${P}.tar.xz + + cd "${WORKDIR}" || die + unpack glibc-${RELEASE_VER}-patches-${PATCH_VER}.tar.xz + fi + + cd "${WORKDIR}" || die + unpack locale-gen-${LOCALE_GEN_VER}.tar.gz + use systemd && unpack glibc-systemd-${GLIBC_SYSTEMD_VER}.tar.gz +} + +src_prepare() { + local patchsetname + if ! use vanilla ; then + if [[ ${PV} == 9999* ]] ; then + patchsetname="from git master" + else + patchsetname="${RELEASE_VER}-${PATCH_VER}" + fi + einfo "Applying Gentoo Glibc Patchset ${patchsetname}" + eapply "${WORKDIR}"/patches + einfo "Done." + fi + + if use clone3 ; then + append-cppflags -DGENTOO_USE_CLONE3 + else + # See e.g. bug #827386, bug #819045. + elog "Disabling the clone3 syscall for compatibility with older Electron apps." + elog "Please re-enable this flag before filing bugs!" + fi + + default + + gnuconfig_update + + cd "${WORKDIR}" + find . -name configure -exec touch {} + + + # move the external locale-gen to its old place + mkdir extra || die + mv locale-gen-${LOCALE_GEN_VER} extra/locale || die + + eprefixify extra/locale/locale-gen + + # Fix permissions on some of the scripts. + chmod u+x "${S}"/scripts/*.sh + + cd "${S}" +} + +glibc_do_configure() { + + local v + for v in ABI CBUILD CHOST CTARGET CBUILD_OPT CTARGET_OPT CC CXX LD {AS,C,CPP,CXX,LD}FLAGS MAKEINFO NM AR AS STRIP RANLIB OBJCOPY STRINGS OBJDUMP READELF; do + einfo " $(printf '%15s' ${v}:) ${!v}" + done + + echo + local myconf=() + + case ${CTARGET} in + m68k*) + # setjmp() is not compatible with stack protection: + # https://sourceware.org/PR24202 + myconf+=( --enable-stack-protector=no ) + ;; + *) + # Use '=strong' instead of '=all' to protect only functions + # worth protecting from stack smashes. + # '=all' is also known to have a problem in IFUNC resolution + # tests: https://sourceware.org/PR25680, bug #712356. + myconf+=( --enable-stack-protector=$(usex ssp strong no) ) + ;; + esac + myconf+=( --enable-stackguard-randomization ) + + # Keep a whitelist of targets supporing IFUNC. glibc's ./configure + # is not robust enough to detect proper support: + # https://bugs.gentoo.org/641216 + # https://sourceware.org/PR22634#c0 + case $(tc-arch ${CTARGET}) in + # Keep whitelist of targets where autodetection mostly works. + amd64|x86|sparc|ppc|ppc64|arm|arm64|s390) ;; + # Blacklist everywhere else + *) myconf+=( libc_cv_ld_gnu_indirect_function=no ) ;; + esac + + # Enable Intel Control-flow Enforcement Technology on amd64 if requested + case ${CTARGET} in + x86_64-*) myconf+=( $(use_enable cet) ) ;; + *) ;; + esac + + [[ $(tc-is-softfloat) == "yes" ]] && myconf+=( --without-fp ) + + myconf+=( --enable-kernel=${MIN_KERN_VER} ) + + # Since SELinux support is only required for nscd, only enable it if: + # 1. USE selinux + # 2. only for the primary ABI on multilib systems + # 3. Not a crosscompile + if ! is_crosscompile && use selinux ; then + if use multilib ; then + if is_final_abi ; then + myconf+=( --with-selinux ) + else + myconf+=( --without-selinux ) + fi + else + myconf+=( --with-selinux ) + fi + else + myconf+=( --without-selinux ) + fi + + # Force a few tests where we always know the answer but + # configure is incapable of finding it. + if is_crosscompile ; then + export \ + libc_cv_c_cleanup=yes \ + libc_cv_forced_unwind=yes + fi + + myconf+=( + --without-cvs + --disable-werror + --enable-bind-now + --build=${CBUILD_OPT:-${CBUILD}} + --host=${CTARGET_OPT:-${CTARGET}} + $(use_enable profile) + $(use_with gd) + --with-headers=$(build_eprefix)$(alt_build_headers) + --prefix="$(host_eprefix)/usr" + --sysconfdir="$(host_eprefix)/etc" + --localstatedir="$(host_eprefix)/var" + --libdir='$(prefix)'/$(get_libdir) + --mandir='$(prefix)'/share/man + --infodir='$(prefix)'/share/info + --libexecdir='$(libdir)'/misc/glibc + --with-bugurl=https://bugs.gentoo.org/ + --with-pkgversion="$(glibc_banner)" + $(use_enable crypt) + $(use_multiarch || echo --disable-multi-arch) + $(use_enable static-pie) + $(use_enable systemtap) + $(use_enable nscd) + + # locale data is arch-independent + # https://bugs.gentoo.org/753740 + libc_cv_complocaledir='${exec_prefix}/lib/locale' + + # -march= option tricks build system to infer too + # high ISA level: https://sourceware.org/PR27318 + libc_cv_include_x86_isa_level=no + # Explicit override of https://sourceware.org/PR27991 + # exposes a bug in glibc's configure: + # https://sourceware.org/PR27991 + libc_cv_have_x86_lahf_sahf=no + libc_cv_have_x86_movbe=no + + ${EXTRA_ECONF} + ) + + # We rely on sys-libs/timezone-data for timezone tools normally. + myconf+=( $(use_enable vanilla timezone-tools) ) + + # These libs don't have configure flags. + ac_cv_lib_audit_audit_log_user_avc_message=$(usex audit || echo no) + ac_cv_lib_cap_cap_init=$(usex caps || echo no) + + # There is no configure option for this and we need to export it + # since the glibc build will re-run configure on itself + export libc_cv_rootsbindir="$(host_eprefix)/sbin" + export libc_cv_slibdir="$(host_eprefix)/$(get_libdir)" + + local builddir=$(builddir nptl) + mkdir -p "${builddir}" + cd "${builddir}" + set -- "${S}"/configure "${myconf[@]}" + echo "$@" + "$@" || die "failed to configure glibc" + + # ia64 static cross-compilers are a pita in so much that they + # can't produce static ELFs (as the libgcc.a is broken). so + # disable building of the programs for those targets if it + # doesn't work. + # XXX: We could turn this into a compiler test, but ia64 is + # the only one that matters, so this should be fine for now. + if is_crosscompile && [[ ${CTARGET} == ia64* ]] ; then + sed -i '1i+link-static = touch $@' config.make + fi + + # If we're trying to migrate between ABI sets, we need + # to lie and use a local copy of gcc. Like if the system + # is built with MULTILIB_ABIS="amd64 x86" but we want to + # add x32 to it, gcc/glibc don't yet support x32. + # + if [[ -n ${GCC_BOOTSTRAP_VER} ]] && use multilib-bootstrap ; then + echo 'main(){}' > "${T}"/test.c + if ! $(tc-getCC ${CTARGET}) ${CFLAGS} ${LDFLAGS} "${T}"/test.c -Wl,-emain -lgcc 2>/dev/null ; then + sed -i -e '/^CC = /s:$: -B$(objdir)/../'"gcc-multilib-bootstrap-${GCC_BOOTSTRAP_VER}/${ABI}:" config.make || die + fi + fi +} + +glibc_headers_configure() { + export ABI=default + + local builddir=$(builddir "headers") + mkdir -p "${builddir}" + cd "${builddir}" + + # if we don't have a compiler yet, we can't really test it now ... + # hopefully they don't affect header generation, so let's hope for + # the best here ... + local v vars=( + ac_cv_header_cpuid_h=yes + libc_cv_{386,390,alpha,arm,hppa,ia64,mips,{powerpc,sparc}{,32,64},sh,x86_64}_tls=yes + libc_cv_asm_cfi_directives=yes + libc_cv_broken_visibility_attribute=no + libc_cv_c_cleanup=yes + libc_cv_compiler_powerpc64le_binary128_ok=yes + libc_cv_forced_unwind=yes + libc_cv_gcc___thread=yes + libc_cv_mlong_double_128=yes + libc_cv_mlong_double_128ibm=yes + libc_cv_ppc_machine=yes + libc_cv_ppc_rel16=yes + libc_cv_predef_fortify_source=no + libc_cv_target_power8_ok=yes + libc_cv_visibility_attribute=yes + libc_cv_z_combreloc=yes + libc_cv_z_execstack=yes + libc_cv_z_initfirst=yes + libc_cv_z_nodelete=yes + libc_cv_z_nodlopen=yes + libc_cv_z_relro=yes + libc_mips_abi=${ABI} + libc_mips_float=$([[ $(tc-is-softfloat) == "yes" ]] && echo soft || echo hard) + # These libs don't have configure flags. + ac_cv_lib_audit_audit_log_user_avc_message=no + ac_cv_lib_cap_cap_init=no + ) + + einfo "Forcing cached settings:" + for v in "${vars[@]}" ; do + einfo " ${v}" + export ${v} + done + + local headers_only_arch_CPPFLAGS=() + + # Blow away some random CC settings that screw things up. #550192 + if [[ -d ${S}/sysdeps/mips ]]; then + pushd "${S}"/sysdeps/mips >/dev/null + sed -i -e '/^CC +=/s:=.*:= -D_MIPS_SZPTR=32:' mips32/Makefile mips64/n32/Makefile || die + sed -i -e '/^CC +=/s:=.*:= -D_MIPS_SZPTR=64:' mips64/n64/Makefile || die + + # Force the mips ABI to the default. This is OK because the set of + # installed headers in this phase is the same between the 3 ABIs. + # If this ever changes, this hack will break, but that's unlikely + # as glibc discourages that behavior. + # https://crbug.com/647033 + sed -i -e 's:abiflag=.*:abiflag=_ABIO32:' preconfigure || die + + popd >/dev/null + fi + + case ${CTARGET} in + riscv*) + # RISC-V interrogates the compiler to determine which target to + # build. If building the headers then we don't strictly need a + # RISC-V compiler, so the built-in definitions that are provided + # along with all RISC-V compiler might not exist. This causes + # glibc's RISC-V preconfigure script to blow up. Since we're just + # building the headers any value will actually work here, so just + # pick the standard one (rv64g/lp64d) to make the build scripts + # happy for now -- the headers are all the same anyway so it + # doesn't matter. + headers_only_arch_CPPFLAGS+=( + -D__riscv_xlen=64 + -D__riscv_flen=64 + -D__riscv_float_abi_double=1 + -D__riscv_atomic=1 + ) ;; + esac + + local myconf=() + myconf+=( + --disable-sanity-checks + --enable-hacker-mode + --without-cvs + --disable-werror + --enable-bind-now + --build=${CBUILD_OPT:-${CBUILD}} + --host=${CTARGET_OPT:-${CTARGET}} + --with-headers=$(build_eprefix)$(alt_build_headers) + --prefix="$(host_eprefix)/usr" + ${EXTRA_ECONF} + ) + + # Nothing is compiled here which would affect the headers for the target. + # So forcing CC/CFLAGS is sane. + local headers_only_CC=$(tc-getBUILD_CC) + local headers_only_CFLAGS="-O1 -pipe" + local headers_only_CPPFLAGS="-U_FORTIFY_SOURCE ${headers_only_arch_CPPFLAGS[*]}" + local headers_only_LDFLAGS="" + set -- "${S}"/configure "${myconf[@]}" + echo \ + "CC=${headers_only_CC}" \ + "CFLAGS=${headers_only_CFLAGS}" \ + "CPPFLAGS=${headers_only_CPPFLAGS}" \ + "LDFLAGS=${headers_only_LDFLAGS}" \ + "$@" + CC=${headers_only_CC} \ + CFLAGS=${headers_only_CFLAGS} \ + CPPFLAGS=${headers_only_CPPFLAGS} \ + LDFLAGS="" \ + "$@" || die "failed to configure glibc" +} + +do_src_configure() { + if just_headers ; then + glibc_headers_configure + else + glibc_do_configure nptl + fi +} + +src_configure() { + foreach_abi do_src_configure +} + +do_src_compile() { + emake -C "$(builddir nptl)" +} + +src_compile() { + if just_headers ; then + return + fi + + foreach_abi do_src_compile +} + +glibc_src_test() { + cd "$(builddir nptl)" + + local myxfailparams="" + if [[ "${GENTOO_GLIBC_XFAIL_TESTS}" == "yes" ]] ; then + for myt in ${XFAIL_TEST_LIST[@]} ; do + myxfailparams+="test-xfail-${myt}=yes " + done + fi + + # sandbox does not understand unshare() and prevents + # writes to /proc/, which makes many tests fail + + SANDBOX_ON=0 LD_PRELOAD= emake ${myxfailparams} check +} + +do_src_test() { + local ret=0 + + glibc_src_test + : $(( ret |= $? )) + + return ${ret} +} + +src_test() { + if just_headers ; then + return + fi + + # Give tests more time to complete. + export TIMEOUTFACTOR=5 + + foreach_abi do_src_test || die "tests failed" +} + +run_locale_gen() { + # if the host locales.gen contains no entries, we'll install everything + local root="$1" + local inplace="" + + if [[ "${root}" == "--inplace-glibc" ]] ; then + inplace="--inplace-glibc" + root="$2" + fi + + local locale_list="${root%/}/etc/locale.gen" + + pushd "${ED}"/$(get_libdir) >/dev/null + + if [[ -z $(locale-gen --list --config "${locale_list}") ]] ; then + [[ -z ${inplace} ]] && ewarn "Generating all locales; edit /etc/locale.gen to save time/space" + locale_list="${root%/}/usr/share/i18n/SUPPORTED" + fi + + set -- locale-gen ${inplace} --jobs $(makeopts_jobs) --config "${locale_list}" \ + --destdir "${root}" + echo "$@" + "$@" + + popd >/dev/null +} + +glibc_do_src_install() { + local builddir=$(builddir nptl) + cd "${builddir}" + + emake install_root="${D}/$(build_eprefix)$(alt_prefix)" install + + # This version (2.26) provides some compatibility libraries for the NIS/NIS+ support + # which come without headers etc. Only needed for binary packages since the + # external net-libs/libnsl has increased soversion. Keep only versioned libraries. + find "${D}" -name "libnsl.a" -delete + find "${D}" -name "libnsl.so" -delete + + # Normally upstream_pv is ${PV}. Live ebuilds are exception, there we need + # to infer upstream version: + # '#define VERSION "2.26.90"' -> '2.26.90' + local upstream_pv=$(sed -n -r 's/#define VERSION "(.*)"/\1/p' "${S}"/version.h) + + # Avoid stripping binaries not targeted by ${CHOST}. Or else + # ${CHOST}-strip would break binaries build for ${CTARGET}. + is_crosscompile && dostrip -x / + # gdb thread introspection relies on local libpthreas symbols. stripping breaks it + # See Note [Disable automatic stripping] + dostrip -x $(alt_libdir)/libpthread-${upstream_pv}.so + + if [[ -e ${ED}/$(alt_usrlibdir)/libm-${upstream_pv}.a ]] ; then + # Move versioned .a file out of libdir to evade portage QA checks + # instead of using gen_usr_ldscript(). We fix ldscript as: + # "GROUP ( /usr/lib64/libm-.a ..." -> "GROUP ( /usr/lib64/glibc-/libm-.a ..." + sed -i "s@\(libm-${upstream_pv}.a\)@${P}/\1@" "${ED}"/$(alt_usrlibdir)/libm.a || die + dodir $(alt_usrlibdir)/${P} + mv "${ED}"/$(alt_usrlibdir)/libm-${upstream_pv}.a "${ED}"/$(alt_usrlibdir)/${P}/libm-${upstream_pv}.a || die + fi + + # We'll take care of the cache ourselves + rm -f "${ED}"/etc/ld.so.cache + + # Everything past this point just needs to be done once ... + is_final_abi || return 0 + + # Make sure the non-native interp can be found on multilib systems even + # if the main library set isn't installed into the right place. Maybe + # we should query the active gcc for info instead of hardcoding it ? + local i ldso_abi ldso_name + local ldso_abi_list=( + # x86 + amd64 /lib64/ld-linux-x86-64.so.2 + x32 /libx32/ld-linux-x32.so.2 + x86 /lib/ld-linux.so.2 + # mips + o32 /lib/ld.so.1 + n32 /lib32/ld.so.1 + n64 /lib64/ld.so.1 + # powerpc + ppc /lib/ld.so.1 + # riscv + ilp32d /lib/ld-linux-riscv32-ilp32d.so.1 + ilp32 /lib/ld-linux-riscv32-ilp32.so.1 + lp64d /lib/ld-linux-riscv64-lp64d.so.1 + lp64 /lib/ld-linux-riscv64-lp64.so.1 + # s390 + s390 /lib/ld.so.1 + s390x /lib/ld64.so.1 + # sparc + sparc32 /lib/ld-linux.so.2 + sparc64 /lib64/ld-linux.so.2 + ) + case $(tc-endian) in + little) + ldso_abi_list+=( + # arm + arm64 /lib/ld-linux-aarch64.so.1 + # ELFv2 (glibc does not support ELFv1 on LE) + ppc64 /lib64/ld64.so.2 + ) + ;; + big) + ldso_abi_list+=( + # arm + arm64 /lib/ld-linux-aarch64_be.so.1 + # ELFv1 (glibc does not support ELFv2 on BE) + ppc64 /lib64/ld64.so.1 + ) + ;; + esac + if [[ ${SYMLINK_LIB} == "yes" ]] && [[ ! -e ${ED}/$(alt_prefix)/lib ]] ; then + dosym $(get_abi_LIBDIR ${DEFAULT_ABI}) $(alt_prefix)/lib + fi + for (( i = 0; i < ${#ldso_abi_list[@]}; i += 2 )) ; do + ldso_abi=${ldso_abi_list[i]} + has ${ldso_abi} $(get_install_abis) || continue + + ldso_name="$(alt_prefix)${ldso_abi_list[i+1]}" + if [[ ! -L ${ED}/${ldso_name} && ! -e ${ED}/${ldso_name} ]] ; then + dosym ../$(get_abi_LIBDIR ${ldso_abi})/${ldso_name##*/} ${ldso_name} + fi + done + + # In the LSB 5.0 definition, someone had the excellent idea to "standardize" + # the runtime loader name, see also https://xkcd.com/927/ + # Normally, in Gentoo one should never come across executables that require this. + # However, binary commercial packages are known to adhere to weird practices. + # https://refspecs.linuxfoundation.org/LSB_5.0.0/LSB-Core-AMD64/LSB-Core-AMD64.html#BASELIB + local lsb_ldso_name native_ldso_name lsb_ldso_abi + local lsb_ldso_abi_list=( + # x86 + amd64 ld-linux-x86-64.so.2 ld-lsb-x86-64.so.3 + ) + for (( i = 0; i < ${#lsb_ldso_abi_list[@]}; i += 3 )) ; do + lsb_ldso_abi=${lsb_ldso_abi_list[i]} + native_ldso_name=${lsb_ldso_abi_list[i+1]} + lsb_ldso_name=${lsb_ldso_abi_list[i+2]} + has ${lsb_ldso_abi} $(get_install_abis) || continue + + if [[ ! -L ${ED}/$(get_abi_LIBDIR ${lsb_ldso_abi})/${lsb_ldso_name} && ! -e ${ED}/$(get_abi_LIBDIR ${lsb_ldso_abi})/${lsb_ldso_name} ]] ; then + dosym ${native_ldso_name} "$(alt_prefix)/$(get_abi_LIBDIR ${lsb_ldso_abi})/${lsb_ldso_name}" + fi + done + + # With devpts under Linux mounted properly, we do not need the pt_chown + # binary to be setuid. This is because the default owners/perms will be + # exactly what we want. + if ! use suid ; then + find "${ED}" -name pt_chown -exec chmod -s {} + + fi + + ################################################################# + # EVERYTHING AFTER THIS POINT IS FOR NATIVE GLIBC INSTALLS ONLY # + # Make sure we install some symlink hacks so that when we build + # a 2nd stage cross-compiler, gcc finds the target system + # headers correctly. See gcc/doc/gccinstall.info + if is_crosscompile ; then + # We need to make sure that /lib and /usr/lib always exists. + # gcc likes to use relative paths to get to its multilibs like + # /usr/lib/../lib64/. So while we don't install any files into + # /usr/lib/, we do need it to exist. + keepdir $(alt_prefix)/lib + keepdir $(alt_prefix)/usr/lib + + dosym usr/include $(alt_prefix)/sys-include + return 0 + fi + + # Files for Debian-style locale updating + dodir /usr/share/i18n + sed \ + -e "/^#/d" \ + -e "/SUPPORTED-LOCALES=/d" \ + -e "s: \\\\::g" -e "s:/: :g" \ + "${S}"/localedata/SUPPORTED > "${ED}"/usr/share/i18n/SUPPORTED \ + || die "generating /usr/share/i18n/SUPPORTED failed" + cd "${WORKDIR}"/extra/locale + dosbin locale-gen + doman *.[0-8] + insinto /etc + doins locale.gen + + keepdir /usr/lib/locale + + cd "${S}" + + # Install misc network config files + insinto /etc + doins posix/gai.conf + + if use systemd ; then + doins "${WORKDIR}/glibc-systemd-${GLIBC_SYSTEMD_VER}/gentoo-config/nsswitch.conf" + else + doins nss/nsswitch.conf + fi + + # Gentoo-specific + newins "${FILESDIR}"/host.conf-1 host.conf + + if use nscd ; then + doins nscd/nscd.conf + + newinitd "$(prefixify_ro "${FILESDIR}"/nscd-1)" nscd + + local nscd_args=( + -e "s:@PIDFILE@:$(strings "${ED}"/usr/sbin/nscd | grep nscd.pid):" + ) + + sed -i "${nscd_args[@]}" "${ED}"/etc/init.d/nscd + + use systemd && systemd_dounit nscd/nscd.service + newtmpfiles nscd/nscd.tmpfiles nscd.conf + fi + + echo 'LDPATH="include ld.so.conf.d/*.conf"' > "${T}"/00glibc + doenvd "${T}"/00glibc + + for d in BUGS ChangeLog CONFORMANCE FAQ NEWS NOTES PROJECTS README* ; do + [[ -s ${d} ]] && dodoc ${d} + done + dodoc -r ChangeLog.old + + # Prevent overwriting of the /etc/localtime symlink. We'll handle the + # creation of the "factory" symlink in pkg_postinst(). + rm -f "${ED}"/etc/localtime + + # Generate all locales if this is a native build as locale generation + if use compile-locales && ! is_crosscompile ; then + run_locale_gen --inplace-glibc "${ED}/" + sed -e 's:COMPILED_LOCALES="":COMPILED_LOCALES="1":' -i "${ED}"/usr/sbin/locale-gen || die + fi +} + +glibc_headers_install() { + local builddir=$(builddir "headers") + cd "${builddir}" + emake install_root="${D}/$(build_eprefix)$(alt_prefix)" install-headers + + insinto $(alt_headers)/gnu + doins "${S}"/include/gnu/stubs.h + + # Make sure we install the sys-include symlink so that when + # we build a 2nd stage cross-compiler, gcc finds the target + # system headers correctly. See gcc/doc/gccinstall.info + dosym usr/include $(alt_prefix)/sys-include +} + +src_install() { + if just_headers ; then + export ABI=default + glibc_headers_install + return + fi + + foreach_abi glibc_do_src_install + + if ! use static-libs ; then + einfo "Not installing static glibc libraries" + find "${ED}" -name "*.a" -and -not -name "*_nonshared.a" -delete + fi +} + +# Simple test to make sure our new glibc isn't completely broken. +# Make sure we don't test with statically built binaries since +# they will fail. Also, skip if this glibc is a cross compiler. +# +# If coreutils is built with USE=multicall, some of these files +# will just be wrapper scripts, not actual ELFs we can test. +glibc_sanity_check() { + cd / #228809 + + # We enter ${ED} so to avoid trouble if the path contains + # special characters; for instance if the path contains the + # colon character (:), then the linker will try to split it + # and look for the libraries in an unexpected place. This can + # lead to unsafe code execution if the generated prefix is + # within a world-writable directory. + # (e.g. /var/tmp/portage:${HOSTNAME}) + pushd "${ED}"/$(get_libdir) >/dev/null + + # first let's find the actual dynamic linker here + # symlinks may point to the wrong abi + local newldso=$(find . -maxdepth 1 -name 'ld*so.?' -type f -print -quit) + + einfo Last-minute run tests with ${newldso} in /$(get_libdir) ... + + local x striptest + for x in cal date env free ls true uname uptime ; do + x=$(type -p ${x}) + [[ -z ${x} || ${x} != ${EPREFIX}/* ]] && continue + striptest=$(LC_ALL="C" file -L ${x} 2>/dev/null) || continue + case ${striptest} in + *"statically linked"*) continue;; + *"ASCII text"*) continue;; + esac + # We need to clear the locale settings as the upgrade might want + # incompatible locale data. This test is not for verifying that. + LC_ALL=C \ + ${newldso} --library-path . ${x} > /dev/null \ + || die "simple run test (${x}) failed" + done + + popd >/dev/null +} + +pkg_preinst() { + # nothing to do if just installing headers + just_headers && return + + # prepare /etc/ld.so.conf.d/ for files + mkdir -p "${EROOT}"/etc/ld.so.conf.d + + # Default /etc/hosts.conf:multi to on for systems with small dbs. + if [[ $(wc -l < "${EROOT}"/etc/hosts) -lt 1000 ]] ; then + sed -i '/^multi off/s:off:on:' "${ED}"/etc/host.conf + einfo "Defaulting /etc/host.conf:multi to on" + fi + + [[ -n ${ROOT} ]] && return 0 + [[ -d ${ED}/$(get_libdir) ]] || return 0 + [[ -z ${BOOTSTRAP_RAP} ]] && glibc_sanity_check + + if [[ -L ${EROOT}/usr/lib/locale ]]; then + # Help portage migrate this to a directory + # https://bugs.gentoo.org/753740 + rm "${EROOT}"/usr/lib/locale || die + fi + + # Keep around libcrypt so that Perl doesn't break when merging libxcrypt + # (libxcrypt is the new provider for now of libcrypt.so.{1,2}). + # bug #802207 + if ! use crypt && has_version "${CATEGORY}/${PN}[crypt]" && ! has preserve-libs ${FEATURES}; then + PRESERVED_OLD_LIBCRYPT=1 + cp -p "${EROOT}/$(get_libdir)/libcrypt$(get_libname 1)" "${T}/libcrypt$(get_libname 1)" || die + else + PRESERVED_OLD_LIBCRYPT=0 + fi +} + +pkg_postinst() { + # nothing to do if just installing headers + just_headers && return + + if ! tc-is-cross-compiler && [[ -x ${EROOT}/usr/sbin/iconvconfig ]] ; then + # Generate fastloading iconv module configuration file. + "${EROOT}"/usr/sbin/iconvconfig --prefix="${ROOT}/" + fi + + if ! is_crosscompile && [[ -z ${ROOT} ]] ; then + use compile-locales || run_locale_gen "${EROOT}/" + fi + + upgrade_warning + + # Check for sanity of /etc/nsswitch.conf, take 2 + if [[ -e ${EROOT}/etc/nsswitch.conf ]] && ! has_version sys-auth/libnss-nis ; then + local entry + for entry in passwd group shadow; do + if egrep -q "^[ \t]*${entry}:.*nis" "${EROOT}"/etc/nsswitch.conf; then + ewarn "" + ewarn "Your ${EROOT}/etc/nsswitch.conf uses NIS. Support for that has been" + ewarn "removed from glibc and is now provided by the package" + ewarn " sys-auth/libnss-nis" + ewarn "Install it now to keep your NIS setup working." + ewarn "" + fi + done + fi + + if [[ ${PRESERVED_OLD_LIBCRYPT} -eq 1 ]] ; then + cp -p "${T}/libcrypt$(get_libname 1)" "${EROOT}/$(get_libdir)/libcrypt$(get_libname 1)" || die + preserve_old_lib_notify /$(get_libdir)/libcrypt$(get_libname 1) + + elog "Please ignore a possible later error message about a file collision involving" + elog "${EROOT}/$(get_libdir)/libcrypt$(get_libname 1). We need to preserve this file for the moment to keep" + elog "the upgrade working, but it also needs to be overwritten when" + elog "sys-libs/libxcrypt is installed. See bug 802210 for more details." + fi +} diff --git a/sys-libs/glibc/glibc-2.34-r13.ebuild b/sys-libs/glibc/glibc-2.34-r13.ebuild new file mode 100644 index 000000000000..dd432185bf98 --- /dev/null +++ b/sys-libs/glibc/glibc-2.34-r13.ebuild @@ -0,0 +1,1617 @@ +# Copyright 1999-2022 Gentoo Authors +# Distributed under the terms of the GNU General Public License v2 + +EAPI=7 + +# Bumping notes: https://wiki.gentoo.org/wiki/Project:Toolchain/sys-libs/glibc +# Please read & adapt the page as necessary if obsolete. + +# We avoid Python 3.10 here _for now_ (it does work!) to avoid circular dependencies +# on upgrades as people migrate to libxcrypt. +# https://wiki.gentoo.org/wiki/User:Sam/Portage_help/Circular_dependencies#Python_and_libcrypt +PYTHON_COMPAT=( python3_{8,9} ) +TMPFILES_OPTIONAL=1 + +inherit python-any-r1 prefix preserve-libs toolchain-funcs flag-o-matic gnuconfig \ + multilib systemd multiprocessing tmpfiles + +DESCRIPTION="GNU libc C library" +HOMEPAGE="https://www.gnu.org/software/libc/" +LICENSE="LGPL-2.1+ BSD HPND ISC inner-net rc PCRE" +SLOT="2.2" + +EMULTILIB_PKG="true" + +# Gentoo patchset (ignored for live ebuilds) +PATCH_VER=17 +PATCH_DEV=dilfridge + +if [[ ${PV} == 9999* ]]; then + inherit git-r3 +else + KEYWORDS="~alpha amd64 arm arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ppc64 ~riscv ~s390 sparc ~x86" + SRC_URI="mirror://gnu/glibc/${P}.tar.xz" + SRC_URI+=" https://dev.gentoo.org/~${PATCH_DEV}/distfiles/${P}-patches-${PATCH_VER}.tar.xz" +fi + +RELEASE_VER=${PV} + +GCC_BOOTSTRAP_VER=20201208 + +LOCALE_GEN_VER=2.22 + +GLIBC_SYSTEMD_VER=20210729 + +SRC_URI+=" https://gitweb.gentoo.org/proj/locale-gen.git/snapshot/locale-gen-${LOCALE_GEN_VER}.tar.gz" +SRC_URI+=" multilib-bootstrap? ( https://dev.gentoo.org/~dilfridge/distfiles/gcc-multilib-bootstrap-${GCC_BOOTSTRAP_VER}.tar.xz )" +SRC_URI+=" systemd? ( https://gitweb.gentoo.org/proj/toolchain/glibc-systemd.git/snapshot/glibc-systemd-${GLIBC_SYSTEMD_VER}.tar.gz )" + +IUSE="audit caps cet +clone3 compile-locales +crypt custom-cflags doc gd headers-only +multiarch multilib multilib-bootstrap nscd profile selinux +ssp +static-libs static-pie suid systemd systemtap test vanilla" + +# Minimum kernel version that glibc requires +MIN_KERN_VER="3.2.0" +# Minimum pax-utils version needed (which contains any new syscall changes for +# its seccomp filter!). Please double check this! +MIN_PAX_UTILS_VER="1.3.3" + +# Here's how the cross-compile logic breaks down ... +# CTARGET - machine that will target the binaries +# CHOST - machine that will host the binaries +# CBUILD - machine that will build the binaries +# If CTARGET != CHOST, it means you want a libc for cross-compiling. +# If CHOST != CBUILD, it means you want to cross-compile the libc. +# CBUILD = CHOST = CTARGET - native build/install +# CBUILD != (CHOST = CTARGET) - cross-compile a native build +# (CBUILD = CHOST) != CTARGET - libc for cross-compiler +# CBUILD != CHOST != CTARGET - cross-compile a libc for a cross-compiler +# For install paths: +# CHOST = CTARGET - install into / +# CHOST != CTARGET - install into /usr/CTARGET/ +# +export CBUILD=${CBUILD:-${CHOST}} +export CTARGET=${CTARGET:-${CHOST}} +if [[ ${CTARGET} == ${CHOST} ]] ; then + if [[ ${CATEGORY} == cross-* ]] ; then + export CTARGET=${CATEGORY#cross-} + fi +fi + +# Note [Disable automatic stripping] +# Disabling automatic stripping for a few reasons: +# - portage's attempt to strip breaks non-native binaries at least on +# arm: bug #697428 +# - portage's attempt to strip libpthread.so.0 breaks gdb thread +# enumeration: bug #697910. This is quite subtle: +# * gdb uses glibc's libthread_db-1.0.so to enumerate threads. +# * libthread_db-1.0.so needs access to libpthread.so.0 local symbols +# via 'ps_pglobal_lookup' symbol defined in gdb. +# * 'ps_pglobal_lookup' uses '.symtab' section table to resolve all +# known symbols in 'libpthread.so.0'. Specifically 'nptl_version' +# (unexported) is used to sanity check compatibility before enabling +# debugging. +# Also see https://sourceware.org/gdb/wiki/FAQ#GDB_does_not_see_any_threads_besides_the_one_in_which_crash_occurred.3B_or_SIGTRAP_kills_my_program_when_I_set_a_breakpoint +# * normal 'strip' command trims '.symtab' +# Thus our main goal here is to prevent 'libpthread.so.0' from +# losing it's '.symtab' entries. +# As Gentoo's strip does not allow us to pass less aggressive stripping +# options and does not check the machine target we strip selectively. + +# We need a new-enough binutils/gcc to match upstream baseline. +# Also we need to make sure our binutils/gcc supports TLS, +# and that gcc already contains the hardened patches. +# Lastly, let's avoid some openssh nastiness, bug 708224, as +# convenience to our users. + +# gzip, grep, awk are needed by locale-gen, bug 740750 + +BDEPEND=" + ${PYTHON_DEPS} + >=app-misc/pax-utils-${MIN_PAX_UTILS_VER} + sys-devel/bison + doc? ( sys-apps/texinfo ) + !compile-locales? ( + app-arch/gzip + sys-apps/grep + virtual/awk + ) +" +COMMON_DEPEND=" + gd? ( media-libs/gd:2= ) + nscd? ( selinux? ( + audit? ( sys-process/audit ) + caps? ( sys-libs/libcap ) + ) ) + suid? ( caps? ( sys-libs/libcap ) ) + selinux? ( sys-libs/libselinux ) + systemtap? ( dev-util/systemtap ) +" +DEPEND="${COMMON_DEPEND} + compile-locales? ( + app-arch/gzip + sys-apps/grep + virtual/awk + ) + test? ( >=net-dns/libidn2-2.3.0 ) +" +RDEPEND="${COMMON_DEPEND} + app-arch/gzip + sys-apps/grep + virtual/awk + sys-apps/gentoo-functions + !' | $(tc-getCPP ${CTARGET}) ${CFLAGS} 2>&1 | grep -o '[^"]*linux/version.h') + ALT_BUILD_HEADERS=${header_path%/linux/version.h} + fi + fi + fi + echo "${ALT_BUILD_HEADERS}" +} + +alt_libdir() { + echo $(alt_prefix)/$(get_libdir) +} +alt_usrlibdir() { + echo $(alt_prefix)/usr/$(get_libdir) +} + +builddir() { + echo "${WORKDIR}/build-${ABI}-${CTARGET}-$1" +} + +do_compile_test() { + local ret save_cflags=${CFLAGS} + CFLAGS+=" $1" + shift + + pushd "${T}" >/dev/null + + rm -f glibc-test* + printf '%b' "$*" > glibc-test.c + + # Most of the time CC is already set, but not in early sanity checks. + nonfatal emake glibc-test CC="${CC-$(tc-getCC ${CTARGET})}" + ret=$? + + popd >/dev/null + + CFLAGS=${save_cflags} + return ${ret} +} + +do_run_test() { + local ret + + if [[ ${MERGE_TYPE} == "binary" ]] ; then + # ignore build failures when installing a binary package #324685 + do_compile_test "" "$@" 2>/dev/null || return 0 + else + if ! do_compile_test "" "$@" ; then + ewarn "Simple build failed ... assuming this is desired #324685" + return 0 + fi + fi + + pushd "${T}" >/dev/null + + ./glibc-test + ret=$? + rm -f glibc-test* + + popd >/dev/null + + return ${ret} +} + +setup_target_flags() { + # This largely mucks with compiler flags. None of which should matter + # when building up just the headers. + just_headers && return 0 + + case $(tc-arch) in + x86) + # -march needed for #185404 #199334 + # TODO: When creating the first glibc cross-compile, this test will + # always fail as it does a full link which in turn requires glibc. + # Probably also applies when changing multilib profile settings (e.g. + # enabling x86 when the profile was amd64-only previously). + # We could change main to _start and pass -nostdlib here so that we + # only test the gcc code compilation. Or we could do a compile and + # then look for the symbol via scanelf. + if ! do_compile_test "" 'void f(int i, void *p) {if (__sync_fetch_and_add(&i, 1)) f(i, p);}\nint main(){return 0;}\n'; then + local t=${CTARGET_OPT:-${CTARGET}} + t=${t%%-*} + filter-flags '-march=*' + export CFLAGS="-march=${t} ${CFLAGS}" + einfo "Auto adding -march=${t} to CFLAGS #185404" + fi + ;; + amd64) + # -march needed for #185404 #199334 + # TODO: See cross-compile issues listed above for x86. + [[ ${ABI} == x86 ]] && + if ! do_compile_test "${CFLAGS_x86}" 'void f(int i, void *p) {if (__sync_fetch_and_add(&i, 1)) f(i, p);}\nint main(){return 0;}\n'; then + local t=${CTARGET_OPT:-${CTARGET}} + t=${t%%-*} + # Normally the target is x86_64-xxx, so turn that into the -march that + # gcc actually accepts. #528708 + [[ ${t} == "x86_64" ]] && t="x86-64" + filter-flags '-march=*' + # ugly, ugly, ugly. ugly. + CFLAGS_x86=$(CFLAGS=${CFLAGS_x86} filter-flags '-march=*'; echo "${CFLAGS}") + export CFLAGS_x86="${CFLAGS_x86} -march=${t}" + einfo "Auto adding -march=${t} to CFLAGS_x86 #185404 (ABI=${ABI})" + fi + + # Workaround for https://bugs.gentoo.org/823780. This really should + # be removed when the upstream bug https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103275 + # is fixed in our tree, either via 11.3 or an 11.2p2 patch set. + if [[ ${ABI} == x86 ]] && tc-is-gcc && (($(gcc-major-version) == 11)) && (($(gcc-minor-version) <= 2)) && (($(gcc-micro-version) == 0)); then + export CFLAGS_x86="${CFLAGS_x86} -mno-avx512f" + einfo "Auto adding -mno-avx512f to CFLAGS_x86 (bug #823780) (ABI=${ABI})" + fi + ;; + mips) + # The mips abi cannot support the GNU style hashes. #233233 + filter-ldflags -Wl,--hash-style=gnu -Wl,--hash-style=both + ;; + ppc|ppc64) + # Many arch-specific implementations do not work on ppc with + # cache-block not equal to 128 bytes. This breaks memset: + # https://sourceware.org/PR26522 + # https://bugs.gentoo.org/737996 + # Use default -mcpu=. For ppc it means non-multiarch setup. + filter-flags '-mcpu=*' + ;; + sparc) + # Both sparc and sparc64 can use -fcall-used-g6. -g7 is bad, though. + filter-flags "-fcall-used-g7" + append-flags "-fcall-used-g6" + + local cpu + case ${CTARGET} in + sparc64-*) + cpu="sparc64" + case $(get-flag mcpu) in + v9) + # We need to force at least v9a because the base build doesn't + # work with just v9. + # https://sourceware.org/bugzilla/show_bug.cgi?id=19477 + append-flags "-Wa,-xarch=v9a" + ;; + esac + ;; + sparc-*) + case $(get-flag mcpu) in + v8|supersparc|hypersparc|leon|leon3) + cpu="sparcv8" + ;; + *) + cpu="sparcv9" + ;; + esac + ;; + esac + [[ -n ${cpu} ]] && CTARGET_OPT="${cpu}-${CTARGET#*-}" + ;; + esac +} + +setup_flags() { + # Make sure host make.conf doesn't pollute us + if is_crosscompile || tc-is-cross-compiler ; then + CHOST=${CTARGET} strip-unsupported-flags + fi + + # Store our CFLAGS because it's changed depending on which CTARGET + # we are building when pulling glibc on a multilib profile + CFLAGS_BASE=${CFLAGS_BASE-${CFLAGS}} + CFLAGS=${CFLAGS_BASE} + CXXFLAGS_BASE=${CXXFLAGS_BASE-${CXXFLAGS}} + CXXFLAGS=${CXXFLAGS_BASE} + ASFLAGS_BASE=${ASFLAGS_BASE-${ASFLAGS}} + ASFLAGS=${ASFLAGS_BASE} + + # Allow users to explicitly avoid flag sanitization via + # USE=custom-cflags. + if ! use custom-cflags; then + # Over-zealous CFLAGS can often cause problems. What may work for one + # person may not work for another. To avoid a large influx of bugs + # relating to failed builds, we strip most CFLAGS out to ensure as few + # problems as possible. + strip-flags + # Lock glibc at -O2; we want to be conservative here. + filter-flags '-O?' + append-flags -O2 + fi + + strip-unsupported-flags + filter-flags -m32 -m64 '-mabi=*' + + # glibc aborts if rpath is set by LDFLAGS + filter-ldflags '-Wl,-rpath=*' + + # ld can't use -r & --relax at the same time, bug #788901 + # https://sourceware.org/PR27837 + filter-ldflags '-Wl,--relax' + + # #492892 + filter-flags -frecord-gcc-switches + + # #829583 + filter-lfs-flags + + unset CBUILD_OPT CTARGET_OPT + if use multilib ; then + CTARGET_OPT=$(get_abi_CTARGET) + [[ -z ${CTARGET_OPT} ]] && CTARGET_OPT=$(get_abi_CHOST) + fi + + setup_target_flags + + if [[ -n ${CTARGET_OPT} && ${CBUILD} == ${CHOST} ]] && ! is_crosscompile; then + CBUILD_OPT=${CTARGET_OPT} + fi + + # glibc's headers disallow -O0 and fail at build time: + # include/libc-symbols.h:75:3: #error "glibc cannot be compiled without optimization" + replace-flags -O0 -O1 + + filter-flags '-fstack-protector*' + + # See end of bug #830454; we handle this via USE=cet + filter-flags '-fcf-protection=' +} + +use_multiarch() { + # Allow user to disable runtime arch detection in multilib. + use multiarch || return 1 + # Make sure binutils is new enough to support indirect functions, + # #336792. This funky sed supports gold and bfd linkers. + local bver nver + bver=$($(tc-getLD ${CTARGET}) -v | sed -n -r '1{s:[^0-9]*::;s:^([0-9.]*).*:\1:;p}') + case $(tc-arch ${CTARGET}) in + amd64|x86) nver="2.20" ;; + arm) nver="2.22" ;; + hppa) nver="2.23" ;; + ppc|ppc64) nver="2.20" ;; + # ifunc support was added in 2.23, but glibc also needs + # machinemode which is in 2.24. + s390) nver="2.24" ;; + sparc) nver="2.21" ;; + *) return 1 ;; + esac + ver_test ${bver} -ge ${nver} +} + +# Setup toolchain variables that had historically been defined in the +# profiles for these archs. +setup_env() { + # silly users + unset LD_RUN_PATH + unset LD_ASSUME_KERNEL + + if is_crosscompile || tc-is-cross-compiler ; then + multilib_env ${CTARGET_OPT:-${CTARGET}} + + if ! use multilib ; then + MULTILIB_ABIS=${DEFAULT_ABI} + else + MULTILIB_ABIS=${MULTILIB_ABIS:-${DEFAULT_ABI}} + fi + + # If the user has CFLAGS_ in their make.conf, use that, + # and fall back on CFLAGS. + local VAR=CFLAGS_${CTARGET//[-.]/_} + CFLAGS=${!VAR-${CFLAGS}} + einfo " $(printf '%15s' 'Manual CFLAGS:') ${CFLAGS}" + fi + + setup_flags + + export ABI=${ABI:-${DEFAULT_ABI:-default}} + + if just_headers ; then + # Avoid mixing host's CC and target's CFLAGS_${ABI}: + # At this bootstrap stage we have only binutils for + # target but not compiler yet. + einfo "Skip CC ABI injection. We can't use (cross-)compiler yet." + return 0 + fi + + # Glibc does not work with gold (for various reasons) #269274. + tc-ld-disable-gold + + if use doc ; then + export MAKEINFO=makeinfo + else + export MAKEINFO=/dev/null + fi + + # Reset CC and CXX to the value at start of emerge + export CC=${__ORIG_CC:-${CC:-$(tc-getCC ${CTARGET})}} + export CXX=${__ORIG_CXX:-${CXX:-$(tc-getCXX ${CTARGET})}} + + # and make sure __ORIC_CC and __ORIG_CXX is defined now. + export __ORIG_CC=${CC} + export __ORIG_CXX=${CXX} + + if tc-is-clang && ! use custom-cflags && ! is_crosscompile ; then + + # If we are running in an otherwise clang/llvm environment, we need to + # recover the proper gcc and binutils settings here, at least until glibc + # is finally building with clang. So let's override everything that is + # set in the clang profiles. + # Want to shoot yourself into the foot? Set USE=custom-cflags, that's always + # a good start into that direction. + # Also, if you're crosscompiling, let's assume you know what you are doing. + # Hopefully. + # Last, we need the settings of the *build* environment, not of the + # target environment... + + local current_binutils_path=$(env ROOT="${BROOT}" binutils-config -B) + local current_gcc_path=$(env ROOT="${BROOT}" gcc-config -B) + einfo "Overriding clang configuration, since it won't work here" + + export CC="${current_gcc_path}/gcc" + export CXX="${current_gcc_path}/g++" + export LD="${current_binutils_path}/ld.bfd" + export AR="${current_binutils_path}/ar" + export AS="${current_binutils_path}/as" + export NM="${current_binutils_path}/nm" + export STRIP="${current_binutils_path}/strip" + export RANLIB="${current_binutils_path}/ranlib" + export OBJCOPY="${current_binutils_path}/objcopy" + export STRINGS="${current_binutils_path}/strings" + export OBJDUMP="${current_binutils_path}/objdump" + export READELF="${current_binutils_path}/readelf" + export ADDR2LINE="${current_binutils_path}/addr2line" + + # do we need to also do flags munging here? yes! at least... + filter-flags '-fuse-ld=*' + filter-flags '-D_FORTIFY_SOURCE=*' + + else + + # this is the "normal" case + + export CC="$(tc-getCC ${CTARGET})" + export CXX="$(tc-getCXX ${CTARGET})" + + # Always use tuple-prefixed toolchain. For non-native ABI glibc's configure + # can't detect them automatically due to ${CHOST} mismatch and fallbacks + # to unprefixed tools. Similar to multilib.eclass:multilib_toolchain_setup(). + export NM="$(tc-getNM ${CTARGET})" + export READELF="$(tc-getREADELF ${CTARGET})" + + fi + + # We need to export CFLAGS with abi information in them because glibc's + # configure script checks CFLAGS for some targets (like mips). Keep + # around the original clean value to avoid appending multiple ABIs on + # top of each other. (Why does the comment talk about CFLAGS if the code + # acts on CC?) + export __GLIBC_CC=${CC} + export __GLIBC_CXX=${CXX} + + export __abi_CFLAGS="$(get_abi_CFLAGS)" + + # CFLAGS can contain ABI-specific flags like -mfpu=neon, see bug #657760 + # To build .S (assembly) files with the same ABI-specific flags + # upstream currently recommends adding CFLAGS to CC/CXX: + # https://sourceware.org/PR23273 + # Note: Passing CFLAGS via CPPFLAGS overrides glibc's arch-specific CFLAGS + # and breaks multiarch support. See 659030#c3 for an example. + # The glibc configure script doesn't properly use LDFLAGS all the time. + export CC="${__GLIBC_CC} ${__abi_CFLAGS} ${CFLAGS} ${LDFLAGS}" + + # Some of the tests are written in C++, so we need to force our multlib abis in, bug 623548 + export CXX="${__GLIBC_CXX} ${__abi_CFLAGS} ${CFLAGS}" + + if is_crosscompile; then + # Assume worst-case bootstrap: glibc is buil first time + # when ${CTARGET}-g++ is not available yet. We avoid + # building auxiliary programs that require C++: bug #683074 + # It should not affect final result. + export libc_cv_cxx_link_ok=no + # The line above has the same effect. We set CXX explicitly + # to make build logs less confusing. + export CXX= + fi +} + +foreach_abi() { + setup_env + + local ret=0 + local abilist="" + if use multilib ; then + abilist=$(get_install_abis) + else + abilist=${DEFAULT_ABI} + fi + local -x ABI + for ABI in ${abilist:-default} ; do + setup_env + einfo "Running $1 for ABI ${ABI}" + $1 + : $(( ret |= $? )) + done + return ${ret} +} + +glibc_banner() { + local b="Gentoo ${PVR}" + [[ -n ${PATCH_VER} ]] && ! use vanilla && b+=" p${PATCH_VER}" + echo "${b}" +} + +# The following Kernel version handling functions are mostly copied from portage +# source. It's better not to use linux-info.eclass here since a) it adds too +# much magic, see bug 326693 for some of the arguments, and b) some of the +# functions are just not provided. + +g_get_running_KV() { + uname -r + return $? +} + +g_KV_major() { + [[ -z $1 ]] && return 1 + local KV=$@ + echo "${KV%%.*}" +} + +g_KV_minor() { + [[ -z $1 ]] && return 1 + local KV=$@ + KV=${KV#*.} + echo "${KV%%.*}" +} + +g_KV_micro() { + [[ -z $1 ]] && return 1 + local KV=$@ + KV=${KV#*.*.} + echo "${KV%%[^[:digit:]]*}" +} + +g_KV_to_int() { + [[ -z $1 ]] && return 1 + local KV_MAJOR=$(g_KV_major "$1") + local KV_MINOR=$(g_KV_minor "$1") + local KV_MICRO=$(g_KV_micro "$1") + local KV_int=$(( KV_MAJOR * 65536 + KV_MINOR * 256 + KV_MICRO )) + + # We make version 2.2.0 the minimum version we will handle as + # a sanity check ... if its less, we fail ... + if [[ ${KV_int} -ge 131584 ]] ; then + echo "${KV_int}" + return 0 + fi + return 1 +} + +g_int_to_KV() { + local version=$1 major minor micro + major=$((version / 65536)) + minor=$(((version % 65536) / 256)) + micro=$((version % 256)) + echo ${major}.${minor}.${micro} +} + +eend_KV() { + [[ $(g_KV_to_int $1) -ge $(g_KV_to_int $2) ]] + eend $? +} + +get_kheader_version() { + printf '#include \nLINUX_VERSION_CODE\n' | \ + $(tc-getCPP ${CTARGET}) -I "$(build_eprefix)$(alt_build_headers)" - | \ + tail -n 1 +} + +# We collect all sanity checks here. Consistency is not guranteed between +# pkg_ and src_ phases, so we call this function both in pkg_pretend and in +# src_unpack. +sanity_prechecks() { + # Prevent native builds from downgrading + if [[ ${MERGE_TYPE} != "buildonly" ]] && \ + [[ -z ${ROOT} ]] && \ + [[ ${CBUILD} == ${CHOST} ]] && \ + [[ ${CHOST} == ${CTARGET} ]] ; then + + # The high rev # is to allow people to downgrade between -r# + # versions. We want to block 2.20->2.19, but 2.20-r3->2.20-r2 + # should be fine. Hopefully we never actually use a r# this + # high. + if has_version ">${CATEGORY}/${P}-r10000" ; then + eerror "Sanity check to keep you from breaking your system:" + eerror " Downgrading glibc is not supported and a sure way to destruction." + [[ ${I_ALLOW_TO_BREAK_MY_SYSTEM} = yes ]] || die "Aborting to save your system." + fi + + if ! do_run_test '#include \n#include \nint main(){return syscall(1000)!=-1;}\n' ; then + eerror "Your old kernel is broken. You need to update it to a newer" + eerror "version as syscall() will break. See bug 279260." + die "Old and broken kernel." + fi + fi + + # Users have had a chance to phase themselves, time to give em the boot + if [[ -e ${EROOT}/etc/locale.gen ]] && [[ -e ${EROOT}/etc/locales.build ]] ; then + eerror "You still haven't deleted ${EROOT}/etc/locales.build." + eerror "Do so now after making sure ${EROOT}/etc/locale.gen is kosher." + die "Lazy upgrader detected" + fi + + if [[ ${CTARGET} == i386-* ]] ; then + eerror "i386 CHOSTs are no longer supported." + eerror "Chances are you don't actually want/need i386." + eerror "Please read https://www.gentoo.org/doc/en/change-chost.xml" + die "Please fix your CHOST" + fi + + if [[ -e /proc/xen ]] && [[ $(tc-arch) == "x86" ]] && ! is-flag -mno-tls-direct-seg-refs ; then + ewarn "You are using Xen but don't have -mno-tls-direct-seg-refs in your CFLAGS." + ewarn "This will result in a 50% performance penalty when running with a 32bit" + ewarn "hypervisor, which is probably not what you want." + fi + + # ABI-specific checks follow here. Hey, we have a lot more specific conditions that + # we test for... + if ! is_crosscompile ; then + if use amd64 && use multilib && [[ ${MERGE_TYPE} != "binary" ]] ; then + ebegin "Checking that IA32 emulation is enabled in the running kernel" + echo 'int main(){return 0;}' > "${T}/check-ia32-emulation.c" + local STAT + if "${CC-${CHOST}-gcc}" ${CFLAGS_x86} "${T}/check-ia32-emulation.c" -o "${T}/check-ia32-emulation.elf32"; then + "${T}/check-ia32-emulation.elf32" + STAT=$? + else + # Don't fail here to allow single->multi ABI switch + # or recover from breakage like bug #646424 + ewarn "Failed to compile the ABI test. Broken host glibc?" + STAT=0 + fi + rm -f "${T}/check-ia32-emulation.elf32" + eend $STAT + [[ $STAT -eq 0 ]] || die "CONFIG_IA32_EMULATION must be enabled in the kernel to compile a multilib glibc." + fi + + fi + + # When we actually have to compile something... + if ! just_headers && [[ ${MERGE_TYPE} != "binary" ]] ; then + if [[ -d "${ESYSROOT}"/usr/lib/include ]] ; then + # bug #833620, bug #643302 + eerror "Found ${ESYSROOT}/usr/lib/include directory!" + eerror "This is known to break glibc's build." + eerror "Please backup its contents then remove the directory." + die "Found directory (${ESYSROOT}/usr/lib/include) which will break build (bug #833620)!" + fi + + if [[ ${CTARGET} == *-linux* ]] ; then + local run_kv build_kv want_kv + + run_kv=$(g_get_running_KV) + build_kv=$(g_int_to_KV $(get_kheader_version)) + want_kv=${MIN_KERN_VER} + + if ! is_crosscompile && ! tc-is-cross-compiler ; then + # Building fails on an non-supporting kernel + ebegin "Checking running kernel version (${run_kv} >= ${want_kv})" + if ! eend_KV ${run_kv} ${want_kv} ; then + echo + eerror "You need a kernel of at least ${want_kv}!" + die "Kernel version too low!" + fi + fi + + ebegin "Checking linux-headers version (${build_kv} >= ${want_kv})" + if ! eend_KV ${build_kv} ${want_kv} ; then + echo + eerror "You need linux-headers of at least ${want_kv}!" + die "linux-headers version too low!" + fi + fi + fi +} + +upgrade_warning() { + if [[ ${MERGE_TYPE} != buildonly && -n ${REPLACING_VERSIONS} && -z ${ROOT} ]]; then + local oldv newv=$(ver_cut 1-2 ${PV}) + for oldv in ${REPLACING_VERSIONS}; do + if ver_test ${oldv} -lt ${newv}; then + ewarn "After upgrading glibc, please restart all running processes." + ewarn "Be sure to include init (telinit u) or systemd (systemctl daemon-reexec)." + ewarn "Alternatively, reboot your system." + ewarn "(See bug #660556, bug #741116, bug #823756, etc)" + break + fi + done + fi +} + +# +# the phases +# + +# pkg_pretend + +pkg_pretend() { + # All the checks... + einfo "Checking general environment sanity." + sanity_prechecks + upgrade_warning +} + +pkg_setup() { + # see bug 682570 + [[ -z ${BOOTSTRAP_RAP} ]] && python-any-r1_pkg_setup +} + +# src_unpack + +src_unpack() { + # Consistency is not guaranteed between pkg_ and src_ ... + sanity_prechecks + + use multilib-bootstrap && unpack gcc-multilib-bootstrap-${GCC_BOOTSTRAP_VER}.tar.xz + + setup_env + + if [[ ${PV} == 9999* ]] ; then + EGIT_REPO_URI="https://anongit.gentoo.org/git/proj/toolchain/glibc-patches.git" + EGIT_CHECKOUT_DIR=${WORKDIR}/patches-git + git-r3_src_unpack + mv patches-git/9999 patches || die + + EGIT_REPO_URI="https://sourceware.org/git/glibc.git" + EGIT_CHECKOUT_DIR=${S} + git-r3_src_unpack + else + unpack ${P}.tar.xz + + cd "${WORKDIR}" || die + unpack glibc-${RELEASE_VER}-patches-${PATCH_VER}.tar.xz + fi + + cd "${WORKDIR}" || die + unpack locale-gen-${LOCALE_GEN_VER}.tar.gz + use systemd && unpack glibc-systemd-${GLIBC_SYSTEMD_VER}.tar.gz +} + +src_prepare() { + local patchsetname + if ! use vanilla ; then + if [[ ${PV} == 9999* ]] ; then + patchsetname="from git master" + else + patchsetname="${RELEASE_VER}-${PATCH_VER}" + fi + einfo "Applying Gentoo Glibc Patchset ${patchsetname}" + eapply "${WORKDIR}"/patches + einfo "Done." + fi + + if use clone3 ; then + append-cppflags -DGENTOO_USE_CLONE3 + else + # See e.g. bug #827386, bug #819045. + elog "Disabling the clone3 syscall for compatibility with older Electron apps." + elog "Please re-enable this flag before filing bugs!" + fi + + default + + gnuconfig_update + + cd "${WORKDIR}" + find . -name configure -exec touch {} + + + # move the external locale-gen to its old place + mkdir extra || die + mv locale-gen-${LOCALE_GEN_VER} extra/locale || die + + eprefixify extra/locale/locale-gen + + # Fix permissions on some of the scripts. + chmod u+x "${S}"/scripts/*.sh + + cd "${S}" +} + +glibc_do_configure() { + + local v + for v in ABI CBUILD CHOST CTARGET CBUILD_OPT CTARGET_OPT CC CXX LD {AS,C,CPP,CXX,LD}FLAGS MAKEINFO NM AR AS STRIP RANLIB OBJCOPY STRINGS OBJDUMP READELF; do + einfo " $(printf '%15s' ${v}:) ${!v}" + done + + echo + local myconf=() + + case ${CTARGET} in + m68k*) + # setjmp() is not compatible with stack protection: + # https://sourceware.org/PR24202 + myconf+=( --enable-stack-protector=no ) + ;; + *) + # Use '=strong' instead of '=all' to protect only functions + # worth protecting from stack smashes. + # '=all' is also known to have a problem in IFUNC resolution + # tests: https://sourceware.org/PR25680, bug #712356. + myconf+=( --enable-stack-protector=$(usex ssp strong no) ) + ;; + esac + myconf+=( --enable-stackguard-randomization ) + + # Keep a whitelist of targets supporing IFUNC. glibc's ./configure + # is not robust enough to detect proper support: + # https://bugs.gentoo.org/641216 + # https://sourceware.org/PR22634#c0 + case $(tc-arch ${CTARGET}) in + # Keep whitelist of targets where autodetection mostly works. + amd64|x86|sparc|ppc|ppc64|arm|arm64|s390) ;; + # Blacklist everywhere else + *) myconf+=( libc_cv_ld_gnu_indirect_function=no ) ;; + esac + + # Enable Intel Control-flow Enforcement Technology on amd64 if requested + case ${CTARGET} in + x86_64-*) myconf+=( $(use_enable cet) ) ;; + *) ;; + esac + + [[ $(tc-is-softfloat) == "yes" ]] && myconf+=( --without-fp ) + + myconf+=( --enable-kernel=${MIN_KERN_VER} ) + + # Since SELinux support is only required for nscd, only enable it if: + # 1. USE selinux + # 2. only for the primary ABI on multilib systems + # 3. Not a crosscompile + if ! is_crosscompile && use selinux ; then + if use multilib ; then + if is_final_abi ; then + myconf+=( --with-selinux ) + else + myconf+=( --without-selinux ) + fi + else + myconf+=( --with-selinux ) + fi + else + myconf+=( --without-selinux ) + fi + + # Force a few tests where we always know the answer but + # configure is incapable of finding it. + if is_crosscompile ; then + export \ + libc_cv_c_cleanup=yes \ + libc_cv_forced_unwind=yes + fi + + myconf+=( + --without-cvs + --disable-werror + --enable-bind-now + --build=${CBUILD_OPT:-${CBUILD}} + --host=${CTARGET_OPT:-${CTARGET}} + $(use_enable profile) + $(use_with gd) + --with-headers=$(build_eprefix)$(alt_build_headers) + --prefix="$(host_eprefix)/usr" + --sysconfdir="$(host_eprefix)/etc" + --localstatedir="$(host_eprefix)/var" + --libdir='$(prefix)'/$(get_libdir) + --mandir='$(prefix)'/share/man + --infodir='$(prefix)'/share/info + --libexecdir='$(libdir)'/misc/glibc + --with-bugurl=https://bugs.gentoo.org/ + --with-pkgversion="$(glibc_banner)" + $(use_enable crypt) + $(use_multiarch || echo --disable-multi-arch) + $(use_enable static-pie) + $(use_enable systemtap) + $(use_enable nscd) + + # locale data is arch-independent + # https://bugs.gentoo.org/753740 + libc_cv_complocaledir='${exec_prefix}/lib/locale' + + # -march= option tricks build system to infer too + # high ISA level: https://sourceware.org/PR27318 + libc_cv_include_x86_isa_level=no + # Explicit override of https://sourceware.org/PR27991 + # exposes a bug in glibc's configure: + # https://sourceware.org/PR27991 + libc_cv_have_x86_lahf_sahf=no + libc_cv_have_x86_movbe=no + + ${EXTRA_ECONF} + ) + + # We rely on sys-libs/timezone-data for timezone tools normally. + myconf+=( $(use_enable vanilla timezone-tools) ) + + # These libs don't have configure flags. + ac_cv_lib_audit_audit_log_user_avc_message=$(usex audit || echo no) + ac_cv_lib_cap_cap_init=$(usex caps || echo no) + + # There is no configure option for this and we need to export it + # since the glibc build will re-run configure on itself + export libc_cv_rootsbindir="$(host_eprefix)/sbin" + export libc_cv_slibdir="$(host_eprefix)/$(get_libdir)" + + local builddir=$(builddir nptl) + mkdir -p "${builddir}" + cd "${builddir}" + set -- "${S}"/configure "${myconf[@]}" + echo "$@" + "$@" || die "failed to configure glibc" + + # ia64 static cross-compilers are a pita in so much that they + # can't produce static ELFs (as the libgcc.a is broken). so + # disable building of the programs for those targets if it + # doesn't work. + # XXX: We could turn this into a compiler test, but ia64 is + # the only one that matters, so this should be fine for now. + if is_crosscompile && [[ ${CTARGET} == ia64* ]] ; then + sed -i '1i+link-static = touch $@' config.make + fi + + # If we're trying to migrate between ABI sets, we need + # to lie and use a local copy of gcc. Like if the system + # is built with MULTILIB_ABIS="amd64 x86" but we want to + # add x32 to it, gcc/glibc don't yet support x32. + # + if [[ -n ${GCC_BOOTSTRAP_VER} ]] && use multilib-bootstrap ; then + echo 'main(){}' > "${T}"/test.c + if ! $(tc-getCC ${CTARGET}) ${CFLAGS} ${LDFLAGS} "${T}"/test.c -Wl,-emain -lgcc 2>/dev/null ; then + sed -i -e '/^CC = /s:$: -B$(objdir)/../'"gcc-multilib-bootstrap-${GCC_BOOTSTRAP_VER}/${ABI}:" config.make || die + fi + fi +} + +glibc_headers_configure() { + export ABI=default + + local builddir=$(builddir "headers") + mkdir -p "${builddir}" + cd "${builddir}" + + # if we don't have a compiler yet, we can't really test it now ... + # hopefully they don't affect header generation, so let's hope for + # the best here ... + local v vars=( + ac_cv_header_cpuid_h=yes + libc_cv_{386,390,alpha,arm,hppa,ia64,mips,{powerpc,sparc}{,32,64},sh,x86_64}_tls=yes + libc_cv_asm_cfi_directives=yes + libc_cv_broken_visibility_attribute=no + libc_cv_c_cleanup=yes + libc_cv_compiler_powerpc64le_binary128_ok=yes + libc_cv_forced_unwind=yes + libc_cv_gcc___thread=yes + libc_cv_mlong_double_128=yes + libc_cv_mlong_double_128ibm=yes + libc_cv_ppc_machine=yes + libc_cv_ppc_rel16=yes + libc_cv_predef_fortify_source=no + libc_cv_target_power8_ok=yes + libc_cv_visibility_attribute=yes + libc_cv_z_combreloc=yes + libc_cv_z_execstack=yes + libc_cv_z_initfirst=yes + libc_cv_z_nodelete=yes + libc_cv_z_nodlopen=yes + libc_cv_z_relro=yes + libc_mips_abi=${ABI} + libc_mips_float=$([[ $(tc-is-softfloat) == "yes" ]] && echo soft || echo hard) + # These libs don't have configure flags. + ac_cv_lib_audit_audit_log_user_avc_message=no + ac_cv_lib_cap_cap_init=no + ) + + einfo "Forcing cached settings:" + for v in "${vars[@]}" ; do + einfo " ${v}" + export ${v} + done + + local headers_only_arch_CPPFLAGS=() + + # Blow away some random CC settings that screw things up. #550192 + if [[ -d ${S}/sysdeps/mips ]]; then + pushd "${S}"/sysdeps/mips >/dev/null + sed -i -e '/^CC +=/s:=.*:= -D_MIPS_SZPTR=32:' mips32/Makefile mips64/n32/Makefile || die + sed -i -e '/^CC +=/s:=.*:= -D_MIPS_SZPTR=64:' mips64/n64/Makefile || die + + # Force the mips ABI to the default. This is OK because the set of + # installed headers in this phase is the same between the 3 ABIs. + # If this ever changes, this hack will break, but that's unlikely + # as glibc discourages that behavior. + # https://crbug.com/647033 + sed -i -e 's:abiflag=.*:abiflag=_ABIO32:' preconfigure || die + + popd >/dev/null + fi + + case ${CTARGET} in + riscv*) + # RISC-V interrogates the compiler to determine which target to + # build. If building the headers then we don't strictly need a + # RISC-V compiler, so the built-in definitions that are provided + # along with all RISC-V compiler might not exist. This causes + # glibc's RISC-V preconfigure script to blow up. Since we're just + # building the headers any value will actually work here, so just + # pick the standard one (rv64g/lp64d) to make the build scripts + # happy for now -- the headers are all the same anyway so it + # doesn't matter. + headers_only_arch_CPPFLAGS+=( + -D__riscv_xlen=64 + -D__riscv_flen=64 + -D__riscv_float_abi_double=1 + -D__riscv_atomic=1 + ) ;; + esac + + local myconf=() + myconf+=( + --disable-sanity-checks + --enable-hacker-mode + --without-cvs + --disable-werror + --enable-bind-now + --build=${CBUILD_OPT:-${CBUILD}} + --host=${CTARGET_OPT:-${CTARGET}} + --with-headers=$(build_eprefix)$(alt_build_headers) + --prefix="$(host_eprefix)/usr" + ${EXTRA_ECONF} + ) + + # Nothing is compiled here which would affect the headers for the target. + # So forcing CC/CFLAGS is sane. + local headers_only_CC=$(tc-getBUILD_CC) + local headers_only_CFLAGS="-O1 -pipe" + local headers_only_CPPFLAGS="-U_FORTIFY_SOURCE ${headers_only_arch_CPPFLAGS[*]}" + local headers_only_LDFLAGS="" + set -- "${S}"/configure "${myconf[@]}" + echo \ + "CC=${headers_only_CC}" \ + "CFLAGS=${headers_only_CFLAGS}" \ + "CPPFLAGS=${headers_only_CPPFLAGS}" \ + "LDFLAGS=${headers_only_LDFLAGS}" \ + "$@" + CC=${headers_only_CC} \ + CFLAGS=${headers_only_CFLAGS} \ + CPPFLAGS=${headers_only_CPPFLAGS} \ + LDFLAGS="" \ + "$@" || die "failed to configure glibc" +} + +do_src_configure() { + if just_headers ; then + glibc_headers_configure + else + glibc_do_configure nptl + fi +} + +src_configure() { + foreach_abi do_src_configure +} + +do_src_compile() { + emake -C "$(builddir nptl)" +} + +src_compile() { + if just_headers ; then + return + fi + + foreach_abi do_src_compile +} + +glibc_src_test() { + cd "$(builddir nptl)" + + local myxfailparams="" + if [[ "${GENTOO_GLIBC_XFAIL_TESTS}" == "yes" ]] ; then + for myt in ${XFAIL_TEST_LIST[@]} ; do + myxfailparams+="test-xfail-${myt}=yes " + done + fi + + # sandbox does not understand unshare() and prevents + # writes to /proc/, which makes many tests fail + + SANDBOX_ON=0 LD_PRELOAD= emake ${myxfailparams} check +} + +do_src_test() { + local ret=0 + + glibc_src_test + : $(( ret |= $? )) + + return ${ret} +} + +src_test() { + if just_headers ; then + return + fi + + # Give tests more time to complete. + export TIMEOUTFACTOR=5 + + foreach_abi do_src_test || die "tests failed" +} + +run_locale_gen() { + # if the host locales.gen contains no entries, we'll install everything + local root="$1" + local inplace="" + + if [[ "${root}" == "--inplace-glibc" ]] ; then + inplace="--inplace-glibc" + root="$2" + fi + + local locale_list="${root%/}/etc/locale.gen" + + pushd "${ED}"/$(get_libdir) >/dev/null + + if [[ -z $(locale-gen --list --config "${locale_list}") ]] ; then + [[ -z ${inplace} ]] && ewarn "Generating all locales; edit /etc/locale.gen to save time/space" + locale_list="${root%/}/usr/share/i18n/SUPPORTED" + fi + + set -- locale-gen ${inplace} --jobs $(makeopts_jobs) --config "${locale_list}" \ + --destdir "${root}" + echo "$@" + "$@" + + popd >/dev/null +} + +glibc_do_src_install() { + local builddir=$(builddir nptl) + cd "${builddir}" + + emake install_root="${D}/$(build_eprefix)$(alt_prefix)" install + + # This version (2.26) provides some compatibility libraries for the NIS/NIS+ support + # which come without headers etc. Only needed for binary packages since the + # external net-libs/libnsl has increased soversion. Keep only versioned libraries. + find "${D}" -name "libnsl.a" -delete + find "${D}" -name "libnsl.so" -delete + + # Normally upstream_pv is ${PV}. Live ebuilds are exception, there we need + # to infer upstream version: + # '#define VERSION "2.26.90"' -> '2.26.90' + local upstream_pv=$(sed -n -r 's/#define VERSION "(.*)"/\1/p' "${S}"/version.h) + + # Avoid stripping binaries not targeted by ${CHOST}. Or else + # ${CHOST}-strip would break binaries build for ${CTARGET}. + is_crosscompile && dostrip -x / + # gdb thread introspection relies on local libpthreas symbols. stripping breaks it + # See Note [Disable automatic stripping] + dostrip -x $(alt_libdir)/libpthread-${upstream_pv}.so + + if [[ -e ${ED}/$(alt_usrlibdir)/libm-${upstream_pv}.a ]] ; then + # Move versioned .a file out of libdir to evade portage QA checks + # instead of using gen_usr_ldscript(). We fix ldscript as: + # "GROUP ( /usr/lib64/libm-.a ..." -> "GROUP ( /usr/lib64/glibc-/libm-.a ..." + sed -i "s@\(libm-${upstream_pv}.a\)@${P}/\1@" "${ED}"/$(alt_usrlibdir)/libm.a || die + dodir $(alt_usrlibdir)/${P} + mv "${ED}"/$(alt_usrlibdir)/libm-${upstream_pv}.a "${ED}"/$(alt_usrlibdir)/${P}/libm-${upstream_pv}.a || die + fi + + # We'll take care of the cache ourselves + rm -f "${ED}"/etc/ld.so.cache + + # Everything past this point just needs to be done once ... + is_final_abi || return 0 + + # Make sure the non-native interp can be found on multilib systems even + # if the main library set isn't installed into the right place. Maybe + # we should query the active gcc for info instead of hardcoding it ? + local i ldso_abi ldso_name + local ldso_abi_list=( + # x86 + amd64 /lib64/ld-linux-x86-64.so.2 + x32 /libx32/ld-linux-x32.so.2 + x86 /lib/ld-linux.so.2 + # mips + o32 /lib/ld.so.1 + n32 /lib32/ld.so.1 + n64 /lib64/ld.so.1 + # powerpc + ppc /lib/ld.so.1 + # riscv + ilp32d /lib/ld-linux-riscv32-ilp32d.so.1 + ilp32 /lib/ld-linux-riscv32-ilp32.so.1 + lp64d /lib/ld-linux-riscv64-lp64d.so.1 + lp64 /lib/ld-linux-riscv64-lp64.so.1 + # s390 + s390 /lib/ld.so.1 + s390x /lib/ld64.so.1 + # sparc + sparc32 /lib/ld-linux.so.2 + sparc64 /lib64/ld-linux.so.2 + ) + case $(tc-endian) in + little) + ldso_abi_list+=( + # arm + arm64 /lib/ld-linux-aarch64.so.1 + # ELFv2 (glibc does not support ELFv1 on LE) + ppc64 /lib64/ld64.so.2 + ) + ;; + big) + ldso_abi_list+=( + # arm + arm64 /lib/ld-linux-aarch64_be.so.1 + # ELFv1 (glibc does not support ELFv2 on BE) + ppc64 /lib64/ld64.so.1 + ) + ;; + esac + if [[ ${SYMLINK_LIB} == "yes" ]] && [[ ! -e ${ED}/$(alt_prefix)/lib ]] ; then + dosym $(get_abi_LIBDIR ${DEFAULT_ABI}) $(alt_prefix)/lib + fi + for (( i = 0; i < ${#ldso_abi_list[@]}; i += 2 )) ; do + ldso_abi=${ldso_abi_list[i]} + has ${ldso_abi} $(get_install_abis) || continue + + ldso_name="$(alt_prefix)${ldso_abi_list[i+1]}" + if [[ ! -L ${ED}/${ldso_name} && ! -e ${ED}/${ldso_name} ]] ; then + dosym ../$(get_abi_LIBDIR ${ldso_abi})/${ldso_name##*/} ${ldso_name} + fi + done + + # In the LSB 5.0 definition, someone had the excellent idea to "standardize" + # the runtime loader name, see also https://xkcd.com/927/ + # Normally, in Gentoo one should never come across executables that require this. + # However, binary commercial packages are known to adhere to weird practices. + # https://refspecs.linuxfoundation.org/LSB_5.0.0/LSB-Core-AMD64/LSB-Core-AMD64.html#BASELIB + local lsb_ldso_name native_ldso_name lsb_ldso_abi + local lsb_ldso_abi_list=( + # x86 + amd64 ld-linux-x86-64.so.2 ld-lsb-x86-64.so.3 + ) + for (( i = 0; i < ${#lsb_ldso_abi_list[@]}; i += 3 )) ; do + lsb_ldso_abi=${lsb_ldso_abi_list[i]} + native_ldso_name=${lsb_ldso_abi_list[i+1]} + lsb_ldso_name=${lsb_ldso_abi_list[i+2]} + has ${lsb_ldso_abi} $(get_install_abis) || continue + + if [[ ! -L ${ED}/$(get_abi_LIBDIR ${lsb_ldso_abi})/${lsb_ldso_name} && ! -e ${ED}/$(get_abi_LIBDIR ${lsb_ldso_abi})/${lsb_ldso_name} ]] ; then + dosym ${native_ldso_name} "$(alt_prefix)/$(get_abi_LIBDIR ${lsb_ldso_abi})/${lsb_ldso_name}" + fi + done + + # With devpts under Linux mounted properly, we do not need the pt_chown + # binary to be setuid. This is because the default owners/perms will be + # exactly what we want. + if ! use suid ; then + find "${ED}" -name pt_chown -exec chmod -s {} + + fi + + ################################################################# + # EVERYTHING AFTER THIS POINT IS FOR NATIVE GLIBC INSTALLS ONLY # + # Make sure we install some symlink hacks so that when we build + # a 2nd stage cross-compiler, gcc finds the target system + # headers correctly. See gcc/doc/gccinstall.info + if is_crosscompile ; then + # We need to make sure that /lib and /usr/lib always exists. + # gcc likes to use relative paths to get to its multilibs like + # /usr/lib/../lib64/. So while we don't install any files into + # /usr/lib/, we do need it to exist. + keepdir $(alt_prefix)/lib + keepdir $(alt_prefix)/usr/lib + + dosym usr/include $(alt_prefix)/sys-include + return 0 + fi + + # Files for Debian-style locale updating + dodir /usr/share/i18n + sed \ + -e "/^#/d" \ + -e "/SUPPORTED-LOCALES=/d" \ + -e "s: \\\\::g" -e "s:/: :g" \ + "${S}"/localedata/SUPPORTED > "${ED}"/usr/share/i18n/SUPPORTED \ + || die "generating /usr/share/i18n/SUPPORTED failed" + cd "${WORKDIR}"/extra/locale + dosbin locale-gen + doman *.[0-8] + insinto /etc + doins locale.gen + + keepdir /usr/lib/locale + + cd "${S}" + + # Install misc network config files + insinto /etc + doins posix/gai.conf + + if use systemd ; then + doins "${WORKDIR}/glibc-systemd-${GLIBC_SYSTEMD_VER}/gentoo-config/nsswitch.conf" + else + doins nss/nsswitch.conf + fi + + # Gentoo-specific + newins "${FILESDIR}"/host.conf-1 host.conf + + if use nscd ; then + doins nscd/nscd.conf + + newinitd "$(prefixify_ro "${FILESDIR}"/nscd-1)" nscd + + local nscd_args=( + -e "s:@PIDFILE@:$(strings "${ED}"/usr/sbin/nscd | grep nscd.pid):" + ) + + sed -i "${nscd_args[@]}" "${ED}"/etc/init.d/nscd + + use systemd && systemd_dounit nscd/nscd.service + newtmpfiles nscd/nscd.tmpfiles nscd.conf + fi + + echo 'LDPATH="include ld.so.conf.d/*.conf"' > "${T}"/00glibc + doenvd "${T}"/00glibc + + for d in BUGS ChangeLog CONFORMANCE FAQ NEWS NOTES PROJECTS README* ; do + [[ -s ${d} ]] && dodoc ${d} + done + dodoc -r ChangeLog.old + + # Prevent overwriting of the /etc/localtime symlink. We'll handle the + # creation of the "factory" symlink in pkg_postinst(). + rm -f "${ED}"/etc/localtime + + # Generate all locales if this is a native build as locale generation + if use compile-locales && ! is_crosscompile ; then + run_locale_gen --inplace-glibc "${ED}/" + sed -e 's:COMPILED_LOCALES="":COMPILED_LOCALES="1":' -i "${ED}"/usr/sbin/locale-gen || die + fi +} + +glibc_headers_install() { + local builddir=$(builddir "headers") + cd "${builddir}" + emake install_root="${D}/$(build_eprefix)$(alt_prefix)" install-headers + + insinto $(alt_headers)/gnu + doins "${S}"/include/gnu/stubs.h + + # Make sure we install the sys-include symlink so that when + # we build a 2nd stage cross-compiler, gcc finds the target + # system headers correctly. See gcc/doc/gccinstall.info + dosym usr/include $(alt_prefix)/sys-include +} + +src_install() { + if just_headers ; then + export ABI=default + glibc_headers_install + return + fi + + foreach_abi glibc_do_src_install + + if ! use static-libs ; then + einfo "Not installing static glibc libraries" + find "${ED}" -name "*.a" -and -not -name "*_nonshared.a" -delete + fi +} + +# Simple test to make sure our new glibc isn't completely broken. +# Make sure we don't test with statically built binaries since +# they will fail. Also, skip if this glibc is a cross compiler. +# +# If coreutils is built with USE=multicall, some of these files +# will just be wrapper scripts, not actual ELFs we can test. +glibc_sanity_check() { + cd / #228809 + + # We enter ${ED} so to avoid trouble if the path contains + # special characters; for instance if the path contains the + # colon character (:), then the linker will try to split it + # and look for the libraries in an unexpected place. This can + # lead to unsafe code execution if the generated prefix is + # within a world-writable directory. + # (e.g. /var/tmp/portage:${HOSTNAME}) + pushd "${ED}"/$(get_libdir) >/dev/null + + # first let's find the actual dynamic linker here + # symlinks may point to the wrong abi + local newldso=$(find . -maxdepth 1 -name 'ld*so.?' -type f -print -quit) + + einfo Last-minute run tests with ${newldso} in /$(get_libdir) ... + + local x striptest + for x in cal date env free ls true uname uptime ; do + x=$(type -p ${x}) + [[ -z ${x} || ${x} != ${EPREFIX}/* ]] && continue + striptest=$(LC_ALL="C" file -L ${x} 2>/dev/null) || continue + case ${striptest} in + *"statically linked"*) continue;; + *"ASCII text"*) continue;; + esac + # We need to clear the locale settings as the upgrade might want + # incompatible locale data. This test is not for verifying that. + LC_ALL=C \ + ${newldso} --library-path . ${x} > /dev/null \ + || die "simple run test (${x}) failed" + done + + popd >/dev/null +} + +pkg_preinst() { + # nothing to do if just installing headers + just_headers && return + + # prepare /etc/ld.so.conf.d/ for files + mkdir -p "${EROOT}"/etc/ld.so.conf.d + + # Default /etc/hosts.conf:multi to on for systems with small dbs. + if [[ $(wc -l < "${EROOT}"/etc/hosts) -lt 1000 ]] ; then + sed -i '/^multi off/s:off:on:' "${ED}"/etc/host.conf + einfo "Defaulting /etc/host.conf:multi to on" + fi + + [[ -n ${ROOT} ]] && return 0 + [[ -d ${ED}/$(get_libdir) ]] || return 0 + [[ -z ${BOOTSTRAP_RAP} ]] && glibc_sanity_check + + if [[ -L ${EROOT}/usr/lib/locale ]]; then + # Help portage migrate this to a directory + # https://bugs.gentoo.org/753740 + rm "${EROOT}"/usr/lib/locale || die + fi + + # Keep around libcrypt so that Perl doesn't break when merging libxcrypt + # (libxcrypt is the new provider for now of libcrypt.so.{1,2}). + # bug #802207 + if ! use crypt && has_version "${CATEGORY}/${PN}[crypt]" && ! has preserve-libs ${FEATURES}; then + PRESERVED_OLD_LIBCRYPT=1 + cp -p "${EROOT}/$(get_libdir)/libcrypt$(get_libname 1)" "${T}/libcrypt$(get_libname 1)" || die + else + PRESERVED_OLD_LIBCRYPT=0 + fi +} + +pkg_postinst() { + # nothing to do if just installing headers + just_headers && return + + if ! tc-is-cross-compiler && [[ -x ${EROOT}/usr/sbin/iconvconfig ]] ; then + # Generate fastloading iconv module configuration file. + "${EROOT}"/usr/sbin/iconvconfig --prefix="${ROOT}/" + fi + + if ! is_crosscompile && [[ -z ${ROOT} ]] ; then + use compile-locales || run_locale_gen "${EROOT}/" + fi + + upgrade_warning + + # Check for sanity of /etc/nsswitch.conf, take 2 + if [[ -e ${EROOT}/etc/nsswitch.conf ]] && ! has_version sys-auth/libnss-nis ; then + local entry + for entry in passwd group shadow; do + if egrep -q "^[ \t]*${entry}:.*nis" "${EROOT}"/etc/nsswitch.conf; then + ewarn "" + ewarn "Your ${EROOT}/etc/nsswitch.conf uses NIS. Support for that has been" + ewarn "removed from glibc and is now provided by the package" + ewarn " sys-auth/libnss-nis" + ewarn "Install it now to keep your NIS setup working." + ewarn "" + fi + done + fi + + if [[ ${PRESERVED_OLD_LIBCRYPT} -eq 1 ]] ; then + cp -p "${T}/libcrypt$(get_libname 1)" "${EROOT}/$(get_libdir)/libcrypt$(get_libname 1)" || die + preserve_old_lib_notify /$(get_libdir)/libcrypt$(get_libname 1) + + elog "Please ignore a possible later error message about a file collision involving" + elog "${EROOT}/$(get_libdir)/libcrypt$(get_libname 1). We need to preserve this file for the moment to keep" + elog "the upgrade working, but it also needs to be overwritten when" + elog "sys-libs/libxcrypt is installed. See bug 802210 for more details." + fi +} diff --git a/sys-libs/glibc/glibc-2.35-r1.ebuild b/sys-libs/glibc/glibc-2.35-r1.ebuild deleted file mode 100644 index 891974bc21c4..000000000000 --- a/sys-libs/glibc/glibc-2.35-r1.ebuild +++ /dev/null @@ -1,1582 +0,0 @@ -# Copyright 1999-2022 Gentoo Authors -# Distributed under the terms of the GNU General Public License v2 - -EAPI=7 - -# Bumping notes: https://wiki.gentoo.org/wiki/Project:Toolchain/sys-libs/glibc -# Please read & adapt the page as necessary if obsolete. - -PYTHON_COMPAT=( python3_{8,9,10} ) -TMPFILES_OPTIONAL=1 - -inherit python-any-r1 prefix preserve-libs toolchain-funcs flag-o-matic gnuconfig \ - multilib systemd multiprocessing tmpfiles - -DESCRIPTION="GNU libc C library" -HOMEPAGE="https://www.gnu.org/software/libc/" -LICENSE="LGPL-2.1+ BSD HPND ISC inner-net rc PCRE" -SLOT="2.2" - -EMULTILIB_PKG="true" - -# Gentoo patchset (ignored for live ebuilds) -PATCH_VER=4 -PATCH_DEV=dilfridge - -if [[ ${PV} == 9999* ]]; then - inherit git-r3 -else - KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86" - SRC_URI="mirror://gnu/glibc/${P}.tar.xz" - SRC_URI+=" https://dev.gentoo.org/~${PATCH_DEV}/distfiles/${P}-patches-${PATCH_VER}.tar.xz" -fi - -RELEASE_VER=${PV} - -GCC_BOOTSTRAP_VER=20201208 - -LOCALE_GEN_VER=2.22 - -GLIBC_SYSTEMD_VER=20210729 - -SRC_URI+=" https://gitweb.gentoo.org/proj/locale-gen.git/snapshot/locale-gen-${LOCALE_GEN_VER}.tar.gz" -SRC_URI+=" multilib-bootstrap? ( https://dev.gentoo.org/~dilfridge/distfiles/gcc-multilib-bootstrap-${GCC_BOOTSTRAP_VER}.tar.xz )" -SRC_URI+=" systemd? ( https://gitweb.gentoo.org/proj/toolchain/glibc-systemd.git/snapshot/glibc-systemd-${GLIBC_SYSTEMD_VER}.tar.gz )" - -IUSE="audit caps cet compile-locales +crypt custom-cflags doc gd headers-only +multiarch multilib multilib-bootstrap nscd profile selinux +ssp +static-libs suid systemd systemtap test vanilla" - -# Minimum kernel version that glibc requires -MIN_KERN_VER="3.2.0" -# Minimum pax-utils version needed (which contains any new syscall changes for -# its seccomp filter!). Please double check this! -MIN_PAX_UTILS_VER="1.3.3" - -# Here's how the cross-compile logic breaks down ... -# CTARGET - machine that will target the binaries -# CHOST - machine that will host the binaries -# CBUILD - machine that will build the binaries -# If CTARGET != CHOST, it means you want a libc for cross-compiling. -# If CHOST != CBUILD, it means you want to cross-compile the libc. -# CBUILD = CHOST = CTARGET - native build/install -# CBUILD != (CHOST = CTARGET) - cross-compile a native build -# (CBUILD = CHOST) != CTARGET - libc for cross-compiler -# CBUILD != CHOST != CTARGET - cross-compile a libc for a cross-compiler -# For install paths: -# CHOST = CTARGET - install into / -# CHOST != CTARGET - install into /usr/CTARGET/ -# -export CBUILD=${CBUILD:-${CHOST}} -export CTARGET=${CTARGET:-${CHOST}} -if [[ ${CTARGET} == ${CHOST} ]] ; then - if [[ ${CATEGORY} == cross-* ]] ; then - export CTARGET=${CATEGORY#cross-} - fi -fi - -# Note [Disable automatic stripping] -# Disabling automatic stripping for a few reasons: -# - portage's attempt to strip breaks non-native binaries at least on -# arm: bug #697428 -# - portage's attempt to strip libpthread.so.0 breaks gdb thread -# enumeration: bug #697910. This is quite subtle: -# * gdb uses glibc's libthread_db-1.0.so to enumerate threads. -# * libthread_db-1.0.so needs access to libpthread.so.0 local symbols -# via 'ps_pglobal_lookup' symbol defined in gdb. -# * 'ps_pglobal_lookup' uses '.symtab' section table to resolve all -# known symbols in 'libpthread.so.0'. Specifically 'nptl_version' -# (unexported) is used to sanity check compatibility before enabling -# debugging. -# Also see https://sourceware.org/gdb/wiki/FAQ#GDB_does_not_see_any_threads_besides_the_one_in_which_crash_occurred.3B_or_SIGTRAP_kills_my_program_when_I_set_a_breakpoint -# * normal 'strip' command trims '.symtab' -# Thus our main goal here is to prevent 'libpthread.so.0' from -# losing it's '.symtab' entries. -# As Gentoo's strip does not allow us to pass less aggressive stripping -# options and does not check the machine target we strip selectively. - -# We need a new-enough binutils/gcc to match upstream baseline. -# Also we need to make sure our binutils/gcc supports TLS, -# and that gcc already contains the hardened patches. -# Lastly, let's avoid some openssh nastiness, bug 708224, as -# convenience to our users. - -# gzip, grep, awk are needed by locale-gen, bug 740750 - -BDEPEND=" - ${PYTHON_DEPS} - >=app-misc/pax-utils-${MIN_PAX_UTILS_VER} - sys-devel/bison - doc? ( sys-apps/texinfo ) - !compile-locales? ( - app-arch/gzip - sys-apps/grep - virtual/awk - ) -" -COMMON_DEPEND=" - gd? ( media-libs/gd:2= ) - nscd? ( selinux? ( - audit? ( sys-process/audit ) - caps? ( sys-libs/libcap ) - ) ) - suid? ( caps? ( sys-libs/libcap ) ) - selinux? ( sys-libs/libselinux ) - systemtap? ( dev-util/systemtap ) -" -DEPEND="${COMMON_DEPEND} - compile-locales? ( - app-arch/gzip - sys-apps/grep - virtual/awk - ) - test? ( >=net-dns/libidn2-2.3.0 ) -" -RDEPEND="${COMMON_DEPEND} - app-arch/gzip - sys-apps/grep - virtual/awk - sys-apps/gentoo-functions - !' | $(tc-getCPP ${CTARGET}) ${CFLAGS} 2>&1 | grep -o '[^"]*linux/version.h') - ALT_BUILD_HEADERS=${header_path%/linux/version.h} - fi - fi - fi - echo "${ALT_BUILD_HEADERS}" -} - -alt_libdir() { - echo $(alt_prefix)/$(get_libdir) -} -alt_usrlibdir() { - echo $(alt_prefix)/usr/$(get_libdir) -} - -builddir() { - echo "${WORKDIR}/build-${ABI}-${CTARGET}-$1" -} - -do_compile_test() { - local ret save_cflags=${CFLAGS} - CFLAGS+=" $1" - shift - - pushd "${T}" >/dev/null - - rm -f glibc-test* - printf '%b' "$*" > glibc-test.c - - # We assume CC is already set up. - nonfatal emake glibc-test - ret=$? - - popd >/dev/null - - CFLAGS=${save_cflags} - return ${ret} -} - -do_run_test() { - local ret - - if [[ ${MERGE_TYPE} == "binary" ]] ; then - # ignore build failures when installing a binary package #324685 - do_compile_test "" "$@" 2>/dev/null || return 0 - else - if ! do_compile_test "" "$@" ; then - ewarn "Simple build failed ... assuming this is desired #324685" - return 0 - fi - fi - - pushd "${T}" >/dev/null - - ./glibc-test - ret=$? - rm -f glibc-test* - - popd >/dev/null - - return ${ret} -} - -setup_target_flags() { - # This largely mucks with compiler flags. None of which should matter - # when building up just the headers. - just_headers && return 0 - - case $(tc-arch) in - x86) - # -march needed for #185404 #199334 - # TODO: When creating the first glibc cross-compile, this test will - # always fail as it does a full link which in turn requires glibc. - # Probably also applies when changing multilib profile settings (e.g. - # enabling x86 when the profile was amd64-only previously). - # We could change main to _start and pass -nostdlib here so that we - # only test the gcc code compilation. Or we could do a compile and - # then look for the symbol via scanelf. - if ! do_compile_test "" 'void f(int i, void *p) {if (__sync_fetch_and_add(&i, 1)) f(i, p);}\nint main(){return 0;}\n'; then - local t=${CTARGET_OPT:-${CTARGET}} - t=${t%%-*} - filter-flags '-march=*' - export CFLAGS="-march=${t} ${CFLAGS}" - einfo "Auto adding -march=${t} to CFLAGS #185404" - fi - ;; - amd64) - # -march needed for #185404 #199334 - # TODO: See cross-compile issues listed above for x86. - [[ ${ABI} == x86 ]] && - if ! do_compile_test "${CFLAGS_x86}" 'void f(int i, void *p) {if (__sync_fetch_and_add(&i, 1)) f(i, p);}\nint main(){return 0;}\n'; then - local t=${CTARGET_OPT:-${CTARGET}} - t=${t%%-*} - # Normally the target is x86_64-xxx, so turn that into the -march that - # gcc actually accepts. #528708 - [[ ${t} == "x86_64" ]] && t="x86-64" - filter-flags '-march=*' - # ugly, ugly, ugly. ugly. - CFLAGS_x86=$(CFLAGS=${CFLAGS_x86} filter-flags '-march=*'; echo "${CFLAGS}") - export CFLAGS_x86="${CFLAGS_x86} -march=${t}" - einfo "Auto adding -march=${t} to CFLAGS_x86 #185404 (ABI=${ABI})" - fi - ;; - mips) - # The mips abi cannot support the GNU style hashes. #233233 - filter-ldflags -Wl,--hash-style=gnu -Wl,--hash-style=both - ;; - ppc|ppc64) - # Many arch-specific implementations do not work on ppc with - # cache-block not equal to 128 bytes. This breaks memset: - # https://sourceware.org/PR26522 - # https://bugs.gentoo.org/737996 - # Use default -mcpu=. For ppc it means non-multiarch setup. - filter-flags '-mcpu=*' - ;; - sparc) - # Both sparc and sparc64 can use -fcall-used-g6. -g7 is bad, though. - filter-flags "-fcall-used-g7" - append-flags "-fcall-used-g6" - - local cpu - case ${CTARGET} in - sparc64-*) - cpu="sparc64" - case $(get-flag mcpu) in - v9) - # We need to force at least v9a because the base build doesn't - # work with just v9. - # https://sourceware.org/bugzilla/show_bug.cgi?id=19477 - append-flags "-Wa,-xarch=v9a" - ;; - esac - ;; - sparc-*) - case $(get-flag mcpu) in - v8|supersparc|hypersparc|leon|leon3) - cpu="sparcv8" - ;; - *) - cpu="sparcv9" - ;; - esac - ;; - esac - [[ -n ${cpu} ]] && CTARGET_OPT="${cpu}-${CTARGET#*-}" - ;; - esac -} - -setup_flags() { - # Make sure host make.conf doesn't pollute us - if is_crosscompile || tc-is-cross-compiler ; then - CHOST=${CTARGET} strip-unsupported-flags - fi - - # Store our CFLAGS because it's changed depending on which CTARGET - # we are building when pulling glibc on a multilib profile - CFLAGS_BASE=${CFLAGS_BASE-${CFLAGS}} - CFLAGS=${CFLAGS_BASE} - CXXFLAGS_BASE=${CXXFLAGS_BASE-${CXXFLAGS}} - CXXFLAGS=${CXXFLAGS_BASE} - ASFLAGS_BASE=${ASFLAGS_BASE-${ASFLAGS}} - ASFLAGS=${ASFLAGS_BASE} - - # Allow users to explicitly avoid flag sanitization via - # USE=custom-cflags. - if ! use custom-cflags; then - # Over-zealous CFLAGS can often cause problems. What may work for one - # person may not work for another. To avoid a large influx of bugs - # relating to failed builds, we strip most CFLAGS out to ensure as few - # problems as possible. - strip-flags - # Lock glibc at -O2; we want to be conservative here. - filter-flags '-O?' - append-flags -O2 - fi - - strip-unsupported-flags - filter-flags -m32 -m64 '-mabi=*' - - # glibc aborts if rpath is set by LDFLAGS - filter-ldflags '-Wl,-rpath=*' - - # ld can't use -r & --relax at the same time, bug #788901 - # https://sourceware.org/PR27837 - filter-ldflags '-Wl,--relax' - - # #492892 - filter-flags -frecord-gcc-switches - - # #829583 - filter-lfs-flags - - unset CBUILD_OPT CTARGET_OPT - if use multilib ; then - CTARGET_OPT=$(get_abi_CTARGET) - [[ -z ${CTARGET_OPT} ]] && CTARGET_OPT=$(get_abi_CHOST) - fi - - setup_target_flags - - if [[ -n ${CTARGET_OPT} && ${CBUILD} == ${CHOST} ]] && ! is_crosscompile; then - CBUILD_OPT=${CTARGET_OPT} - fi - - # glibc's headers disallow -O0 and fail at build time: - # include/libc-symbols.h:75:3: #error "glibc cannot be compiled without optimization" - replace-flags -O0 -O1 - - filter-flags '-fstack-protector*' -} - -use_multiarch() { - # Allow user to disable runtime arch detection in multilib. - use multiarch || return 1 - # Make sure binutils is new enough to support indirect functions, - # #336792. This funky sed supports gold and bfd linkers. - local bver nver - bver=$($(tc-getLD ${CTARGET}) -v | sed -n -r '1{s:[^0-9]*::;s:^([0-9.]*).*:\1:;p}') - case $(tc-arch ${CTARGET}) in - amd64|x86) nver="2.20" ;; - arm) nver="2.22" ;; - hppa) nver="2.23" ;; - ppc|ppc64) nver="2.20" ;; - # ifunc support was added in 2.23, but glibc also needs - # machinemode which is in 2.24. - s390) nver="2.24" ;; - sparc) nver="2.21" ;; - *) return 1 ;; - esac - ver_test ${bver} -ge ${nver} -} - -# Setup toolchain variables that had historically been defined in the -# profiles for these archs. -setup_env() { - # silly users - unset LD_RUN_PATH - unset LD_ASSUME_KERNEL - - if is_crosscompile || tc-is-cross-compiler ; then - multilib_env ${CTARGET_OPT:-${CTARGET}} - - if ! use multilib ; then - MULTILIB_ABIS=${DEFAULT_ABI} - else - MULTILIB_ABIS=${MULTILIB_ABIS:-${DEFAULT_ABI}} - fi - - # If the user has CFLAGS_ in their make.conf, use that, - # and fall back on CFLAGS. - local VAR=CFLAGS_${CTARGET//[-.]/_} - CFLAGS=${!VAR-${CFLAGS}} - einfo " $(printf '%15s' 'Manual CFLAGS:') ${CFLAGS}" - fi - - setup_flags - - export ABI=${ABI:-${DEFAULT_ABI:-default}} - - if just_headers ; then - # Avoid mixing host's CC and target's CFLAGS_${ABI}: - # At this bootstrap stage we have only binutils for - # target but not compiler yet. - einfo "Skip CC ABI injection. We can't use (cross-)compiler yet." - return 0 - fi - - # Glibc does not work with gold (for various reasons) #269274. - tc-ld-disable-gold - - if use doc ; then - export MAKEINFO=makeinfo - else - export MAKEINFO=/dev/null - fi - - # Reset CC and CXX to the value at start of emerge - export CC=${__ORIG_CC:-${CC:-$(tc-getCC ${CTARGET})}} - export CXX=${__ORIG_CXX:-${CXX:-$(tc-getCXX ${CTARGET})}} - - # and make sure __ORIC_CC and __ORIG_CXX is defined now. - export __ORIG_CC=${CC} - export __ORIG_CXX=${CXX} - - if tc-is-clang && ! use custom-cflags && ! is_crosscompile ; then - - # If we are running in an otherwise clang/llvm environment, we need to - # recover the proper gcc and binutils settings here, at least until glibc - # is finally building with clang. So let's override everything that is - # set in the clang profiles. - # Want to shoot yourself into the foot? Set USE=custom-cflags, that's always - # a good start into that direction. - # Also, if you're crosscompiling, let's assume you know what you are doing. - # Hopefully. - # Last, we need the settings of the *build* environment, not of the - # target environment... - - local current_binutils_path=$(env ROOT="${BROOT}" binutils-config -B) - local current_gcc_path=$(env ROOT="${BROOT}" gcc-config -B) - einfo "Overriding clang configuration, since it won't work here" - - export CC="${current_gcc_path}/gcc" - export CXX="${current_gcc_path}/g++" - export LD="${current_binutils_path}/ld.bfd" - export AR="${current_binutils_path}/ar" - export AS="${current_binutils_path}/as" - export NM="${current_binutils_path}/nm" - export STRIP="${current_binutils_path}/strip" - export RANLIB="${current_binutils_path}/ranlib" - export OBJCOPY="${current_binutils_path}/objcopy" - export STRINGS="${current_binutils_path}/strings" - export OBJDUMP="${current_binutils_path}/objdump" - export READELF="${current_binutils_path}/readelf" - export ADDR2LINE="${current_binutils_path}/addr2line" - - # do we need to also do flags munging here? yes! at least... - filter-flags '-fuse-ld=*' - filter-flags '-D_FORTIFY_SOURCE=*' - - else - - # this is the "normal" case - - export CC="$(tc-getCC ${CTARGET})" - export CXX="$(tc-getCXX ${CTARGET})" - - # Always use tuple-prefixed toolchain. For non-native ABI glibc's configure - # can't detect them automatically due to ${CHOST} mismatch and fallbacks - # to unprefixed tools. Similar to multilib.eclass:multilib_toolchain_setup(). - export NM="$(tc-getNM ${CTARGET})" - export READELF="$(tc-getREADELF ${CTARGET})" - - fi - - # We need to export CFLAGS with abi information in them because glibc's - # configure script checks CFLAGS for some targets (like mips). Keep - # around the original clean value to avoid appending multiple ABIs on - # top of each other. (Why does the comment talk about CFLAGS if the code - # acts on CC?) - export __GLIBC_CC=${CC} - export __GLIBC_CXX=${CXX} - - export __abi_CFLAGS="$(get_abi_CFLAGS)" - - # CFLAGS can contain ABI-specific flags like -mfpu=neon, see bug #657760 - # To build .S (assembly) files with the same ABI-specific flags - # upstream currently recommends adding CFLAGS to CC/CXX: - # https://sourceware.org/PR23273 - # Note: Passing CFLAGS via CPPFLAGS overrides glibc's arch-specific CFLAGS - # and breaks multiarch support. See 659030#c3 for an example. - # The glibc configure script doesn't properly use LDFLAGS all the time. - export CC="${__GLIBC_CC} ${__abi_CFLAGS} ${CFLAGS} ${LDFLAGS}" - - # Some of the tests are written in C++, so we need to force our multlib abis in, bug 623548 - export CXX="${__GLIBC_CXX} ${__abi_CFLAGS} ${CFLAGS}" - - if is_crosscompile; then - # Assume worst-case bootstrap: glibc is buil first time - # when ${CTARGET}-g++ is not available yet. We avoid - # building auxiliary programs that require C++: bug #683074 - # It should not affect final result. - export libc_cv_cxx_link_ok=no - # The line above has the same effect. We set CXX explicitly - # to make build logs less confusing. - export CXX= - fi -} - -foreach_abi() { - setup_env - - local ret=0 - local abilist="" - if use multilib ; then - abilist=$(get_install_abis) - else - abilist=${DEFAULT_ABI} - fi - local -x ABI - for ABI in ${abilist:-default} ; do - setup_env - einfo "Running $1 for ABI ${ABI}" - $1 - : $(( ret |= $? )) - done - return ${ret} -} - -glibc_banner() { - local b="Gentoo ${PVR}" - [[ -n ${PATCH_VER} ]] && ! use vanilla && b+=" p${PATCH_VER}" - echo "${b}" -} - -# The following Kernel version handling functions are mostly copied from portage -# source. It's better not to use linux-info.eclass here since a) it adds too -# much magic, see bug 326693 for some of the arguments, and b) some of the -# functions are just not provided. - -g_get_running_KV() { - uname -r - return $? -} - -g_KV_major() { - [[ -z $1 ]] && return 1 - local KV=$@ - echo "${KV%%.*}" -} - -g_KV_minor() { - [[ -z $1 ]] && return 1 - local KV=$@ - KV=${KV#*.} - echo "${KV%%.*}" -} - -g_KV_micro() { - [[ -z $1 ]] && return 1 - local KV=$@ - KV=${KV#*.*.} - echo "${KV%%[^[:digit:]]*}" -} - -g_KV_to_int() { - [[ -z $1 ]] && return 1 - local KV_MAJOR=$(g_KV_major "$1") - local KV_MINOR=$(g_KV_minor "$1") - local KV_MICRO=$(g_KV_micro "$1") - local KV_int=$(( KV_MAJOR * 65536 + KV_MINOR * 256 + KV_MICRO )) - - # We make version 2.2.0 the minimum version we will handle as - # a sanity check ... if its less, we fail ... - if [[ ${KV_int} -ge 131584 ]] ; then - echo "${KV_int}" - return 0 - fi - return 1 -} - -g_int_to_KV() { - local version=$1 major minor micro - major=$((version / 65536)) - minor=$(((version % 65536) / 256)) - micro=$((version % 256)) - echo ${major}.${minor}.${micro} -} - -eend_KV() { - [[ $(g_KV_to_int $1) -ge $(g_KV_to_int $2) ]] - eend $? -} - -get_kheader_version() { - printf '#include \nLINUX_VERSION_CODE\n' | \ - $(tc-getCPP ${CTARGET}) -I "$(build_eprefix)$(alt_build_headers)" - | \ - tail -n 1 -} - -# We collect all sanity checks here. Consistency is not guranteed between -# pkg_ and src_ phases, so we call this function both in pkg_pretend and in -# src_unpack. -sanity_prechecks() { - # Prevent native builds from downgrading - if [[ ${MERGE_TYPE} != "buildonly" ]] && \ - [[ -z ${ROOT} ]] && \ - [[ ${CBUILD} == ${CHOST} ]] && \ - [[ ${CHOST} == ${CTARGET} ]] ; then - - # The high rev # is to allow people to downgrade between -r# - # versions. We want to block 2.20->2.19, but 2.20-r3->2.20-r2 - # should be fine. Hopefully we never actually use a r# this - # high. - if has_version ">${CATEGORY}/${P}-r10000" ; then - eerror "Sanity check to keep you from breaking your system:" - eerror " Downgrading glibc is not supported and a sure way to destruction." - [[ ${I_ALLOW_TO_BREAK_MY_SYSTEM} = yes ]] || die "Aborting to save your system." - fi - - if ! do_run_test '#include \n#include \nint main(){return syscall(1000)!=-1;}\n' ; then - eerror "Your old kernel is broken. You need to update it to a newer" - eerror "version as syscall() will break. See bug 279260." - die "Old and broken kernel." - fi - fi - - # Users have had a chance to phase themselves, time to give em the boot - if [[ -e ${EROOT}/etc/locale.gen ]] && [[ -e ${EROOT}/etc/locales.build ]] ; then - eerror "You still haven't deleted ${EROOT}/etc/locales.build." - eerror "Do so now after making sure ${EROOT}/etc/locale.gen is kosher." - die "Lazy upgrader detected" - fi - - if [[ ${CTARGET} == i386-* ]] ; then - eerror "i386 CHOSTs are no longer supported." - eerror "Chances are you don't actually want/need i386." - eerror "Please read https://www.gentoo.org/doc/en/change-chost.xml" - die "Please fix your CHOST" - fi - - if [[ -e /proc/xen ]] && [[ $(tc-arch) == "x86" ]] && ! is-flag -mno-tls-direct-seg-refs ; then - ewarn "You are using Xen but don't have -mno-tls-direct-seg-refs in your CFLAGS." - ewarn "This will result in a 50% performance penalty when running with a 32bit" - ewarn "hypervisor, which is probably not what you want." - fi - - # ABI-specific checks follow here. Hey, we have a lot more specific conditions that - # we test for... - if ! is_crosscompile ; then - if use amd64 && use multilib && [[ ${MERGE_TYPE} != "binary" ]] ; then - ebegin "Checking that IA32 emulation is enabled in the running kernel" - echo 'int main(){return 0;}' > "${T}/check-ia32-emulation.c" - local STAT - if ${CC-${CHOST}-gcc} ${CFLAGS_x86} "${T}/check-ia32-emulation.c" -o "${T}/check-ia32-emulation.elf32"; then - "${T}/check-ia32-emulation.elf32" - STAT=$? - else - # Don't fail here to allow single->multi ABI switch - # or recover from breakage like bug #646424 - ewarn "Failed to compile the ABI test. Broken host glibc?" - STAT=0 - fi - rm -f "${T}/check-ia32-emulation.elf32" - eend $STAT - [[ $STAT -eq 0 ]] || die "CONFIG_IA32_EMULATION must be enabled in the kernel to compile a multilib glibc." - fi - - fi - - # When we actually have to compile something... - if ! just_headers && [[ ${MERGE_TYPE} != "binary" ]] ; then - if [[ -d "${ESYSROOT}"/usr/lib/include ]] ; then - # bug #833620, bug #643302 - eerror "Found ${ESYSROOT}/usr/lib/include directory!" - eerror "This is known to break glibc's build." - eerror "Please backup its contents then remove the directory." - die "Found directory (${ESYSROOT}/usr/lib/include) which will break build (bug #833620)!" - fi - - if [[ ${CTARGET} == *-linux* ]] ; then - local run_kv build_kv want_kv - - run_kv=$(g_get_running_KV) - build_kv=$(g_int_to_KV $(get_kheader_version)) - want_kv=${MIN_KERN_VER} - - if ! is_crosscompile && ! tc-is-cross-compiler ; then - # Building fails on an non-supporting kernel - ebegin "Checking running kernel version (${run_kv} >= ${want_kv})" - if ! eend_KV ${run_kv} ${want_kv} ; then - echo - eerror "You need a kernel of at least ${want_kv}!" - die "Kernel version too low!" - fi - fi - - ebegin "Checking linux-headers version (${build_kv} >= ${want_kv})" - if ! eend_KV ${build_kv} ${want_kv} ; then - echo - eerror "You need linux-headers of at least ${want_kv}!" - die "linux-headers version too low!" - fi - fi - fi -} - -upgrade_warning() { - if [[ ${MERGE_TYPE} != buildonly && -n ${REPLACING_VERSIONS} && -z ${ROOT} ]]; then - local oldv newv=$(ver_cut 1-2 ${PV}) - for oldv in ${REPLACING_VERSIONS}; do - if ver_test ${oldv} -lt ${newv}; then - ewarn "After upgrading glibc, please restart all running processes." - ewarn "Be sure to include init (telinit u) or systemd (systemctl daemon-reexec)." - ewarn "Alternatively, reboot your system." - ewarn "(See bug #660556, bug #741116, bug #823756, etc)" - break - fi - done - fi -} - -# -# the phases -# - -# pkg_pretend - -pkg_pretend() { - upgrade_warning -} - -pkg_setup() { - # see bug 682570 - [[ -z ${BOOTSTRAP_RAP} ]] && python-any-r1_pkg_setup -} - -# src_unpack - -src_unpack() { - setup_env - - einfo "Checking general environment sanity." - sanity_prechecks - - use multilib-bootstrap && unpack gcc-multilib-bootstrap-${GCC_BOOTSTRAP_VER}.tar.xz - - if [[ ${PV} == 9999* ]] ; then - EGIT_REPO_URI="https://anongit.gentoo.org/git/proj/toolchain/glibc-patches.git" - EGIT_CHECKOUT_DIR=${WORKDIR}/patches-git - git-r3_src_unpack - mv patches-git/9999 patches || die - - EGIT_REPO_URI="https://sourceware.org/git/glibc.git" - EGIT_CHECKOUT_DIR=${S} - git-r3_src_unpack - else - unpack ${P}.tar.xz - - cd "${WORKDIR}" || die - unpack glibc-${RELEASE_VER}-patches-${PATCH_VER}.tar.xz - fi - - cd "${WORKDIR}" || die - unpack locale-gen-${LOCALE_GEN_VER}.tar.gz - use systemd && unpack glibc-systemd-${GLIBC_SYSTEMD_VER}.tar.gz -} - -src_prepare() { - local patchsetname - if ! use vanilla ; then - if [[ ${PV} == 9999* ]] ; then - patchsetname="from git master" - else - patchsetname="${RELEASE_VER}-${PATCH_VER}" - fi - einfo "Applying Gentoo Glibc Patchset ${patchsetname}" - eapply "${WORKDIR}"/patches - einfo "Done." - fi - - default - - gnuconfig_update - - cd "${WORKDIR}" - find . -name configure -exec touch {} + - - # move the external locale-gen to its old place - mkdir extra || die - mv locale-gen-${LOCALE_GEN_VER} extra/locale || die - - eprefixify extra/locale/locale-gen - - # Fix permissions on some of the scripts. - chmod u+x "${S}"/scripts/*.sh - - cd "${S}" -} - -glibc_do_configure() { - - local v - for v in ABI CBUILD CHOST CTARGET CBUILD_OPT CTARGET_OPT CC CXX LD {AS,C,CPP,CXX,LD}FLAGS MAKEINFO NM AR AS STRIP RANLIB OBJCOPY STRINGS OBJDUMP READELF; do - einfo " $(printf '%15s' ${v}:) ${!v}" - done - - echo - local myconf=() - - # Use '=strong' instead of '=all' to protect only functions - # worth protecting from stack smashes. - myconf+=( --enable-stack-protector=$(usex ssp strong no) ) - - # Keep a whitelist of targets supporing IFUNC. glibc's ./configure - # is not robust enough to detect proper support: - # https://bugs.gentoo.org/641216 - # https://sourceware.org/PR22634#c0 - case $(tc-arch ${CTARGET}) in - # Keep whitelist of targets where autodetection mostly works. - amd64|x86|sparc|ppc|ppc64|arm|arm64|s390) ;; - # Blacklist everywhere else - *) myconf+=( libc_cv_ld_gnu_indirect_function=no ) ;; - esac - - # Enable Intel Control-flow Enforcement Technology on amd64 if requested - case ${CTARGET} in - x86_64-*) myconf+=( $(use_enable cet) ) ;; - *) ;; - esac - - [[ $(tc-is-softfloat) == "yes" ]] && myconf+=( --without-fp ) - - myconf+=( --enable-kernel=${MIN_KERN_VER} ) - - # Since SELinux support is only required for nscd, only enable it if: - # 1. USE selinux - # 2. only for the primary ABI on multilib systems - # 3. Not a crosscompile - if ! is_crosscompile && use selinux ; then - if use multilib ; then - if is_final_abi ; then - myconf+=( --with-selinux ) - else - myconf+=( --without-selinux ) - fi - else - myconf+=( --with-selinux ) - fi - else - myconf+=( --without-selinux ) - fi - - # Force a few tests where we always know the answer but - # configure is incapable of finding it. - if is_crosscompile ; then - export \ - libc_cv_c_cleanup=yes \ - libc_cv_forced_unwind=yes - fi - - myconf+=( - --disable-werror - --enable-bind-now - --build=${CBUILD_OPT:-${CBUILD}} - --host=${CTARGET_OPT:-${CTARGET}} - $(use_enable profile) - $(use_with gd) - --with-headers=$(build_eprefix)$(alt_build_headers) - --prefix="$(host_eprefix)/usr" - --sysconfdir="$(host_eprefix)/etc" - --localstatedir="$(host_eprefix)/var" - --libdir='$(prefix)'/$(get_libdir) - --mandir='$(prefix)'/share/man - --infodir='$(prefix)'/share/info - --libexecdir='$(libdir)'/misc/glibc - --with-bugurl=https://bugs.gentoo.org/ - --with-pkgversion="$(glibc_banner)" - $(use_enable crypt) - $(use_multiarch || echo --disable-multi-arch) - $(use_enable systemtap) - $(use_enable nscd) - - # locale data is arch-independent - # https://bugs.gentoo.org/753740 - libc_cv_complocaledir='${exec_prefix}/lib/locale' - - # -march= option tricks build system to infer too - # high ISA level: https://sourceware.org/PR27318 - libc_cv_include_x86_isa_level=no - # Explicit override of https://sourceware.org/PR27991 - # exposes a bug in glibc's configure: - # https://sourceware.org/PR27991 - libc_cv_have_x86_lahf_sahf=no - libc_cv_have_x86_movbe=no - - ${EXTRA_ECONF} - ) - - # We rely on sys-libs/timezone-data for timezone tools normally. - myconf+=( $(use_enable vanilla timezone-tools) ) - - # These libs don't have configure flags. - ac_cv_lib_audit_audit_log_user_avc_message=$(usex audit || echo no) - ac_cv_lib_cap_cap_init=$(usex caps || echo no) - - # There is no configure option for this and we need to export it - # since the glibc build will re-run configure on itself - export libc_cv_rootsbindir="$(host_eprefix)/sbin" - export libc_cv_slibdir="$(host_eprefix)/$(get_libdir)" - - # We take care of patching our binutils to use both hash styles, - # and many people like to force gnu hash style only, so disable - # this overriding check. #347761 - export libc_cv_hashstyle=no - - local builddir=$(builddir nptl) - mkdir -p "${builddir}" - cd "${builddir}" - set -- "${S}"/configure "${myconf[@]}" - echo "$@" - "$@" || die "failed to configure glibc" - - # ia64 static cross-compilers are a pita in so much that they - # can't produce static ELFs (as the libgcc.a is broken). so - # disable building of the programs for those targets if it - # doesn't work. - # XXX: We could turn this into a compiler test, but ia64 is - # the only one that matters, so this should be fine for now. - if is_crosscompile && [[ ${CTARGET} == ia64* ]] ; then - sed -i '1i+link-static = touch $@' config.make - fi - - # If we're trying to migrate between ABI sets, we need - # to lie and use a local copy of gcc. Like if the system - # is built with MULTILIB_ABIS="amd64 x86" but we want to - # add x32 to it, gcc/glibc don't yet support x32. - # - if [[ -n ${GCC_BOOTSTRAP_VER} ]] && use multilib-bootstrap ; then - echo 'main(){}' > "${T}"/test.c - if ! $(tc-getCC ${CTARGET}) ${CFLAGS} ${LDFLAGS} "${T}"/test.c -Wl,-emain -lgcc 2>/dev/null ; then - sed -i -e '/^CC = /s:$: -B$(objdir)/../'"gcc-multilib-bootstrap-${GCC_BOOTSTRAP_VER}/${ABI}:" config.make || die - fi - fi -} - -glibc_headers_configure() { - export ABI=default - - local builddir=$(builddir "headers") - mkdir -p "${builddir}" - cd "${builddir}" - - # if we don't have a compiler yet, we can't really test it now ... - # hopefully they don't affect header generation, so let's hope for - # the best here ... - local v vars=( - ac_cv_header_cpuid_h=yes - libc_cv_{386,390,alpha,arm,hppa,ia64,mips,{powerpc,sparc}{,32,64},sh,x86_64}_tls=yes - libc_cv_asm_cfi_directives=yes - libc_cv_broken_visibility_attribute=no - libc_cv_c_cleanup=yes - libc_cv_compiler_powerpc64le_binary128_ok=yes - libc_cv_forced_unwind=yes - libc_cv_gcc___thread=yes - libc_cv_mlong_double_128=yes - libc_cv_mlong_double_128ibm=yes - libc_cv_ppc_machine=yes - libc_cv_ppc_rel16=yes - libc_cv_predef_fortify_source=no - libc_cv_target_power8_ok=yes - libc_cv_visibility_attribute=yes - libc_cv_z_combreloc=yes - libc_cv_z_execstack=yes - libc_cv_z_initfirst=yes - libc_cv_z_nodelete=yes - libc_cv_z_nodlopen=yes - libc_cv_z_relro=yes - libc_mips_abi=${ABI} - libc_mips_float=$([[ $(tc-is-softfloat) == "yes" ]] && echo soft || echo hard) - # These libs don't have configure flags. - ac_cv_lib_audit_audit_log_user_avc_message=no - ac_cv_lib_cap_cap_init=no - ) - - einfo "Forcing cached settings:" - for v in "${vars[@]}" ; do - einfo " ${v}" - export ${v} - done - - local headers_only_arch_CPPFLAGS=() - - # Blow away some random CC settings that screw things up. #550192 - if [[ -d ${S}/sysdeps/mips ]]; then - pushd "${S}"/sysdeps/mips >/dev/null - sed -i -e '/^CC +=/s:=.*:= -D_MIPS_SZPTR=32:' mips32/Makefile mips64/n32/Makefile || die - sed -i -e '/^CC +=/s:=.*:= -D_MIPS_SZPTR=64:' mips64/n64/Makefile || die - - # Force the mips ABI to the default. This is OK because the set of - # installed headers in this phase is the same between the 3 ABIs. - # If this ever changes, this hack will break, but that's unlikely - # as glibc discourages that behavior. - # https://crbug.com/647033 - sed -i -e 's:abiflag=.*:abiflag=_ABIO32:' preconfigure || die - - popd >/dev/null - fi - - case ${CTARGET} in - riscv*) - # RISC-V interrogates the compiler to determine which target to - # build. If building the headers then we don't strictly need a - # RISC-V compiler, so the built-in definitions that are provided - # along with all RISC-V compiler might not exist. This causes - # glibc's RISC-V preconfigure script to blow up. Since we're just - # building the headers any value will actually work here, so just - # pick the standard one (rv64g/lp64d) to make the build scripts - # happy for now -- the headers are all the same anyway so it - # doesn't matter. - headers_only_arch_CPPFLAGS+=( - -D__riscv_xlen=64 - -D__riscv_flen=64 - -D__riscv_float_abi_double=1 - -D__riscv_atomic=1 - ) ;; - esac - - local myconf=() - myconf+=( - --disable-sanity-checks - --enable-hacker-mode - --disable-werror - --enable-bind-now - --build=${CBUILD_OPT:-${CBUILD}} - --host=${CTARGET_OPT:-${CTARGET}} - --with-headers=$(build_eprefix)$(alt_build_headers) - --prefix="$(host_eprefix)/usr" - ${EXTRA_ECONF} - ) - - # Nothing is compiled here which would affect the headers for the target. - # So forcing CC/CFLAGS is sane. - local headers_only_CC=$(tc-getBUILD_CC) - local headers_only_CFLAGS="-O1 -pipe" - local headers_only_CPPFLAGS="-U_FORTIFY_SOURCE ${headers_only_arch_CPPFLAGS[*]}" - local headers_only_LDFLAGS="" - set -- "${S}"/configure "${myconf[@]}" - echo \ - "CC=${headers_only_CC}" \ - "CFLAGS=${headers_only_CFLAGS}" \ - "CPPFLAGS=${headers_only_CPPFLAGS}" \ - "LDFLAGS=${headers_only_LDFLAGS}" \ - "$@" - CC=${headers_only_CC} \ - CFLAGS=${headers_only_CFLAGS} \ - CPPFLAGS=${headers_only_CPPFLAGS} \ - LDFLAGS="" \ - "$@" || die "failed to configure glibc" -} - -do_src_configure() { - if just_headers ; then - glibc_headers_configure - else - glibc_do_configure nptl - fi -} - -src_configure() { - foreach_abi do_src_configure -} - -do_src_compile() { - emake -C "$(builddir nptl)" -} - -src_compile() { - if just_headers ; then - return - fi - - foreach_abi do_src_compile -} - -glibc_src_test() { - cd "$(builddir nptl)" - - local myxfailparams="" - if [[ "${GENTOO_GLIBC_XFAIL_TESTS}" == "yes" ]] ; then - for myt in ${XFAIL_TEST_LIST[@]} ; do - myxfailparams+="test-xfail-${myt}=yes " - done - fi - - # sandbox does not understand unshare() and prevents - # writes to /proc/, which makes many tests fail - - SANDBOX_ON=0 LD_PRELOAD= emake ${myxfailparams} check -} - -do_src_test() { - local ret=0 - - glibc_src_test - : $(( ret |= $? )) - - return ${ret} -} - -src_test() { - if just_headers ; then - return - fi - - # Give tests more time to complete. - export TIMEOUTFACTOR=5 - - foreach_abi do_src_test || die "tests failed" -} - -run_locale_gen() { - # if the host locales.gen contains no entries, we'll install everything - local root="$1" - local inplace="" - - if [[ "${root}" == "--inplace-glibc" ]] ; then - inplace="--inplace-glibc" - root="$2" - fi - - local locale_list="${root%/}/etc/locale.gen" - - pushd "${ED}"/$(get_libdir) >/dev/null - - if [[ -z $(locale-gen --list --config "${locale_list}") ]] ; then - [[ -z ${inplace} ]] && ewarn "Generating all locales; edit /etc/locale.gen to save time/space" - locale_list="${root%/}/usr/share/i18n/SUPPORTED" - fi - - set -- locale-gen ${inplace} --jobs $(makeopts_jobs) --config "${locale_list}" \ - --destdir "${root}" - echo "$@" - "$@" - - popd >/dev/null -} - -glibc_do_src_install() { - local builddir=$(builddir nptl) - cd "${builddir}" - - emake install_root="${D}/$(build_eprefix)$(alt_prefix)" install - - # This version (2.26) provides some compatibility libraries for the NIS/NIS+ support - # which come without headers etc. Only needed for binary packages since the - # external net-libs/libnsl has increased soversion. Keep only versioned libraries. - find "${D}" -name "libnsl.a" -delete - find "${D}" -name "libnsl.so" -delete - - # Normally upstream_pv is ${PV}. Live ebuilds are exception, there we need - # to infer upstream version: - # '#define VERSION "2.26.90"' -> '2.26.90' - local upstream_pv=$(sed -n -r 's/#define VERSION "(.*)"/\1/p' "${S}"/version.h) - - # Avoid stripping binaries not targeted by ${CHOST}. Or else - # ${CHOST}-strip would break binaries build for ${CTARGET}. - is_crosscompile && dostrip -x / - # gdb thread introspection relies on local libpthreas symbols. stripping breaks it - # See Note [Disable automatic stripping] - dostrip -x $(alt_libdir)/libpthread-${upstream_pv}.so - - if [[ -e ${ED}/$(alt_usrlibdir)/libm-${upstream_pv}.a ]] ; then - # Move versioned .a file out of libdir to evade portage QA checks - # instead of using gen_usr_ldscript(). We fix ldscript as: - # "GROUP ( /usr/lib64/libm-.a ..." -> "GROUP ( /usr/lib64/glibc-/libm-.a ..." - sed -i "s@\(libm-${upstream_pv}.a\)@${P}/\1@" "${ED}"/$(alt_usrlibdir)/libm.a || die - dodir $(alt_usrlibdir)/${P} - mv "${ED}"/$(alt_usrlibdir)/libm-${upstream_pv}.a "${ED}"/$(alt_usrlibdir)/${P}/libm-${upstream_pv}.a || die - fi - - # We'll take care of the cache ourselves - rm -f "${ED}"/etc/ld.so.cache - - # Everything past this point just needs to be done once ... - is_final_abi || return 0 - - # Make sure the non-native interp can be found on multilib systems even - # if the main library set isn't installed into the right place. Maybe - # we should query the active gcc for info instead of hardcoding it ? - local i ldso_abi ldso_name - local ldso_abi_list=( - # x86 - amd64 /lib64/ld-linux-x86-64.so.2 - x32 /libx32/ld-linux-x32.so.2 - x86 /lib/ld-linux.so.2 - # mips - o32 /lib/ld.so.1 - n32 /lib32/ld.so.1 - n64 /lib64/ld.so.1 - # powerpc - ppc /lib/ld.so.1 - # riscv - ilp32d /lib/ld-linux-riscv32-ilp32d.so.1 - ilp32 /lib/ld-linux-riscv32-ilp32.so.1 - lp64d /lib/ld-linux-riscv64-lp64d.so.1 - lp64 /lib/ld-linux-riscv64-lp64.so.1 - # s390 - s390 /lib/ld.so.1 - s390x /lib/ld64.so.1 - # sparc - sparc32 /lib/ld-linux.so.2 - sparc64 /lib64/ld-linux.so.2 - ) - case $(tc-endian) in - little) - ldso_abi_list+=( - # arm - arm64 /lib/ld-linux-aarch64.so.1 - # ELFv2 (glibc does not support ELFv1 on LE) - ppc64 /lib64/ld64.so.2 - ) - ;; - big) - ldso_abi_list+=( - # arm - arm64 /lib/ld-linux-aarch64_be.so.1 - # ELFv1 (glibc does not support ELFv2 on BE) - ppc64 /lib64/ld64.so.1 - ) - ;; - esac - if [[ ${SYMLINK_LIB} == "yes" ]] && [[ ! -e ${ED}/$(alt_prefix)/lib ]] ; then - dosym $(get_abi_LIBDIR ${DEFAULT_ABI}) $(alt_prefix)/lib - fi - for (( i = 0; i < ${#ldso_abi_list[@]}; i += 2 )) ; do - ldso_abi=${ldso_abi_list[i]} - has ${ldso_abi} $(get_install_abis) || continue - - ldso_name="$(alt_prefix)${ldso_abi_list[i+1]}" - if [[ ! -L ${ED}/${ldso_name} && ! -e ${ED}/${ldso_name} ]] ; then - dosym ../$(get_abi_LIBDIR ${ldso_abi})/${ldso_name##*/} ${ldso_name} - fi - done - - # In the LSB 5.0 definition, someone had the excellent idea to "standardize" - # the runtime loader name, see also https://xkcd.com/927/ - # Normally, in Gentoo one should never come across executables that require this. - # However, binary commercial packages are known to adhere to weird practices. - # https://refspecs.linuxfoundation.org/LSB_5.0.0/LSB-Core-AMD64/LSB-Core-AMD64.html#BASELIB - local lsb_ldso_name native_ldso_name lsb_ldso_abi - local lsb_ldso_abi_list=( - # x86 - amd64 ld-linux-x86-64.so.2 ld-lsb-x86-64.so.3 - ) - for (( i = 0; i < ${#lsb_ldso_abi_list[@]}; i += 3 )) ; do - lsb_ldso_abi=${lsb_ldso_abi_list[i]} - native_ldso_name=${lsb_ldso_abi_list[i+1]} - lsb_ldso_name=${lsb_ldso_abi_list[i+2]} - has ${lsb_ldso_abi} $(get_install_abis) || continue - - if [[ ! -L ${ED}/$(get_abi_LIBDIR ${lsb_ldso_abi})/${lsb_ldso_name} && ! -e ${ED}/$(get_abi_LIBDIR ${lsb_ldso_abi})/${lsb_ldso_name} ]] ; then - dosym ${native_ldso_name} "$(alt_prefix)/$(get_abi_LIBDIR ${lsb_ldso_abi})/${lsb_ldso_name}" - fi - done - - # With devpts under Linux mounted properly, we do not need the pt_chown - # binary to be setuid. This is because the default owners/perms will be - # exactly what we want. - if ! use suid ; then - find "${ED}" -name pt_chown -exec chmod -s {} + - fi - - ################################################################# - # EVERYTHING AFTER THIS POINT IS FOR NATIVE GLIBC INSTALLS ONLY # - # Make sure we install some symlink hacks so that when we build - # a 2nd stage cross-compiler, gcc finds the target system - # headers correctly. See gcc/doc/gccinstall.info - if is_crosscompile ; then - # We need to make sure that /lib and /usr/lib always exists. - # gcc likes to use relative paths to get to its multilibs like - # /usr/lib/../lib64/. So while we don't install any files into - # /usr/lib/, we do need it to exist. - keepdir $(alt_prefix)/lib - keepdir $(alt_prefix)/usr/lib - - dosym usr/include $(alt_prefix)/sys-include - return 0 - fi - - # Files for Debian-style locale updating - dodir /usr/share/i18n - sed \ - -e "/^#/d" \ - -e "/SUPPORTED-LOCALES=/d" \ - -e "s: \\\\::g" -e "s:/: :g" \ - "${S}"/localedata/SUPPORTED > "${ED}"/usr/share/i18n/SUPPORTED \ - || die "generating /usr/share/i18n/SUPPORTED failed" - cd "${WORKDIR}"/extra/locale - dosbin locale-gen - doman *.[0-8] - insinto /etc - doins locale.gen - - keepdir /usr/lib/locale - - cd "${S}" - - # Install misc network config files - insinto /etc - doins posix/gai.conf - - if use systemd ; then - doins "${WORKDIR}/glibc-systemd-${GLIBC_SYSTEMD_VER}/gentoo-config/nsswitch.conf" - else - doins nss/nsswitch.conf - fi - - # Gentoo-specific - newins "${FILESDIR}"/host.conf-1 host.conf - - if use nscd ; then - doins nscd/nscd.conf - - newinitd "$(prefixify_ro "${FILESDIR}"/nscd-1)" nscd - - local nscd_args=( - -e "s:@PIDFILE@:$(strings "${ED}"/usr/sbin/nscd | grep nscd.pid):" - ) - - sed -i "${nscd_args[@]}" "${ED}"/etc/init.d/nscd - - use systemd && systemd_dounit nscd/nscd.service - newtmpfiles nscd/nscd.tmpfiles nscd.conf - fi - - echo 'LDPATH="include ld.so.conf.d/*.conf"' > "${T}"/00glibc - doenvd "${T}"/00glibc - - for d in BUGS ChangeLog CONFORMANCE FAQ NEWS NOTES PROJECTS README* ; do - [[ -s ${d} ]] && dodoc ${d} - done - dodoc -r ChangeLog.old - - # Prevent overwriting of the /etc/localtime symlink. We'll handle the - # creation of the "factory" symlink in pkg_postinst(). - rm -f "${ED}"/etc/localtime - - # Generate all locales if this is a native build as locale generation - if use compile-locales && ! is_crosscompile ; then - run_locale_gen --inplace-glibc "${ED}/" - sed -e 's:COMPILED_LOCALES="":COMPILED_LOCALES="1":' -i "${ED}"/usr/sbin/locale-gen || die - fi -} - -glibc_headers_install() { - local builddir=$(builddir "headers") - cd "${builddir}" - emake install_root="${D}/$(build_eprefix)$(alt_prefix)" install-headers - - insinto $(alt_headers)/gnu - doins "${S}"/include/gnu/stubs.h - - # Make sure we install the sys-include symlink so that when - # we build a 2nd stage cross-compiler, gcc finds the target - # system headers correctly. See gcc/doc/gccinstall.info - dosym usr/include $(alt_prefix)/sys-include -} - -src_install() { - if just_headers ; then - export ABI=default - glibc_headers_install - return - fi - - foreach_abi glibc_do_src_install - - if ! use static-libs ; then - einfo "Not installing static glibc libraries" - find "${ED}" -name "*.a" -and -not -name "*_nonshared.a" -delete - fi -} - -# Simple test to make sure our new glibc isn't completely broken. -# Make sure we don't test with statically built binaries since -# they will fail. Also, skip if this glibc is a cross compiler. -# -# If coreutils is built with USE=multicall, some of these files -# will just be wrapper scripts, not actual ELFs we can test. -glibc_sanity_check() { - cd / #228809 - - # We enter ${ED} so to avoid trouble if the path contains - # special characters; for instance if the path contains the - # colon character (:), then the linker will try to split it - # and look for the libraries in an unexpected place. This can - # lead to unsafe code execution if the generated prefix is - # within a world-writable directory. - # (e.g. /var/tmp/portage:${HOSTNAME}) - pushd "${ED}"/$(get_libdir) >/dev/null - - # first let's find the actual dynamic linker here - # symlinks may point to the wrong abi - local newldso=$(find . -maxdepth 1 -name 'ld*so.?' -type f -print -quit) - - einfo Last-minute run tests with ${newldso} in /$(get_libdir) ... - - local x striptest - for x in cal date env free ls true uname uptime ; do - x=$(type -p ${x}) - [[ -z ${x} || ${x} != ${EPREFIX}/* ]] && continue - striptest=$(LC_ALL="C" file -L ${x} 2>/dev/null) || continue - case ${striptest} in - *"statically linked"*) continue;; - *"ASCII text"*) continue;; - esac - # We need to clear the locale settings as the upgrade might want - # incompatible locale data. This test is not for verifying that. - LC_ALL=C \ - ${newldso} --library-path . ${x} > /dev/null \ - || die "simple run test (${x}) failed" - done - - popd >/dev/null -} - -pkg_preinst() { - # nothing to do if just installing headers - just_headers && return - - # prepare /etc/ld.so.conf.d/ for files - mkdir -p "${EROOT}"/etc/ld.so.conf.d - - # Default /etc/hosts.conf:multi to on for systems with small dbs. - if [[ $(wc -l < "${EROOT}"/etc/hosts) -lt 1000 ]] ; then - sed -i '/^multi off/s:off:on:' "${ED}"/etc/host.conf - einfo "Defaulting /etc/host.conf:multi to on" - fi - - [[ -n ${ROOT} ]] && return 0 - [[ -d ${ED}/$(get_libdir) ]] || return 0 - [[ -z ${BOOTSTRAP_RAP} ]] && glibc_sanity_check - - if [[ -L ${EROOT}/usr/lib/locale ]]; then - # Help portage migrate this to a directory - # https://bugs.gentoo.org/753740 - rm "${EROOT}"/usr/lib/locale || die - fi - - # Keep around libcrypt so that Perl doesn't break when merging libxcrypt - # (libxcrypt is the new provider for now of libcrypt.so.{1,2}). - # bug #802207 - if ! use crypt && has_version "${CATEGORY}/${PN}[crypt]" && ! has preserve-libs ${FEATURES}; then - PRESERVED_OLD_LIBCRYPT=1 - cp -p "${EROOT}/$(get_libdir)/libcrypt$(get_libname 1)" "${T}/libcrypt$(get_libname 1)" || die - else - PRESERVED_OLD_LIBCRYPT=0 - fi -} - -pkg_postinst() { - # nothing to do if just installing headers - just_headers && return - - if ! tc-is-cross-compiler && [[ -x ${EROOT}/usr/sbin/iconvconfig ]] ; then - # Generate fastloading iconv module configuration file. - "${EROOT}"/usr/sbin/iconvconfig --prefix="${ROOT}/" - fi - - if ! is_crosscompile && [[ -z ${ROOT} ]] ; then - use compile-locales || run_locale_gen "${EROOT}/" - fi - - upgrade_warning - - # Check for sanity of /etc/nsswitch.conf, take 2 - if [[ -e ${EROOT}/etc/nsswitch.conf ]] && ! has_version sys-auth/libnss-nis ; then - local entry - for entry in passwd group shadow; do - if egrep -q "^[ \t]*${entry}:.*nis" "${EROOT}"/etc/nsswitch.conf; then - ewarn "" - ewarn "Your ${EROOT}/etc/nsswitch.conf uses NIS. Support for that has been" - ewarn "removed from glibc and is now provided by the package" - ewarn " sys-auth/libnss-nis" - ewarn "Install it now to keep your NIS setup working." - ewarn "" - fi - done - fi - - if [[ ${PRESERVED_OLD_LIBCRYPT} -eq 1 ]] ; then - cp -p "${T}/libcrypt$(get_libname 1)" "${EROOT}/$(get_libdir)/libcrypt$(get_libname 1)" || die - preserve_old_lib_notify /$(get_libdir)/libcrypt$(get_libname 1) - - elog "Please ignore a possible later error message about a file collision involving" - elog "${EROOT}/$(get_libdir)/libcrypt$(get_libname 1). We need to preserve this file for the moment to keep" - elog "the upgrade working, but it also needs to be overwritten when" - elog "sys-libs/libxcrypt is installed. See bug 802210 for more details." - fi -} diff --git a/sys-libs/glibc/glibc-2.35-r2.ebuild b/sys-libs/glibc/glibc-2.35-r2.ebuild deleted file mode 100644 index 22e2d5153f19..000000000000 --- a/sys-libs/glibc/glibc-2.35-r2.ebuild +++ /dev/null @@ -1,1593 +0,0 @@ -# Copyright 1999-2022 Gentoo Authors -# Distributed under the terms of the GNU General Public License v2 - -EAPI=7 - -# Bumping notes: https://wiki.gentoo.org/wiki/Project:Toolchain/sys-libs/glibc -# Please read & adapt the page as necessary if obsolete. - -PYTHON_COMPAT=( python3_{8,9,10} ) -TMPFILES_OPTIONAL=1 - -inherit python-any-r1 prefix preserve-libs toolchain-funcs flag-o-matic gnuconfig \ - multilib systemd multiprocessing tmpfiles - -DESCRIPTION="GNU libc C library" -HOMEPAGE="https://www.gnu.org/software/libc/" -LICENSE="LGPL-2.1+ BSD HPND ISC inner-net rc PCRE" -SLOT="2.2" - -EMULTILIB_PKG="true" - -# Gentoo patchset (ignored for live ebuilds) -PATCH_VER=5 -PATCH_DEV=dilfridge - -if [[ ${PV} == 9999* ]]; then - inherit git-r3 -else - KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86" - SRC_URI="mirror://gnu/glibc/${P}.tar.xz" - SRC_URI+=" https://dev.gentoo.org/~${PATCH_DEV}/distfiles/${P}-patches-${PATCH_VER}.tar.xz" -fi - -RELEASE_VER=${PV} - -GCC_BOOTSTRAP_VER=20201208 - -LOCALE_GEN_VER=2.22 - -GLIBC_SYSTEMD_VER=20210729 - -SRC_URI+=" https://gitweb.gentoo.org/proj/locale-gen.git/snapshot/locale-gen-${LOCALE_GEN_VER}.tar.gz" -SRC_URI+=" multilib-bootstrap? ( https://dev.gentoo.org/~dilfridge/distfiles/gcc-multilib-bootstrap-${GCC_BOOTSTRAP_VER}.tar.xz )" -SRC_URI+=" systemd? ( https://gitweb.gentoo.org/proj/toolchain/glibc-systemd.git/snapshot/glibc-systemd-${GLIBC_SYSTEMD_VER}.tar.gz )" - -IUSE="audit caps cet +clone3 compile-locales +crypt custom-cflags doc gd headers-only +multiarch multilib multilib-bootstrap nscd profile selinux +ssp +static-libs suid systemd systemtap test vanilla" - -# Minimum kernel version that glibc requires -MIN_KERN_VER="3.2.0" -# Minimum pax-utils version needed (which contains any new syscall changes for -# its seccomp filter!). Please double check this! -MIN_PAX_UTILS_VER="1.3.3" - -# Here's how the cross-compile logic breaks down ... -# CTARGET - machine that will target the binaries -# CHOST - machine that will host the binaries -# CBUILD - machine that will build the binaries -# If CTARGET != CHOST, it means you want a libc for cross-compiling. -# If CHOST != CBUILD, it means you want to cross-compile the libc. -# CBUILD = CHOST = CTARGET - native build/install -# CBUILD != (CHOST = CTARGET) - cross-compile a native build -# (CBUILD = CHOST) != CTARGET - libc for cross-compiler -# CBUILD != CHOST != CTARGET - cross-compile a libc for a cross-compiler -# For install paths: -# CHOST = CTARGET - install into / -# CHOST != CTARGET - install into /usr/CTARGET/ -# -export CBUILD=${CBUILD:-${CHOST}} -export CTARGET=${CTARGET:-${CHOST}} -if [[ ${CTARGET} == ${CHOST} ]] ; then - if [[ ${CATEGORY} == cross-* ]] ; then - export CTARGET=${CATEGORY#cross-} - fi -fi - -# Note [Disable automatic stripping] -# Disabling automatic stripping for a few reasons: -# - portage's attempt to strip breaks non-native binaries at least on -# arm: bug #697428 -# - portage's attempt to strip libpthread.so.0 breaks gdb thread -# enumeration: bug #697910. This is quite subtle: -# * gdb uses glibc's libthread_db-1.0.so to enumerate threads. -# * libthread_db-1.0.so needs access to libpthread.so.0 local symbols -# via 'ps_pglobal_lookup' symbol defined in gdb. -# * 'ps_pglobal_lookup' uses '.symtab' section table to resolve all -# known symbols in 'libpthread.so.0'. Specifically 'nptl_version' -# (unexported) is used to sanity check compatibility before enabling -# debugging. -# Also see https://sourceware.org/gdb/wiki/FAQ#GDB_does_not_see_any_threads_besides_the_one_in_which_crash_occurred.3B_or_SIGTRAP_kills_my_program_when_I_set_a_breakpoint -# * normal 'strip' command trims '.symtab' -# Thus our main goal here is to prevent 'libpthread.so.0' from -# losing it's '.symtab' entries. -# As Gentoo's strip does not allow us to pass less aggressive stripping -# options and does not check the machine target we strip selectively. - -# We need a new-enough binutils/gcc to match upstream baseline. -# Also we need to make sure our binutils/gcc supports TLS, -# and that gcc already contains the hardened patches. -# Lastly, let's avoid some openssh nastiness, bug 708224, as -# convenience to our users. - -# gzip, grep, awk are needed by locale-gen, bug 740750 - -BDEPEND=" - ${PYTHON_DEPS} - >=app-misc/pax-utils-${MIN_PAX_UTILS_VER} - sys-devel/bison - doc? ( sys-apps/texinfo ) - !compile-locales? ( - app-arch/gzip - sys-apps/grep - virtual/awk - ) -" -COMMON_DEPEND=" - gd? ( media-libs/gd:2= ) - nscd? ( selinux? ( - audit? ( sys-process/audit ) - caps? ( sys-libs/libcap ) - ) ) - suid? ( caps? ( sys-libs/libcap ) ) - selinux? ( sys-libs/libselinux ) - systemtap? ( dev-util/systemtap ) -" -DEPEND="${COMMON_DEPEND} - compile-locales? ( - app-arch/gzip - sys-apps/grep - virtual/awk - ) - test? ( >=net-dns/libidn2-2.3.0 ) -" -RDEPEND="${COMMON_DEPEND} - app-arch/gzip - sys-apps/grep - virtual/awk - sys-apps/gentoo-functions - !' | $(tc-getCPP ${CTARGET}) ${CFLAGS} 2>&1 | grep -o '[^"]*linux/version.h') - ALT_BUILD_HEADERS=${header_path%/linux/version.h} - fi - fi - fi - echo "${ALT_BUILD_HEADERS}" -} - -alt_libdir() { - echo $(alt_prefix)/$(get_libdir) -} -alt_usrlibdir() { - echo $(alt_prefix)/usr/$(get_libdir) -} - -builddir() { - echo "${WORKDIR}/build-${ABI}-${CTARGET}-$1" -} - -do_compile_test() { - local ret save_cflags=${CFLAGS} - CFLAGS+=" $1" - shift - - pushd "${T}" >/dev/null - - rm -f glibc-test* - printf '%b' "$*" > glibc-test.c - - # We assume CC is already set up. - nonfatal emake glibc-test - ret=$? - - popd >/dev/null - - CFLAGS=${save_cflags} - return ${ret} -} - -do_run_test() { - local ret - - if [[ ${MERGE_TYPE} == "binary" ]] ; then - # ignore build failures when installing a binary package #324685 - do_compile_test "" "$@" 2>/dev/null || return 0 - else - if ! do_compile_test "" "$@" ; then - ewarn "Simple build failed ... assuming this is desired #324685" - return 0 - fi - fi - - pushd "${T}" >/dev/null - - ./glibc-test - ret=$? - rm -f glibc-test* - - popd >/dev/null - - return ${ret} -} - -setup_target_flags() { - # This largely mucks with compiler flags. None of which should matter - # when building up just the headers. - just_headers && return 0 - - case $(tc-arch) in - x86) - # -march needed for #185404 #199334 - # TODO: When creating the first glibc cross-compile, this test will - # always fail as it does a full link which in turn requires glibc. - # Probably also applies when changing multilib profile settings (e.g. - # enabling x86 when the profile was amd64-only previously). - # We could change main to _start and pass -nostdlib here so that we - # only test the gcc code compilation. Or we could do a compile and - # then look for the symbol via scanelf. - if ! do_compile_test "" 'void f(int i, void *p) {if (__sync_fetch_and_add(&i, 1)) f(i, p);}\nint main(){return 0;}\n'; then - local t=${CTARGET_OPT:-${CTARGET}} - t=${t%%-*} - filter-flags '-march=*' - export CFLAGS="-march=${t} ${CFLAGS}" - einfo "Auto adding -march=${t} to CFLAGS #185404" - fi - ;; - amd64) - # -march needed for #185404 #199334 - # TODO: See cross-compile issues listed above for x86. - [[ ${ABI} == x86 ]] && - if ! do_compile_test "${CFLAGS_x86}" 'void f(int i, void *p) {if (__sync_fetch_and_add(&i, 1)) f(i, p);}\nint main(){return 0;}\n'; then - local t=${CTARGET_OPT:-${CTARGET}} - t=${t%%-*} - # Normally the target is x86_64-xxx, so turn that into the -march that - # gcc actually accepts. #528708 - [[ ${t} == "x86_64" ]] && t="x86-64" - filter-flags '-march=*' - # ugly, ugly, ugly. ugly. - CFLAGS_x86=$(CFLAGS=${CFLAGS_x86} filter-flags '-march=*'; echo "${CFLAGS}") - export CFLAGS_x86="${CFLAGS_x86} -march=${t}" - einfo "Auto adding -march=${t} to CFLAGS_x86 #185404 (ABI=${ABI})" - fi - ;; - mips) - # The mips abi cannot support the GNU style hashes. #233233 - filter-ldflags -Wl,--hash-style=gnu -Wl,--hash-style=both - ;; - ppc|ppc64) - # Many arch-specific implementations do not work on ppc with - # cache-block not equal to 128 bytes. This breaks memset: - # https://sourceware.org/PR26522 - # https://bugs.gentoo.org/737996 - # Use default -mcpu=. For ppc it means non-multiarch setup. - filter-flags '-mcpu=*' - ;; - sparc) - # Both sparc and sparc64 can use -fcall-used-g6. -g7 is bad, though. - filter-flags "-fcall-used-g7" - append-flags "-fcall-used-g6" - - local cpu - case ${CTARGET} in - sparc64-*) - cpu="sparc64" - case $(get-flag mcpu) in - v9) - # We need to force at least v9a because the base build doesn't - # work with just v9. - # https://sourceware.org/bugzilla/show_bug.cgi?id=19477 - append-flags "-Wa,-xarch=v9a" - ;; - esac - ;; - sparc-*) - case $(get-flag mcpu) in - v8|supersparc|hypersparc|leon|leon3) - cpu="sparcv8" - ;; - *) - cpu="sparcv9" - ;; - esac - ;; - esac - [[ -n ${cpu} ]] && CTARGET_OPT="${cpu}-${CTARGET#*-}" - ;; - esac -} - -setup_flags() { - # Make sure host make.conf doesn't pollute us - if is_crosscompile || tc-is-cross-compiler ; then - CHOST=${CTARGET} strip-unsupported-flags - fi - - # Store our CFLAGS because it's changed depending on which CTARGET - # we are building when pulling glibc on a multilib profile - CFLAGS_BASE=${CFLAGS_BASE-${CFLAGS}} - CFLAGS=${CFLAGS_BASE} - CXXFLAGS_BASE=${CXXFLAGS_BASE-${CXXFLAGS}} - CXXFLAGS=${CXXFLAGS_BASE} - ASFLAGS_BASE=${ASFLAGS_BASE-${ASFLAGS}} - ASFLAGS=${ASFLAGS_BASE} - - # Allow users to explicitly avoid flag sanitization via - # USE=custom-cflags. - if ! use custom-cflags; then - # Over-zealous CFLAGS can often cause problems. What may work for one - # person may not work for another. To avoid a large influx of bugs - # relating to failed builds, we strip most CFLAGS out to ensure as few - # problems as possible. - strip-flags - # Lock glibc at -O2; we want to be conservative here. - filter-flags '-O?' - append-flags -O2 - fi - - strip-unsupported-flags - filter-flags -m32 -m64 '-mabi=*' - - # glibc aborts if rpath is set by LDFLAGS - filter-ldflags '-Wl,-rpath=*' - - # ld can't use -r & --relax at the same time, bug #788901 - # https://sourceware.org/PR27837 - filter-ldflags '-Wl,--relax' - - # #492892 - filter-flags -frecord-gcc-switches - - # #829583 - filter-lfs-flags - - unset CBUILD_OPT CTARGET_OPT - if use multilib ; then - CTARGET_OPT=$(get_abi_CTARGET) - [[ -z ${CTARGET_OPT} ]] && CTARGET_OPT=$(get_abi_CHOST) - fi - - setup_target_flags - - if [[ -n ${CTARGET_OPT} && ${CBUILD} == ${CHOST} ]] && ! is_crosscompile; then - CBUILD_OPT=${CTARGET_OPT} - fi - - # glibc's headers disallow -O0 and fail at build time: - # include/libc-symbols.h:75:3: #error "glibc cannot be compiled without optimization" - replace-flags -O0 -O1 - - filter-flags '-fstack-protector*' - - # See end of bug #830454; we handle this via USE=cet - filter-flags '-fcf-protection=' -} - -use_multiarch() { - # Allow user to disable runtime arch detection in multilib. - use multiarch || return 1 - # Make sure binutils is new enough to support indirect functions, - # #336792. This funky sed supports gold and bfd linkers. - local bver nver - bver=$($(tc-getLD ${CTARGET}) -v | sed -n -r '1{s:[^0-9]*::;s:^([0-9.]*).*:\1:;p}') - case $(tc-arch ${CTARGET}) in - amd64|x86) nver="2.20" ;; - arm) nver="2.22" ;; - hppa) nver="2.23" ;; - ppc|ppc64) nver="2.20" ;; - # ifunc support was added in 2.23, but glibc also needs - # machinemode which is in 2.24. - s390) nver="2.24" ;; - sparc) nver="2.21" ;; - *) return 1 ;; - esac - ver_test ${bver} -ge ${nver} -} - -# Setup toolchain variables that had historically been defined in the -# profiles for these archs. -setup_env() { - # silly users - unset LD_RUN_PATH - unset LD_ASSUME_KERNEL - - if is_crosscompile || tc-is-cross-compiler ; then - multilib_env ${CTARGET_OPT:-${CTARGET}} - - if ! use multilib ; then - MULTILIB_ABIS=${DEFAULT_ABI} - else - MULTILIB_ABIS=${MULTILIB_ABIS:-${DEFAULT_ABI}} - fi - - # If the user has CFLAGS_ in their make.conf, use that, - # and fall back on CFLAGS. - local VAR=CFLAGS_${CTARGET//[-.]/_} - CFLAGS=${!VAR-${CFLAGS}} - einfo " $(printf '%15s' 'Manual CFLAGS:') ${CFLAGS}" - fi - - setup_flags - - export ABI=${ABI:-${DEFAULT_ABI:-default}} - - if just_headers ; then - # Avoid mixing host's CC and target's CFLAGS_${ABI}: - # At this bootstrap stage we have only binutils for - # target but not compiler yet. - einfo "Skip CC ABI injection. We can't use (cross-)compiler yet." - return 0 - fi - - # Glibc does not work with gold (for various reasons) #269274. - tc-ld-disable-gold - - if use doc ; then - export MAKEINFO=makeinfo - else - export MAKEINFO=/dev/null - fi - - # Reset CC and CXX to the value at start of emerge - export CC=${__ORIG_CC:-${CC:-$(tc-getCC ${CTARGET})}} - export CXX=${__ORIG_CXX:-${CXX:-$(tc-getCXX ${CTARGET})}} - - # and make sure __ORIC_CC and __ORIG_CXX is defined now. - export __ORIG_CC=${CC} - export __ORIG_CXX=${CXX} - - if tc-is-clang && ! use custom-cflags && ! is_crosscompile ; then - - # If we are running in an otherwise clang/llvm environment, we need to - # recover the proper gcc and binutils settings here, at least until glibc - # is finally building with clang. So let's override everything that is - # set in the clang profiles. - # Want to shoot yourself into the foot? Set USE=custom-cflags, that's always - # a good start into that direction. - # Also, if you're crosscompiling, let's assume you know what you are doing. - # Hopefully. - # Last, we need the settings of the *build* environment, not of the - # target environment... - - local current_binutils_path=$(env ROOT="${BROOT}" binutils-config -B) - local current_gcc_path=$(env ROOT="${BROOT}" gcc-config -B) - einfo "Overriding clang configuration, since it won't work here" - - export CC="${current_gcc_path}/gcc" - export CXX="${current_gcc_path}/g++" - export LD="${current_binutils_path}/ld.bfd" - export AR="${current_binutils_path}/ar" - export AS="${current_binutils_path}/as" - export NM="${current_binutils_path}/nm" - export STRIP="${current_binutils_path}/strip" - export RANLIB="${current_binutils_path}/ranlib" - export OBJCOPY="${current_binutils_path}/objcopy" - export STRINGS="${current_binutils_path}/strings" - export OBJDUMP="${current_binutils_path}/objdump" - export READELF="${current_binutils_path}/readelf" - export ADDR2LINE="${current_binutils_path}/addr2line" - - # do we need to also do flags munging here? yes! at least... - filter-flags '-fuse-ld=*' - filter-flags '-D_FORTIFY_SOURCE=*' - - else - - # this is the "normal" case - - export CC="$(tc-getCC ${CTARGET})" - export CXX="$(tc-getCXX ${CTARGET})" - - # Always use tuple-prefixed toolchain. For non-native ABI glibc's configure - # can't detect them automatically due to ${CHOST} mismatch and fallbacks - # to unprefixed tools. Similar to multilib.eclass:multilib_toolchain_setup(). - export NM="$(tc-getNM ${CTARGET})" - export READELF="$(tc-getREADELF ${CTARGET})" - - fi - - # We need to export CFLAGS with abi information in them because glibc's - # configure script checks CFLAGS for some targets (like mips). Keep - # around the original clean value to avoid appending multiple ABIs on - # top of each other. (Why does the comment talk about CFLAGS if the code - # acts on CC?) - export __GLIBC_CC=${CC} - export __GLIBC_CXX=${CXX} - - export __abi_CFLAGS="$(get_abi_CFLAGS)" - - # CFLAGS can contain ABI-specific flags like -mfpu=neon, see bug #657760 - # To build .S (assembly) files with the same ABI-specific flags - # upstream currently recommends adding CFLAGS to CC/CXX: - # https://sourceware.org/PR23273 - # Note: Passing CFLAGS via CPPFLAGS overrides glibc's arch-specific CFLAGS - # and breaks multiarch support. See 659030#c3 for an example. - # The glibc configure script doesn't properly use LDFLAGS all the time. - export CC="${__GLIBC_CC} ${__abi_CFLAGS} ${CFLAGS} ${LDFLAGS}" - - # Some of the tests are written in C++, so we need to force our multlib abis in, bug 623548 - export CXX="${__GLIBC_CXX} ${__abi_CFLAGS} ${CFLAGS}" - - if is_crosscompile; then - # Assume worst-case bootstrap: glibc is buil first time - # when ${CTARGET}-g++ is not available yet. We avoid - # building auxiliary programs that require C++: bug #683074 - # It should not affect final result. - export libc_cv_cxx_link_ok=no - # The line above has the same effect. We set CXX explicitly - # to make build logs less confusing. - export CXX= - fi -} - -foreach_abi() { - setup_env - - local ret=0 - local abilist="" - if use multilib ; then - abilist=$(get_install_abis) - else - abilist=${DEFAULT_ABI} - fi - local -x ABI - for ABI in ${abilist:-default} ; do - setup_env - einfo "Running $1 for ABI ${ABI}" - $1 - : $(( ret |= $? )) - done - return ${ret} -} - -glibc_banner() { - local b="Gentoo ${PVR}" - [[ -n ${PATCH_VER} ]] && ! use vanilla && b+=" p${PATCH_VER}" - echo "${b}" -} - -# The following Kernel version handling functions are mostly copied from portage -# source. It's better not to use linux-info.eclass here since a) it adds too -# much magic, see bug 326693 for some of the arguments, and b) some of the -# functions are just not provided. - -g_get_running_KV() { - uname -r - return $? -} - -g_KV_major() { - [[ -z $1 ]] && return 1 - local KV=$@ - echo "${KV%%.*}" -} - -g_KV_minor() { - [[ -z $1 ]] && return 1 - local KV=$@ - KV=${KV#*.} - echo "${KV%%.*}" -} - -g_KV_micro() { - [[ -z $1 ]] && return 1 - local KV=$@ - KV=${KV#*.*.} - echo "${KV%%[^[:digit:]]*}" -} - -g_KV_to_int() { - [[ -z $1 ]] && return 1 - local KV_MAJOR=$(g_KV_major "$1") - local KV_MINOR=$(g_KV_minor "$1") - local KV_MICRO=$(g_KV_micro "$1") - local KV_int=$(( KV_MAJOR * 65536 + KV_MINOR * 256 + KV_MICRO )) - - # We make version 2.2.0 the minimum version we will handle as - # a sanity check ... if its less, we fail ... - if [[ ${KV_int} -ge 131584 ]] ; then - echo "${KV_int}" - return 0 - fi - return 1 -} - -g_int_to_KV() { - local version=$1 major minor micro - major=$((version / 65536)) - minor=$(((version % 65536) / 256)) - micro=$((version % 256)) - echo ${major}.${minor}.${micro} -} - -eend_KV() { - [[ $(g_KV_to_int $1) -ge $(g_KV_to_int $2) ]] - eend $? -} - -get_kheader_version() { - printf '#include \nLINUX_VERSION_CODE\n' | \ - $(tc-getCPP ${CTARGET}) -I "$(build_eprefix)$(alt_build_headers)" - | \ - tail -n 1 -} - -# We collect all sanity checks here. Consistency is not guranteed between -# pkg_ and src_ phases, so we call this function both in pkg_pretend and in -# src_unpack. -sanity_prechecks() { - # Prevent native builds from downgrading - if [[ ${MERGE_TYPE} != "buildonly" ]] && \ - [[ -z ${ROOT} ]] && \ - [[ ${CBUILD} == ${CHOST} ]] && \ - [[ ${CHOST} == ${CTARGET} ]] ; then - - # The high rev # is to allow people to downgrade between -r# - # versions. We want to block 2.20->2.19, but 2.20-r3->2.20-r2 - # should be fine. Hopefully we never actually use a r# this - # high. - if has_version ">${CATEGORY}/${P}-r10000" ; then - eerror "Sanity check to keep you from breaking your system:" - eerror " Downgrading glibc is not supported and a sure way to destruction." - [[ ${I_ALLOW_TO_BREAK_MY_SYSTEM} = yes ]] || die "Aborting to save your system." - fi - - if ! do_run_test '#include \n#include \nint main(){return syscall(1000)!=-1;}\n' ; then - eerror "Your old kernel is broken. You need to update it to a newer" - eerror "version as syscall() will break. See bug 279260." - die "Old and broken kernel." - fi - fi - - # Users have had a chance to phase themselves, time to give em the boot - if [[ -e ${EROOT}/etc/locale.gen ]] && [[ -e ${EROOT}/etc/locales.build ]] ; then - eerror "You still haven't deleted ${EROOT}/etc/locales.build." - eerror "Do so now after making sure ${EROOT}/etc/locale.gen is kosher." - die "Lazy upgrader detected" - fi - - if [[ ${CTARGET} == i386-* ]] ; then - eerror "i386 CHOSTs are no longer supported." - eerror "Chances are you don't actually want/need i386." - eerror "Please read https://www.gentoo.org/doc/en/change-chost.xml" - die "Please fix your CHOST" - fi - - if [[ -e /proc/xen ]] && [[ $(tc-arch) == "x86" ]] && ! is-flag -mno-tls-direct-seg-refs ; then - ewarn "You are using Xen but don't have -mno-tls-direct-seg-refs in your CFLAGS." - ewarn "This will result in a 50% performance penalty when running with a 32bit" - ewarn "hypervisor, which is probably not what you want." - fi - - # ABI-specific checks follow here. Hey, we have a lot more specific conditions that - # we test for... - if ! is_crosscompile ; then - if use amd64 && use multilib && [[ ${MERGE_TYPE} != "binary" ]] ; then - ebegin "Checking that IA32 emulation is enabled in the running kernel" - echo 'int main(){return 0;}' > "${T}/check-ia32-emulation.c" - local STAT - if ${CC-${CHOST}-gcc} ${CFLAGS_x86} "${T}/check-ia32-emulation.c" -o "${T}/check-ia32-emulation.elf32"; then - "${T}/check-ia32-emulation.elf32" - STAT=$? - else - # Don't fail here to allow single->multi ABI switch - # or recover from breakage like bug #646424 - ewarn "Failed to compile the ABI test. Broken host glibc?" - STAT=0 - fi - rm -f "${T}/check-ia32-emulation.elf32" - eend $STAT - [[ $STAT -eq 0 ]] || die "CONFIG_IA32_EMULATION must be enabled in the kernel to compile a multilib glibc." - fi - - fi - - # When we actually have to compile something... - if ! just_headers && [[ ${MERGE_TYPE} != "binary" ]] ; then - if [[ -d "${ESYSROOT}"/usr/lib/include ]] ; then - # bug #833620, bug #643302 - eerror "Found ${ESYSROOT}/usr/lib/include directory!" - eerror "This is known to break glibc's build." - eerror "Please backup its contents then remove the directory." - die "Found directory (${ESYSROOT}/usr/lib/include) which will break build (bug #833620)!" - fi - - if [[ ${CTARGET} == *-linux* ]] ; then - local run_kv build_kv want_kv - - run_kv=$(g_get_running_KV) - build_kv=$(g_int_to_KV $(get_kheader_version)) - want_kv=${MIN_KERN_VER} - - if ! is_crosscompile && ! tc-is-cross-compiler ; then - # Building fails on an non-supporting kernel - ebegin "Checking running kernel version (${run_kv} >= ${want_kv})" - if ! eend_KV ${run_kv} ${want_kv} ; then - echo - eerror "You need a kernel of at least ${want_kv}!" - die "Kernel version too low!" - fi - fi - - ebegin "Checking linux-headers version (${build_kv} >= ${want_kv})" - if ! eend_KV ${build_kv} ${want_kv} ; then - echo - eerror "You need linux-headers of at least ${want_kv}!" - die "linux-headers version too low!" - fi - fi - fi -} - -upgrade_warning() { - if [[ ${MERGE_TYPE} != buildonly && -n ${REPLACING_VERSIONS} && -z ${ROOT} ]]; then - local oldv newv=$(ver_cut 1-2 ${PV}) - for oldv in ${REPLACING_VERSIONS}; do - if ver_test ${oldv} -lt ${newv}; then - ewarn "After upgrading glibc, please restart all running processes." - ewarn "Be sure to include init (telinit u) or systemd (systemctl daemon-reexec)." - ewarn "Alternatively, reboot your system." - ewarn "(See bug #660556, bug #741116, bug #823756, etc)" - break - fi - done - fi -} - -# -# the phases -# - -# pkg_pretend - -pkg_pretend() { - upgrade_warning -} - -pkg_setup() { - # see bug 682570 - [[ -z ${BOOTSTRAP_RAP} ]] && python-any-r1_pkg_setup -} - -# src_unpack - -src_unpack() { - setup_env - - einfo "Checking general environment sanity." - sanity_prechecks - - use multilib-bootstrap && unpack gcc-multilib-bootstrap-${GCC_BOOTSTRAP_VER}.tar.xz - - if [[ ${PV} == 9999* ]] ; then - EGIT_REPO_URI="https://anongit.gentoo.org/git/proj/toolchain/glibc-patches.git" - EGIT_CHECKOUT_DIR=${WORKDIR}/patches-git - git-r3_src_unpack - mv patches-git/9999 patches || die - - EGIT_REPO_URI="https://sourceware.org/git/glibc.git" - EGIT_CHECKOUT_DIR=${S} - git-r3_src_unpack - else - unpack ${P}.tar.xz - - cd "${WORKDIR}" || die - unpack glibc-${RELEASE_VER}-patches-${PATCH_VER}.tar.xz - fi - - cd "${WORKDIR}" || die - unpack locale-gen-${LOCALE_GEN_VER}.tar.gz - use systemd && unpack glibc-systemd-${GLIBC_SYSTEMD_VER}.tar.gz -} - -src_prepare() { - local patchsetname - if ! use vanilla ; then - if [[ ${PV} == 9999* ]] ; then - patchsetname="from git master" - else - patchsetname="${RELEASE_VER}-${PATCH_VER}" - fi - einfo "Applying Gentoo Glibc Patchset ${patchsetname}" - eapply "${WORKDIR}"/patches - einfo "Done." - fi - - if use clone3 ; then - append-cppflags -DGENTOO_USE_CLONE3 - else - # See e.g. bug #827386, bug #819045. - elog "Disabling the clone3 syscall for compatibility with older Electron apps." - elog "Please re-enable this flag before filing bugs!" - fi - - default - - gnuconfig_update - - cd "${WORKDIR}" - find . -name configure -exec touch {} + - - # move the external locale-gen to its old place - mkdir extra || die - mv locale-gen-${LOCALE_GEN_VER} extra/locale || die - - eprefixify extra/locale/locale-gen - - # Fix permissions on some of the scripts. - chmod u+x "${S}"/scripts/*.sh - - cd "${S}" -} - -glibc_do_configure() { - - local v - for v in ABI CBUILD CHOST CTARGET CBUILD_OPT CTARGET_OPT CC CXX LD {AS,C,CPP,CXX,LD}FLAGS MAKEINFO NM AR AS STRIP RANLIB OBJCOPY STRINGS OBJDUMP READELF; do - einfo " $(printf '%15s' ${v}:) ${!v}" - done - - echo - local myconf=() - - # Use '=strong' instead of '=all' to protect only functions - # worth protecting from stack smashes. - myconf+=( --enable-stack-protector=$(usex ssp strong no) ) - - # Keep a whitelist of targets supporing IFUNC. glibc's ./configure - # is not robust enough to detect proper support: - # https://bugs.gentoo.org/641216 - # https://sourceware.org/PR22634#c0 - case $(tc-arch ${CTARGET}) in - # Keep whitelist of targets where autodetection mostly works. - amd64|x86|sparc|ppc|ppc64|arm|arm64|s390) ;; - # Blacklist everywhere else - *) myconf+=( libc_cv_ld_gnu_indirect_function=no ) ;; - esac - - # Enable Intel Control-flow Enforcement Technology on amd64 if requested - case ${CTARGET} in - x86_64-*) myconf+=( $(use_enable cet) ) ;; - *) ;; - esac - - [[ $(tc-is-softfloat) == "yes" ]] && myconf+=( --without-fp ) - - myconf+=( --enable-kernel=${MIN_KERN_VER} ) - - # Since SELinux support is only required for nscd, only enable it if: - # 1. USE selinux - # 2. only for the primary ABI on multilib systems - # 3. Not a crosscompile - if ! is_crosscompile && use selinux ; then - if use multilib ; then - if is_final_abi ; then - myconf+=( --with-selinux ) - else - myconf+=( --without-selinux ) - fi - else - myconf+=( --with-selinux ) - fi - else - myconf+=( --without-selinux ) - fi - - # Force a few tests where we always know the answer but - # configure is incapable of finding it. - if is_crosscompile ; then - export \ - libc_cv_c_cleanup=yes \ - libc_cv_forced_unwind=yes - fi - - myconf+=( - --disable-werror - --enable-bind-now - --build=${CBUILD_OPT:-${CBUILD}} - --host=${CTARGET_OPT:-${CTARGET}} - $(use_enable profile) - $(use_with gd) - --with-headers=$(build_eprefix)$(alt_build_headers) - --prefix="$(host_eprefix)/usr" - --sysconfdir="$(host_eprefix)/etc" - --localstatedir="$(host_eprefix)/var" - --libdir='$(prefix)'/$(get_libdir) - --mandir='$(prefix)'/share/man - --infodir='$(prefix)'/share/info - --libexecdir='$(libdir)'/misc/glibc - --with-bugurl=https://bugs.gentoo.org/ - --with-pkgversion="$(glibc_banner)" - $(use_enable crypt) - $(use_multiarch || echo --disable-multi-arch) - $(use_enable systemtap) - $(use_enable nscd) - - # locale data is arch-independent - # https://bugs.gentoo.org/753740 - libc_cv_complocaledir='${exec_prefix}/lib/locale' - - # -march= option tricks build system to infer too - # high ISA level: https://sourceware.org/PR27318 - libc_cv_include_x86_isa_level=no - # Explicit override of https://sourceware.org/PR27991 - # exposes a bug in glibc's configure: - # https://sourceware.org/PR27991 - libc_cv_have_x86_lahf_sahf=no - libc_cv_have_x86_movbe=no - - ${EXTRA_ECONF} - ) - - # We rely on sys-libs/timezone-data for timezone tools normally. - myconf+=( $(use_enable vanilla timezone-tools) ) - - # These libs don't have configure flags. - ac_cv_lib_audit_audit_log_user_avc_message=$(usex audit || echo no) - ac_cv_lib_cap_cap_init=$(usex caps || echo no) - - # There is no configure option for this and we need to export it - # since the glibc build will re-run configure on itself - export libc_cv_rootsbindir="$(host_eprefix)/sbin" - export libc_cv_slibdir="$(host_eprefix)/$(get_libdir)" - - # We take care of patching our binutils to use both hash styles, - # and many people like to force gnu hash style only, so disable - # this overriding check. #347761 - export libc_cv_hashstyle=no - - local builddir=$(builddir nptl) - mkdir -p "${builddir}" - cd "${builddir}" - set -- "${S}"/configure "${myconf[@]}" - echo "$@" - "$@" || die "failed to configure glibc" - - # ia64 static cross-compilers are a pita in so much that they - # can't produce static ELFs (as the libgcc.a is broken). so - # disable building of the programs for those targets if it - # doesn't work. - # XXX: We could turn this into a compiler test, but ia64 is - # the only one that matters, so this should be fine for now. - if is_crosscompile && [[ ${CTARGET} == ia64* ]] ; then - sed -i '1i+link-static = touch $@' config.make - fi - - # If we're trying to migrate between ABI sets, we need - # to lie and use a local copy of gcc. Like if the system - # is built with MULTILIB_ABIS="amd64 x86" but we want to - # add x32 to it, gcc/glibc don't yet support x32. - # - if [[ -n ${GCC_BOOTSTRAP_VER} ]] && use multilib-bootstrap ; then - echo 'main(){}' > "${T}"/test.c - if ! $(tc-getCC ${CTARGET}) ${CFLAGS} ${LDFLAGS} "${T}"/test.c -Wl,-emain -lgcc 2>/dev/null ; then - sed -i -e '/^CC = /s:$: -B$(objdir)/../'"gcc-multilib-bootstrap-${GCC_BOOTSTRAP_VER}/${ABI}:" config.make || die - fi - fi -} - -glibc_headers_configure() { - export ABI=default - - local builddir=$(builddir "headers") - mkdir -p "${builddir}" - cd "${builddir}" - - # if we don't have a compiler yet, we can't really test it now ... - # hopefully they don't affect header generation, so let's hope for - # the best here ... - local v vars=( - ac_cv_header_cpuid_h=yes - libc_cv_{386,390,alpha,arm,hppa,ia64,mips,{powerpc,sparc}{,32,64},sh,x86_64}_tls=yes - libc_cv_asm_cfi_directives=yes - libc_cv_broken_visibility_attribute=no - libc_cv_c_cleanup=yes - libc_cv_compiler_powerpc64le_binary128_ok=yes - libc_cv_forced_unwind=yes - libc_cv_gcc___thread=yes - libc_cv_mlong_double_128=yes - libc_cv_mlong_double_128ibm=yes - libc_cv_ppc_machine=yes - libc_cv_ppc_rel16=yes - libc_cv_predef_fortify_source=no - libc_cv_target_power8_ok=yes - libc_cv_visibility_attribute=yes - libc_cv_z_combreloc=yes - libc_cv_z_execstack=yes - libc_cv_z_initfirst=yes - libc_cv_z_nodelete=yes - libc_cv_z_nodlopen=yes - libc_cv_z_relro=yes - libc_mips_abi=${ABI} - libc_mips_float=$([[ $(tc-is-softfloat) == "yes" ]] && echo soft || echo hard) - # These libs don't have configure flags. - ac_cv_lib_audit_audit_log_user_avc_message=no - ac_cv_lib_cap_cap_init=no - ) - - einfo "Forcing cached settings:" - for v in "${vars[@]}" ; do - einfo " ${v}" - export ${v} - done - - local headers_only_arch_CPPFLAGS=() - - # Blow away some random CC settings that screw things up. #550192 - if [[ -d ${S}/sysdeps/mips ]]; then - pushd "${S}"/sysdeps/mips >/dev/null - sed -i -e '/^CC +=/s:=.*:= -D_MIPS_SZPTR=32:' mips32/Makefile mips64/n32/Makefile || die - sed -i -e '/^CC +=/s:=.*:= -D_MIPS_SZPTR=64:' mips64/n64/Makefile || die - - # Force the mips ABI to the default. This is OK because the set of - # installed headers in this phase is the same between the 3 ABIs. - # If this ever changes, this hack will break, but that's unlikely - # as glibc discourages that behavior. - # https://crbug.com/647033 - sed -i -e 's:abiflag=.*:abiflag=_ABIO32:' preconfigure || die - - popd >/dev/null - fi - - case ${CTARGET} in - riscv*) - # RISC-V interrogates the compiler to determine which target to - # build. If building the headers then we don't strictly need a - # RISC-V compiler, so the built-in definitions that are provided - # along with all RISC-V compiler might not exist. This causes - # glibc's RISC-V preconfigure script to blow up. Since we're just - # building the headers any value will actually work here, so just - # pick the standard one (rv64g/lp64d) to make the build scripts - # happy for now -- the headers are all the same anyway so it - # doesn't matter. - headers_only_arch_CPPFLAGS+=( - -D__riscv_xlen=64 - -D__riscv_flen=64 - -D__riscv_float_abi_double=1 - -D__riscv_atomic=1 - ) ;; - esac - - local myconf=() - myconf+=( - --disable-sanity-checks - --enable-hacker-mode - --disable-werror - --enable-bind-now - --build=${CBUILD_OPT:-${CBUILD}} - --host=${CTARGET_OPT:-${CTARGET}} - --with-headers=$(build_eprefix)$(alt_build_headers) - --prefix="$(host_eprefix)/usr" - ${EXTRA_ECONF} - ) - - # Nothing is compiled here which would affect the headers for the target. - # So forcing CC/CFLAGS is sane. - local headers_only_CC=$(tc-getBUILD_CC) - local headers_only_CFLAGS="-O1 -pipe" - local headers_only_CPPFLAGS="-U_FORTIFY_SOURCE ${headers_only_arch_CPPFLAGS[*]}" - local headers_only_LDFLAGS="" - set -- "${S}"/configure "${myconf[@]}" - echo \ - "CC=${headers_only_CC}" \ - "CFLAGS=${headers_only_CFLAGS}" \ - "CPPFLAGS=${headers_only_CPPFLAGS}" \ - "LDFLAGS=${headers_only_LDFLAGS}" \ - "$@" - CC=${headers_only_CC} \ - CFLAGS=${headers_only_CFLAGS} \ - CPPFLAGS=${headers_only_CPPFLAGS} \ - LDFLAGS="" \ - "$@" || die "failed to configure glibc" -} - -do_src_configure() { - if just_headers ; then - glibc_headers_configure - else - glibc_do_configure nptl - fi -} - -src_configure() { - foreach_abi do_src_configure -} - -do_src_compile() { - emake -C "$(builddir nptl)" -} - -src_compile() { - if just_headers ; then - return - fi - - foreach_abi do_src_compile -} - -glibc_src_test() { - cd "$(builddir nptl)" - - local myxfailparams="" - if [[ "${GENTOO_GLIBC_XFAIL_TESTS}" == "yes" ]] ; then - for myt in ${XFAIL_TEST_LIST[@]} ; do - myxfailparams+="test-xfail-${myt}=yes " - done - fi - - # sandbox does not understand unshare() and prevents - # writes to /proc/, which makes many tests fail - - SANDBOX_ON=0 LD_PRELOAD= emake ${myxfailparams} check -} - -do_src_test() { - local ret=0 - - glibc_src_test - : $(( ret |= $? )) - - return ${ret} -} - -src_test() { - if just_headers ; then - return - fi - - # Give tests more time to complete. - export TIMEOUTFACTOR=5 - - foreach_abi do_src_test || die "tests failed" -} - -run_locale_gen() { - # if the host locales.gen contains no entries, we'll install everything - local root="$1" - local inplace="" - - if [[ "${root}" == "--inplace-glibc" ]] ; then - inplace="--inplace-glibc" - root="$2" - fi - - local locale_list="${root%/}/etc/locale.gen" - - pushd "${ED}"/$(get_libdir) >/dev/null - - if [[ -z $(locale-gen --list --config "${locale_list}") ]] ; then - [[ -z ${inplace} ]] && ewarn "Generating all locales; edit /etc/locale.gen to save time/space" - locale_list="${root%/}/usr/share/i18n/SUPPORTED" - fi - - set -- locale-gen ${inplace} --jobs $(makeopts_jobs) --config "${locale_list}" \ - --destdir "${root}" - echo "$@" - "$@" - - popd >/dev/null -} - -glibc_do_src_install() { - local builddir=$(builddir nptl) - cd "${builddir}" - - emake install_root="${D}/$(build_eprefix)$(alt_prefix)" install - - # This version (2.26) provides some compatibility libraries for the NIS/NIS+ support - # which come without headers etc. Only needed for binary packages since the - # external net-libs/libnsl has increased soversion. Keep only versioned libraries. - find "${D}" -name "libnsl.a" -delete - find "${D}" -name "libnsl.so" -delete - - # Normally upstream_pv is ${PV}. Live ebuilds are exception, there we need - # to infer upstream version: - # '#define VERSION "2.26.90"' -> '2.26.90' - local upstream_pv=$(sed -n -r 's/#define VERSION "(.*)"/\1/p' "${S}"/version.h) - - # Avoid stripping binaries not targeted by ${CHOST}. Or else - # ${CHOST}-strip would break binaries build for ${CTARGET}. - is_crosscompile && dostrip -x / - # gdb thread introspection relies on local libpthreas symbols. stripping breaks it - # See Note [Disable automatic stripping] - dostrip -x $(alt_libdir)/libpthread-${upstream_pv}.so - - if [[ -e ${ED}/$(alt_usrlibdir)/libm-${upstream_pv}.a ]] ; then - # Move versioned .a file out of libdir to evade portage QA checks - # instead of using gen_usr_ldscript(). We fix ldscript as: - # "GROUP ( /usr/lib64/libm-.a ..." -> "GROUP ( /usr/lib64/glibc-/libm-.a ..." - sed -i "s@\(libm-${upstream_pv}.a\)@${P}/\1@" "${ED}"/$(alt_usrlibdir)/libm.a || die - dodir $(alt_usrlibdir)/${P} - mv "${ED}"/$(alt_usrlibdir)/libm-${upstream_pv}.a "${ED}"/$(alt_usrlibdir)/${P}/libm-${upstream_pv}.a || die - fi - - # We'll take care of the cache ourselves - rm -f "${ED}"/etc/ld.so.cache - - # Everything past this point just needs to be done once ... - is_final_abi || return 0 - - # Make sure the non-native interp can be found on multilib systems even - # if the main library set isn't installed into the right place. Maybe - # we should query the active gcc for info instead of hardcoding it ? - local i ldso_abi ldso_name - local ldso_abi_list=( - # x86 - amd64 /lib64/ld-linux-x86-64.so.2 - x32 /libx32/ld-linux-x32.so.2 - x86 /lib/ld-linux.so.2 - # mips - o32 /lib/ld.so.1 - n32 /lib32/ld.so.1 - n64 /lib64/ld.so.1 - # powerpc - ppc /lib/ld.so.1 - # riscv - ilp32d /lib/ld-linux-riscv32-ilp32d.so.1 - ilp32 /lib/ld-linux-riscv32-ilp32.so.1 - lp64d /lib/ld-linux-riscv64-lp64d.so.1 - lp64 /lib/ld-linux-riscv64-lp64.so.1 - # s390 - s390 /lib/ld.so.1 - s390x /lib/ld64.so.1 - # sparc - sparc32 /lib/ld-linux.so.2 - sparc64 /lib64/ld-linux.so.2 - ) - case $(tc-endian) in - little) - ldso_abi_list+=( - # arm - arm64 /lib/ld-linux-aarch64.so.1 - # ELFv2 (glibc does not support ELFv1 on LE) - ppc64 /lib64/ld64.so.2 - ) - ;; - big) - ldso_abi_list+=( - # arm - arm64 /lib/ld-linux-aarch64_be.so.1 - # ELFv1 (glibc does not support ELFv2 on BE) - ppc64 /lib64/ld64.so.1 - ) - ;; - esac - if [[ ${SYMLINK_LIB} == "yes" ]] && [[ ! -e ${ED}/$(alt_prefix)/lib ]] ; then - dosym $(get_abi_LIBDIR ${DEFAULT_ABI}) $(alt_prefix)/lib - fi - for (( i = 0; i < ${#ldso_abi_list[@]}; i += 2 )) ; do - ldso_abi=${ldso_abi_list[i]} - has ${ldso_abi} $(get_install_abis) || continue - - ldso_name="$(alt_prefix)${ldso_abi_list[i+1]}" - if [[ ! -L ${ED}/${ldso_name} && ! -e ${ED}/${ldso_name} ]] ; then - dosym ../$(get_abi_LIBDIR ${ldso_abi})/${ldso_name##*/} ${ldso_name} - fi - done - - # In the LSB 5.0 definition, someone had the excellent idea to "standardize" - # the runtime loader name, see also https://xkcd.com/927/ - # Normally, in Gentoo one should never come across executables that require this. - # However, binary commercial packages are known to adhere to weird practices. - # https://refspecs.linuxfoundation.org/LSB_5.0.0/LSB-Core-AMD64/LSB-Core-AMD64.html#BASELIB - local lsb_ldso_name native_ldso_name lsb_ldso_abi - local lsb_ldso_abi_list=( - # x86 - amd64 ld-linux-x86-64.so.2 ld-lsb-x86-64.so.3 - ) - for (( i = 0; i < ${#lsb_ldso_abi_list[@]}; i += 3 )) ; do - lsb_ldso_abi=${lsb_ldso_abi_list[i]} - native_ldso_name=${lsb_ldso_abi_list[i+1]} - lsb_ldso_name=${lsb_ldso_abi_list[i+2]} - has ${lsb_ldso_abi} $(get_install_abis) || continue - - if [[ ! -L ${ED}/$(get_abi_LIBDIR ${lsb_ldso_abi})/${lsb_ldso_name} && ! -e ${ED}/$(get_abi_LIBDIR ${lsb_ldso_abi})/${lsb_ldso_name} ]] ; then - dosym ${native_ldso_name} "$(alt_prefix)/$(get_abi_LIBDIR ${lsb_ldso_abi})/${lsb_ldso_name}" - fi - done - - # With devpts under Linux mounted properly, we do not need the pt_chown - # binary to be setuid. This is because the default owners/perms will be - # exactly what we want. - if ! use suid ; then - find "${ED}" -name pt_chown -exec chmod -s {} + - fi - - ################################################################# - # EVERYTHING AFTER THIS POINT IS FOR NATIVE GLIBC INSTALLS ONLY # - # Make sure we install some symlink hacks so that when we build - # a 2nd stage cross-compiler, gcc finds the target system - # headers correctly. See gcc/doc/gccinstall.info - if is_crosscompile ; then - # We need to make sure that /lib and /usr/lib always exists. - # gcc likes to use relative paths to get to its multilibs like - # /usr/lib/../lib64/. So while we don't install any files into - # /usr/lib/, we do need it to exist. - keepdir $(alt_prefix)/lib - keepdir $(alt_prefix)/usr/lib - - dosym usr/include $(alt_prefix)/sys-include - return 0 - fi - - # Files for Debian-style locale updating - dodir /usr/share/i18n - sed \ - -e "/^#/d" \ - -e "/SUPPORTED-LOCALES=/d" \ - -e "s: \\\\::g" -e "s:/: :g" \ - "${S}"/localedata/SUPPORTED > "${ED}"/usr/share/i18n/SUPPORTED \ - || die "generating /usr/share/i18n/SUPPORTED failed" - cd "${WORKDIR}"/extra/locale - dosbin locale-gen - doman *.[0-8] - insinto /etc - doins locale.gen - - keepdir /usr/lib/locale - - cd "${S}" - - # Install misc network config files - insinto /etc - doins posix/gai.conf - - if use systemd ; then - doins "${WORKDIR}/glibc-systemd-${GLIBC_SYSTEMD_VER}/gentoo-config/nsswitch.conf" - else - doins nss/nsswitch.conf - fi - - # Gentoo-specific - newins "${FILESDIR}"/host.conf-1 host.conf - - if use nscd ; then - doins nscd/nscd.conf - - newinitd "$(prefixify_ro "${FILESDIR}"/nscd-1)" nscd - - local nscd_args=( - -e "s:@PIDFILE@:$(strings "${ED}"/usr/sbin/nscd | grep nscd.pid):" - ) - - sed -i "${nscd_args[@]}" "${ED}"/etc/init.d/nscd - - use systemd && systemd_dounit nscd/nscd.service - newtmpfiles nscd/nscd.tmpfiles nscd.conf - fi - - echo 'LDPATH="include ld.so.conf.d/*.conf"' > "${T}"/00glibc - doenvd "${T}"/00glibc - - for d in BUGS ChangeLog CONFORMANCE FAQ NEWS NOTES PROJECTS README* ; do - [[ -s ${d} ]] && dodoc ${d} - done - dodoc -r ChangeLog.old - - # Prevent overwriting of the /etc/localtime symlink. We'll handle the - # creation of the "factory" symlink in pkg_postinst(). - rm -f "${ED}"/etc/localtime - - # Generate all locales if this is a native build as locale generation - if use compile-locales && ! is_crosscompile ; then - run_locale_gen --inplace-glibc "${ED}/" - sed -e 's:COMPILED_LOCALES="":COMPILED_LOCALES="1":' -i "${ED}"/usr/sbin/locale-gen || die - fi -} - -glibc_headers_install() { - local builddir=$(builddir "headers") - cd "${builddir}" - emake install_root="${D}/$(build_eprefix)$(alt_prefix)" install-headers - - insinto $(alt_headers)/gnu - doins "${S}"/include/gnu/stubs.h - - # Make sure we install the sys-include symlink so that when - # we build a 2nd stage cross-compiler, gcc finds the target - # system headers correctly. See gcc/doc/gccinstall.info - dosym usr/include $(alt_prefix)/sys-include -} - -src_install() { - if just_headers ; then - export ABI=default - glibc_headers_install - return - fi - - foreach_abi glibc_do_src_install - - if ! use static-libs ; then - einfo "Not installing static glibc libraries" - find "${ED}" -name "*.a" -and -not -name "*_nonshared.a" -delete - fi -} - -# Simple test to make sure our new glibc isn't completely broken. -# Make sure we don't test with statically built binaries since -# they will fail. Also, skip if this glibc is a cross compiler. -# -# If coreutils is built with USE=multicall, some of these files -# will just be wrapper scripts, not actual ELFs we can test. -glibc_sanity_check() { - cd / #228809 - - # We enter ${ED} so to avoid trouble if the path contains - # special characters; for instance if the path contains the - # colon character (:), then the linker will try to split it - # and look for the libraries in an unexpected place. This can - # lead to unsafe code execution if the generated prefix is - # within a world-writable directory. - # (e.g. /var/tmp/portage:${HOSTNAME}) - pushd "${ED}"/$(get_libdir) >/dev/null - - # first let's find the actual dynamic linker here - # symlinks may point to the wrong abi - local newldso=$(find . -maxdepth 1 -name 'ld*so.?' -type f -print -quit) - - einfo Last-minute run tests with ${newldso} in /$(get_libdir) ... - - local x striptest - for x in cal date env free ls true uname uptime ; do - x=$(type -p ${x}) - [[ -z ${x} || ${x} != ${EPREFIX}/* ]] && continue - striptest=$(LC_ALL="C" file -L ${x} 2>/dev/null) || continue - case ${striptest} in - *"statically linked"*) continue;; - *"ASCII text"*) continue;; - esac - # We need to clear the locale settings as the upgrade might want - # incompatible locale data. This test is not for verifying that. - LC_ALL=C \ - ${newldso} --library-path . ${x} > /dev/null \ - || die "simple run test (${x}) failed" - done - - popd >/dev/null -} - -pkg_preinst() { - # nothing to do if just installing headers - just_headers && return - - # prepare /etc/ld.so.conf.d/ for files - mkdir -p "${EROOT}"/etc/ld.so.conf.d - - # Default /etc/hosts.conf:multi to on for systems with small dbs. - if [[ $(wc -l < "${EROOT}"/etc/hosts) -lt 1000 ]] ; then - sed -i '/^multi off/s:off:on:' "${ED}"/etc/host.conf - einfo "Defaulting /etc/host.conf:multi to on" - fi - - [[ -n ${ROOT} ]] && return 0 - [[ -d ${ED}/$(get_libdir) ]] || return 0 - [[ -z ${BOOTSTRAP_RAP} ]] && glibc_sanity_check - - if [[ -L ${EROOT}/usr/lib/locale ]]; then - # Help portage migrate this to a directory - # https://bugs.gentoo.org/753740 - rm "${EROOT}"/usr/lib/locale || die - fi - - # Keep around libcrypt so that Perl doesn't break when merging libxcrypt - # (libxcrypt is the new provider for now of libcrypt.so.{1,2}). - # bug #802207 - if ! use crypt && has_version "${CATEGORY}/${PN}[crypt]" && ! has preserve-libs ${FEATURES}; then - PRESERVED_OLD_LIBCRYPT=1 - cp -p "${EROOT}/$(get_libdir)/libcrypt$(get_libname 1)" "${T}/libcrypt$(get_libname 1)" || die - else - PRESERVED_OLD_LIBCRYPT=0 - fi -} - -pkg_postinst() { - # nothing to do if just installing headers - just_headers && return - - if ! tc-is-cross-compiler && [[ -x ${EROOT}/usr/sbin/iconvconfig ]] ; then - # Generate fastloading iconv module configuration file. - "${EROOT}"/usr/sbin/iconvconfig --prefix="${ROOT}/" - fi - - if ! is_crosscompile && [[ -z ${ROOT} ]] ; then - use compile-locales || run_locale_gen "${EROOT}/" - fi - - upgrade_warning - - # Check for sanity of /etc/nsswitch.conf, take 2 - if [[ -e ${EROOT}/etc/nsswitch.conf ]] && ! has_version sys-auth/libnss-nis ; then - local entry - for entry in passwd group shadow; do - if egrep -q "^[ \t]*${entry}:.*nis" "${EROOT}"/etc/nsswitch.conf; then - ewarn "" - ewarn "Your ${EROOT}/etc/nsswitch.conf uses NIS. Support for that has been" - ewarn "removed from glibc and is now provided by the package" - ewarn " sys-auth/libnss-nis" - ewarn "Install it now to keep your NIS setup working." - ewarn "" - fi - done - fi - - if [[ ${PRESERVED_OLD_LIBCRYPT} -eq 1 ]] ; then - cp -p "${T}/libcrypt$(get_libname 1)" "${EROOT}/$(get_libdir)/libcrypt$(get_libname 1)" || die - preserve_old_lib_notify /$(get_libdir)/libcrypt$(get_libname 1) - - elog "Please ignore a possible later error message about a file collision involving" - elog "${EROOT}/$(get_libdir)/libcrypt$(get_libname 1). We need to preserve this file for the moment to keep" - elog "the upgrade working, but it also needs to be overwritten when" - elog "sys-libs/libxcrypt is installed. See bug 802210 for more details." - fi -} diff --git a/sys-libs/glibc/glibc-2.35-r3.ebuild b/sys-libs/glibc/glibc-2.35-r3.ebuild new file mode 100644 index 000000000000..7040d0738b6a --- /dev/null +++ b/sys-libs/glibc/glibc-2.35-r3.ebuild @@ -0,0 +1,1601 @@ +# Copyright 1999-2022 Gentoo Authors +# Distributed under the terms of the GNU General Public License v2 + +EAPI=7 + +# Bumping notes: https://wiki.gentoo.org/wiki/Project:Toolchain/sys-libs/glibc +# Please read & adapt the page as necessary if obsolete. + +PYTHON_COMPAT=( python3_{8,9,10} ) +TMPFILES_OPTIONAL=1 + +inherit python-any-r1 prefix preserve-libs toolchain-funcs flag-o-matic gnuconfig \ + multilib systemd multiprocessing tmpfiles + +DESCRIPTION="GNU libc C library" +HOMEPAGE="https://www.gnu.org/software/libc/" +LICENSE="LGPL-2.1+ BSD HPND ISC inner-net rc PCRE" +SLOT="2.2" + +EMULTILIB_PKG="true" + +# Gentoo patchset (ignored for live ebuilds) +PATCH_VER=6 +PATCH_DEV=dilfridge + +if [[ ${PV} == 9999* ]]; then + inherit git-r3 +else + KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86" + SRC_URI="mirror://gnu/glibc/${P}.tar.xz" + SRC_URI+=" https://dev.gentoo.org/~${PATCH_DEV}/distfiles/${P}-patches-${PATCH_VER}.tar.xz" + SRC_URI+=" experimental-loong? ( https://dev.gentoo.org/~xen0n/distfiles/glibc-2.35-loongarch-patches-20220422.tar.xz )" +fi + +RELEASE_VER=${PV} + +GCC_BOOTSTRAP_VER=20201208 + +LOCALE_GEN_VER=2.22 + +GLIBC_SYSTEMD_VER=20210729 + +SRC_URI+=" https://gitweb.gentoo.org/proj/locale-gen.git/snapshot/locale-gen-${LOCALE_GEN_VER}.tar.gz" +SRC_URI+=" multilib-bootstrap? ( https://dev.gentoo.org/~dilfridge/distfiles/gcc-multilib-bootstrap-${GCC_BOOTSTRAP_VER}.tar.xz )" +SRC_URI+=" systemd? ( https://gitweb.gentoo.org/proj/toolchain/glibc-systemd.git/snapshot/glibc-systemd-${GLIBC_SYSTEMD_VER}.tar.gz )" + +IUSE="audit caps cet +clone3 compile-locales +crypt custom-cflags doc experimental-loong gd headers-only +multiarch multilib multilib-bootstrap nscd profile selinux +ssp +static-libs suid systemd systemtap test vanilla" + +# Minimum kernel version that glibc requires +MIN_KERN_VER="3.2.0" +# Minimum pax-utils version needed (which contains any new syscall changes for +# its seccomp filter!). Please double check this! +MIN_PAX_UTILS_VER="1.3.3" + +# Here's how the cross-compile logic breaks down ... +# CTARGET - machine that will target the binaries +# CHOST - machine that will host the binaries +# CBUILD - machine that will build the binaries +# If CTARGET != CHOST, it means you want a libc for cross-compiling. +# If CHOST != CBUILD, it means you want to cross-compile the libc. +# CBUILD = CHOST = CTARGET - native build/install +# CBUILD != (CHOST = CTARGET) - cross-compile a native build +# (CBUILD = CHOST) != CTARGET - libc for cross-compiler +# CBUILD != CHOST != CTARGET - cross-compile a libc for a cross-compiler +# For install paths: +# CHOST = CTARGET - install into / +# CHOST != CTARGET - install into /usr/CTARGET/ +# +export CBUILD=${CBUILD:-${CHOST}} +export CTARGET=${CTARGET:-${CHOST}} +if [[ ${CTARGET} == ${CHOST} ]] ; then + if [[ ${CATEGORY} == cross-* ]] ; then + export CTARGET=${CATEGORY#cross-} + fi +fi + +# Note [Disable automatic stripping] +# Disabling automatic stripping for a few reasons: +# - portage's attempt to strip breaks non-native binaries at least on +# arm: bug #697428 +# - portage's attempt to strip libpthread.so.0 breaks gdb thread +# enumeration: bug #697910. This is quite subtle: +# * gdb uses glibc's libthread_db-1.0.so to enumerate threads. +# * libthread_db-1.0.so needs access to libpthread.so.0 local symbols +# via 'ps_pglobal_lookup' symbol defined in gdb. +# * 'ps_pglobal_lookup' uses '.symtab' section table to resolve all +# known symbols in 'libpthread.so.0'. Specifically 'nptl_version' +# (unexported) is used to sanity check compatibility before enabling +# debugging. +# Also see https://sourceware.org/gdb/wiki/FAQ#GDB_does_not_see_any_threads_besides_the_one_in_which_crash_occurred.3B_or_SIGTRAP_kills_my_program_when_I_set_a_breakpoint +# * normal 'strip' command trims '.symtab' +# Thus our main goal here is to prevent 'libpthread.so.0' from +# losing it's '.symtab' entries. +# As Gentoo's strip does not allow us to pass less aggressive stripping +# options and does not check the machine target we strip selectively. + +# We need a new-enough binutils/gcc to match upstream baseline. +# Also we need to make sure our binutils/gcc supports TLS, +# and that gcc already contains the hardened patches. +# Lastly, let's avoid some openssh nastiness, bug 708224, as +# convenience to our users. + +# gzip, grep, awk are needed by locale-gen, bug 740750 + +BDEPEND=" + ${PYTHON_DEPS} + >=app-misc/pax-utils-${MIN_PAX_UTILS_VER} + sys-devel/bison + doc? ( sys-apps/texinfo ) + !compile-locales? ( + app-arch/gzip + sys-apps/grep + virtual/awk + ) +" +COMMON_DEPEND=" + gd? ( media-libs/gd:2= ) + nscd? ( selinux? ( + audit? ( sys-process/audit ) + caps? ( sys-libs/libcap ) + ) ) + suid? ( caps? ( sys-libs/libcap ) ) + selinux? ( sys-libs/libselinux ) + systemtap? ( dev-util/systemtap ) +" +DEPEND="${COMMON_DEPEND} + compile-locales? ( + app-arch/gzip + sys-apps/grep + virtual/awk + ) + test? ( >=net-dns/libidn2-2.3.0 ) +" +RDEPEND="${COMMON_DEPEND} + app-arch/gzip + sys-apps/grep + virtual/awk + sys-apps/gentoo-functions + !' | $(tc-getCPP ${CTARGET}) ${CFLAGS} 2>&1 | grep -o '[^"]*linux/version.h') + ALT_BUILD_HEADERS=${header_path%/linux/version.h} + fi + fi + fi + echo "${ALT_BUILD_HEADERS}" +} + +alt_libdir() { + echo $(alt_prefix)/$(get_libdir) +} +alt_usrlibdir() { + echo $(alt_prefix)/usr/$(get_libdir) +} + +builddir() { + echo "${WORKDIR}/build-${ABI}-${CTARGET}-$1" +} + +do_compile_test() { + local ret save_cflags=${CFLAGS} + CFLAGS+=" $1" + shift + + pushd "${T}" >/dev/null + + rm -f glibc-test* + printf '%b' "$*" > glibc-test.c + + # We assume CC is already set up. + nonfatal emake glibc-test + ret=$? + + popd >/dev/null + + CFLAGS=${save_cflags} + return ${ret} +} + +do_run_test() { + local ret + + if [[ ${MERGE_TYPE} == "binary" ]] ; then + # ignore build failures when installing a binary package #324685 + do_compile_test "" "$@" 2>/dev/null || return 0 + else + if ! do_compile_test "" "$@" ; then + ewarn "Simple build failed ... assuming this is desired #324685" + return 0 + fi + fi + + pushd "${T}" >/dev/null + + ./glibc-test + ret=$? + rm -f glibc-test* + + popd >/dev/null + + return ${ret} +} + +setup_target_flags() { + # This largely mucks with compiler flags. None of which should matter + # when building up just the headers. + just_headers && return 0 + + case $(tc-arch) in + x86) + # -march needed for #185404 #199334 + # TODO: When creating the first glibc cross-compile, this test will + # always fail as it does a full link which in turn requires glibc. + # Probably also applies when changing multilib profile settings (e.g. + # enabling x86 when the profile was amd64-only previously). + # We could change main to _start and pass -nostdlib here so that we + # only test the gcc code compilation. Or we could do a compile and + # then look for the symbol via scanelf. + if ! do_compile_test "" 'void f(int i, void *p) {if (__sync_fetch_and_add(&i, 1)) f(i, p);}\nint main(){return 0;}\n'; then + local t=${CTARGET_OPT:-${CTARGET}} + t=${t%%-*} + filter-flags '-march=*' + export CFLAGS="-march=${t} ${CFLAGS}" + einfo "Auto adding -march=${t} to CFLAGS #185404" + fi + ;; + amd64) + # -march needed for #185404 #199334 + # TODO: See cross-compile issues listed above for x86. + [[ ${ABI} == x86 ]] && + if ! do_compile_test "${CFLAGS_x86}" 'void f(int i, void *p) {if (__sync_fetch_and_add(&i, 1)) f(i, p);}\nint main(){return 0;}\n'; then + local t=${CTARGET_OPT:-${CTARGET}} + t=${t%%-*} + # Normally the target is x86_64-xxx, so turn that into the -march that + # gcc actually accepts. #528708 + [[ ${t} == "x86_64" ]] && t="x86-64" + filter-flags '-march=*' + # ugly, ugly, ugly. ugly. + CFLAGS_x86=$(CFLAGS=${CFLAGS_x86} filter-flags '-march=*'; echo "${CFLAGS}") + export CFLAGS_x86="${CFLAGS_x86} -march=${t}" + einfo "Auto adding -march=${t} to CFLAGS_x86 #185404 (ABI=${ABI})" + fi + ;; + mips) + # The mips abi cannot support the GNU style hashes. #233233 + filter-ldflags -Wl,--hash-style=gnu -Wl,--hash-style=both + ;; + ppc|ppc64) + # Many arch-specific implementations do not work on ppc with + # cache-block not equal to 128 bytes. This breaks memset: + # https://sourceware.org/PR26522 + # https://bugs.gentoo.org/737996 + # Use default -mcpu=. For ppc it means non-multiarch setup. + filter-flags '-mcpu=*' + ;; + sparc) + # Both sparc and sparc64 can use -fcall-used-g6. -g7 is bad, though. + filter-flags "-fcall-used-g7" + append-flags "-fcall-used-g6" + + local cpu + case ${CTARGET} in + sparc64-*) + cpu="sparc64" + case $(get-flag mcpu) in + v9) + # We need to force at least v9a because the base build doesn't + # work with just v9. + # https://sourceware.org/bugzilla/show_bug.cgi?id=19477 + append-flags "-Wa,-xarch=v9a" + ;; + esac + ;; + sparc-*) + case $(get-flag mcpu) in + v8|supersparc|hypersparc|leon|leon3) + cpu="sparcv8" + ;; + *) + cpu="sparcv9" + ;; + esac + ;; + esac + [[ -n ${cpu} ]] && CTARGET_OPT="${cpu}-${CTARGET#*-}" + ;; + esac +} + +setup_flags() { + # Make sure host make.conf doesn't pollute us + if is_crosscompile || tc-is-cross-compiler ; then + CHOST=${CTARGET} strip-unsupported-flags + fi + + # Store our CFLAGS because it's changed depending on which CTARGET + # we are building when pulling glibc on a multilib profile + CFLAGS_BASE=${CFLAGS_BASE-${CFLAGS}} + CFLAGS=${CFLAGS_BASE} + CXXFLAGS_BASE=${CXXFLAGS_BASE-${CXXFLAGS}} + CXXFLAGS=${CXXFLAGS_BASE} + ASFLAGS_BASE=${ASFLAGS_BASE-${ASFLAGS}} + ASFLAGS=${ASFLAGS_BASE} + + # Allow users to explicitly avoid flag sanitization via + # USE=custom-cflags. + if ! use custom-cflags; then + # Over-zealous CFLAGS can often cause problems. What may work for one + # person may not work for another. To avoid a large influx of bugs + # relating to failed builds, we strip most CFLAGS out to ensure as few + # problems as possible. + strip-flags + # Lock glibc at -O2; we want to be conservative here. + filter-flags '-O?' + append-flags -O2 + fi + + strip-unsupported-flags + filter-flags -m32 -m64 '-mabi=*' + + # glibc aborts if rpath is set by LDFLAGS + filter-ldflags '-Wl,-rpath=*' + + # ld can't use -r & --relax at the same time, bug #788901 + # https://sourceware.org/PR27837 + filter-ldflags '-Wl,--relax' + + # #492892 + filter-flags -frecord-gcc-switches + + # #829583 + filter-lfs-flags + + unset CBUILD_OPT CTARGET_OPT + if use multilib ; then + CTARGET_OPT=$(get_abi_CTARGET) + [[ -z ${CTARGET_OPT} ]] && CTARGET_OPT=$(get_abi_CHOST) + fi + + setup_target_flags + + if [[ -n ${CTARGET_OPT} && ${CBUILD} == ${CHOST} ]] && ! is_crosscompile; then + CBUILD_OPT=${CTARGET_OPT} + fi + + # glibc's headers disallow -O0 and fail at build time: + # include/libc-symbols.h:75:3: #error "glibc cannot be compiled without optimization" + replace-flags -O0 -O1 + + filter-flags '-fstack-protector*' + + # See end of bug #830454; we handle this via USE=cet + filter-flags '-fcf-protection=' +} + +use_multiarch() { + # Allow user to disable runtime arch detection in multilib. + use multiarch || return 1 + # Make sure binutils is new enough to support indirect functions, + # #336792. This funky sed supports gold and bfd linkers. + local bver nver + bver=$($(tc-getLD ${CTARGET}) -v | sed -n -r '1{s:[^0-9]*::;s:^([0-9.]*).*:\1:;p}') + case $(tc-arch ${CTARGET}) in + amd64|x86) nver="2.20" ;; + arm) nver="2.22" ;; + hppa) nver="2.23" ;; + ppc|ppc64) nver="2.20" ;; + # ifunc support was added in 2.23, but glibc also needs + # machinemode which is in 2.24. + s390) nver="2.24" ;; + sparc) nver="2.21" ;; + *) return 1 ;; + esac + ver_test ${bver} -ge ${nver} +} + +# Setup toolchain variables that had historically been defined in the +# profiles for these archs. +setup_env() { + # silly users + unset LD_RUN_PATH + unset LD_ASSUME_KERNEL + + if is_crosscompile || tc-is-cross-compiler ; then + multilib_env ${CTARGET_OPT:-${CTARGET}} + + if ! use multilib ; then + MULTILIB_ABIS=${DEFAULT_ABI} + else + MULTILIB_ABIS=${MULTILIB_ABIS:-${DEFAULT_ABI}} + fi + + # If the user has CFLAGS_ in their make.conf, use that, + # and fall back on CFLAGS. + local VAR=CFLAGS_${CTARGET//[-.]/_} + CFLAGS=${!VAR-${CFLAGS}} + einfo " $(printf '%15s' 'Manual CFLAGS:') ${CFLAGS}" + fi + + setup_flags + + export ABI=${ABI:-${DEFAULT_ABI:-default}} + + if just_headers ; then + # Avoid mixing host's CC and target's CFLAGS_${ABI}: + # At this bootstrap stage we have only binutils for + # target but not compiler yet. + einfo "Skip CC ABI injection. We can't use (cross-)compiler yet." + return 0 + fi + + # Glibc does not work with gold (for various reasons) #269274. + tc-ld-disable-gold + + if use doc ; then + export MAKEINFO=makeinfo + else + export MAKEINFO=/dev/null + fi + + # Reset CC and CXX to the value at start of emerge + export CC=${__ORIG_CC:-${CC:-$(tc-getCC ${CTARGET})}} + export CXX=${__ORIG_CXX:-${CXX:-$(tc-getCXX ${CTARGET})}} + + # and make sure __ORIC_CC and __ORIG_CXX is defined now. + export __ORIG_CC=${CC} + export __ORIG_CXX=${CXX} + + if tc-is-clang && ! use custom-cflags && ! is_crosscompile ; then + + # If we are running in an otherwise clang/llvm environment, we need to + # recover the proper gcc and binutils settings here, at least until glibc + # is finally building with clang. So let's override everything that is + # set in the clang profiles. + # Want to shoot yourself into the foot? Set USE=custom-cflags, that's always + # a good start into that direction. + # Also, if you're crosscompiling, let's assume you know what you are doing. + # Hopefully. + # Last, we need the settings of the *build* environment, not of the + # target environment... + + local current_binutils_path=$(env ROOT="${BROOT}" binutils-config -B) + local current_gcc_path=$(env ROOT="${BROOT}" gcc-config -B) + einfo "Overriding clang configuration, since it won't work here" + + export CC="${current_gcc_path}/gcc" + export CXX="${current_gcc_path}/g++" + export LD="${current_binutils_path}/ld.bfd" + export AR="${current_binutils_path}/ar" + export AS="${current_binutils_path}/as" + export NM="${current_binutils_path}/nm" + export STRIP="${current_binutils_path}/strip" + export RANLIB="${current_binutils_path}/ranlib" + export OBJCOPY="${current_binutils_path}/objcopy" + export STRINGS="${current_binutils_path}/strings" + export OBJDUMP="${current_binutils_path}/objdump" + export READELF="${current_binutils_path}/readelf" + export ADDR2LINE="${current_binutils_path}/addr2line" + + # do we need to also do flags munging here? yes! at least... + filter-flags '-fuse-ld=*' + filter-flags '-D_FORTIFY_SOURCE=*' + + else + + # this is the "normal" case + + export CC="$(tc-getCC ${CTARGET})" + export CXX="$(tc-getCXX ${CTARGET})" + + # Always use tuple-prefixed toolchain. For non-native ABI glibc's configure + # can't detect them automatically due to ${CHOST} mismatch and fallbacks + # to unprefixed tools. Similar to multilib.eclass:multilib_toolchain_setup(). + export NM="$(tc-getNM ${CTARGET})" + export READELF="$(tc-getREADELF ${CTARGET})" + + fi + + # We need to export CFLAGS with abi information in them because glibc's + # configure script checks CFLAGS for some targets (like mips). Keep + # around the original clean value to avoid appending multiple ABIs on + # top of each other. (Why does the comment talk about CFLAGS if the code + # acts on CC?) + export __GLIBC_CC=${CC} + export __GLIBC_CXX=${CXX} + + export __abi_CFLAGS="$(get_abi_CFLAGS)" + + # CFLAGS can contain ABI-specific flags like -mfpu=neon, see bug #657760 + # To build .S (assembly) files with the same ABI-specific flags + # upstream currently recommends adding CFLAGS to CC/CXX: + # https://sourceware.org/PR23273 + # Note: Passing CFLAGS via CPPFLAGS overrides glibc's arch-specific CFLAGS + # and breaks multiarch support. See 659030#c3 for an example. + # The glibc configure script doesn't properly use LDFLAGS all the time. + export CC="${__GLIBC_CC} ${__abi_CFLAGS} ${CFLAGS} ${LDFLAGS}" + + # Some of the tests are written in C++, so we need to force our multlib abis in, bug 623548 + export CXX="${__GLIBC_CXX} ${__abi_CFLAGS} ${CFLAGS}" + + if is_crosscompile; then + # Assume worst-case bootstrap: glibc is buil first time + # when ${CTARGET}-g++ is not available yet. We avoid + # building auxiliary programs that require C++: bug #683074 + # It should not affect final result. + export libc_cv_cxx_link_ok=no + # The line above has the same effect. We set CXX explicitly + # to make build logs less confusing. + export CXX= + fi +} + +foreach_abi() { + setup_env + + local ret=0 + local abilist="" + if use multilib ; then + abilist=$(get_install_abis) + else + abilist=${DEFAULT_ABI} + fi + local -x ABI + for ABI in ${abilist:-default} ; do + setup_env + einfo "Running $1 for ABI ${ABI}" + $1 + : $(( ret |= $? )) + done + return ${ret} +} + +glibc_banner() { + local b="Gentoo ${PVR}" + [[ -n ${PATCH_VER} ]] && ! use vanilla && b+=" p${PATCH_VER}" + echo "${b}" +} + +# The following Kernel version handling functions are mostly copied from portage +# source. It's better not to use linux-info.eclass here since a) it adds too +# much magic, see bug 326693 for some of the arguments, and b) some of the +# functions are just not provided. + +g_get_running_KV() { + uname -r + return $? +} + +g_KV_major() { + [[ -z $1 ]] && return 1 + local KV=$@ + echo "${KV%%.*}" +} + +g_KV_minor() { + [[ -z $1 ]] && return 1 + local KV=$@ + KV=${KV#*.} + echo "${KV%%.*}" +} + +g_KV_micro() { + [[ -z $1 ]] && return 1 + local KV=$@ + KV=${KV#*.*.} + echo "${KV%%[^[:digit:]]*}" +} + +g_KV_to_int() { + [[ -z $1 ]] && return 1 + local KV_MAJOR=$(g_KV_major "$1") + local KV_MINOR=$(g_KV_minor "$1") + local KV_MICRO=$(g_KV_micro "$1") + local KV_int=$(( KV_MAJOR * 65536 + KV_MINOR * 256 + KV_MICRO )) + + # We make version 2.2.0 the minimum version we will handle as + # a sanity check ... if its less, we fail ... + if [[ ${KV_int} -ge 131584 ]] ; then + echo "${KV_int}" + return 0 + fi + return 1 +} + +g_int_to_KV() { + local version=$1 major minor micro + major=$((version / 65536)) + minor=$(((version % 65536) / 256)) + micro=$((version % 256)) + echo ${major}.${minor}.${micro} +} + +eend_KV() { + [[ $(g_KV_to_int $1) -ge $(g_KV_to_int $2) ]] + eend $? +} + +get_kheader_version() { + printf '#include \nLINUX_VERSION_CODE\n' | \ + $(tc-getCPP ${CTARGET}) -I "$(build_eprefix)$(alt_build_headers)" - | \ + tail -n 1 +} + +# We collect all sanity checks here. Consistency is not guranteed between +# pkg_ and src_ phases, so we call this function both in pkg_pretend and in +# src_unpack. +sanity_prechecks() { + # Prevent native builds from downgrading + if [[ ${MERGE_TYPE} != "buildonly" ]] && \ + [[ -z ${ROOT} ]] && \ + [[ ${CBUILD} == ${CHOST} ]] && \ + [[ ${CHOST} == ${CTARGET} ]] ; then + + # The high rev # is to allow people to downgrade between -r# + # versions. We want to block 2.20->2.19, but 2.20-r3->2.20-r2 + # should be fine. Hopefully we never actually use a r# this + # high. + if has_version ">${CATEGORY}/${P}-r10000" ; then + eerror "Sanity check to keep you from breaking your system:" + eerror " Downgrading glibc is not supported and a sure way to destruction." + [[ ${I_ALLOW_TO_BREAK_MY_SYSTEM} = yes ]] || die "Aborting to save your system." + fi + + if ! do_run_test '#include \n#include \nint main(){return syscall(1000)!=-1;}\n' ; then + eerror "Your old kernel is broken. You need to update it to a newer" + eerror "version as syscall() will break. See bug 279260." + die "Old and broken kernel." + fi + fi + + # Users have had a chance to phase themselves, time to give em the boot + if [[ -e ${EROOT}/etc/locale.gen ]] && [[ -e ${EROOT}/etc/locales.build ]] ; then + eerror "You still haven't deleted ${EROOT}/etc/locales.build." + eerror "Do so now after making sure ${EROOT}/etc/locale.gen is kosher." + die "Lazy upgrader detected" + fi + + if [[ ${CTARGET} == i386-* ]] ; then + eerror "i386 CHOSTs are no longer supported." + eerror "Chances are you don't actually want/need i386." + eerror "Please read https://www.gentoo.org/doc/en/change-chost.xml" + die "Please fix your CHOST" + fi + + if [[ -e /proc/xen ]] && [[ $(tc-arch) == "x86" ]] && ! is-flag -mno-tls-direct-seg-refs ; then + ewarn "You are using Xen but don't have -mno-tls-direct-seg-refs in your CFLAGS." + ewarn "This will result in a 50% performance penalty when running with a 32bit" + ewarn "hypervisor, which is probably not what you want." + fi + + # ABI-specific checks follow here. Hey, we have a lot more specific conditions that + # we test for... + if ! is_crosscompile ; then + if use amd64 && use multilib && [[ ${MERGE_TYPE} != "binary" ]] ; then + ebegin "Checking that IA32 emulation is enabled in the running kernel" + echo 'int main(){return 0;}' > "${T}/check-ia32-emulation.c" + local STAT + if ${CC-${CHOST}-gcc} ${CFLAGS_x86} "${T}/check-ia32-emulation.c" -o "${T}/check-ia32-emulation.elf32"; then + "${T}/check-ia32-emulation.elf32" + STAT=$? + else + # Don't fail here to allow single->multi ABI switch + # or recover from breakage like bug #646424 + ewarn "Failed to compile the ABI test. Broken host glibc?" + STAT=0 + fi + rm -f "${T}/check-ia32-emulation.elf32" + eend $STAT + [[ $STAT -eq 0 ]] || die "CONFIG_IA32_EMULATION must be enabled in the kernel to compile a multilib glibc." + fi + + fi + + # When we actually have to compile something... + if ! just_headers && [[ ${MERGE_TYPE} != "binary" ]] ; then + if [[ -d "${ESYSROOT}"/usr/lib/include ]] ; then + # bug #833620, bug #643302 + eerror "Found ${ESYSROOT}/usr/lib/include directory!" + eerror "This is known to break glibc's build." + eerror "Please backup its contents then remove the directory." + die "Found directory (${ESYSROOT}/usr/lib/include) which will break build (bug #833620)!" + fi + + if [[ ${CTARGET} == *-linux* ]] ; then + local run_kv build_kv want_kv + + run_kv=$(g_get_running_KV) + build_kv=$(g_int_to_KV $(get_kheader_version)) + want_kv=${MIN_KERN_VER} + + if ! is_crosscompile && ! tc-is-cross-compiler ; then + # Building fails on an non-supporting kernel + ebegin "Checking running kernel version (${run_kv} >= ${want_kv})" + if ! eend_KV ${run_kv} ${want_kv} ; then + echo + eerror "You need a kernel of at least ${want_kv}!" + die "Kernel version too low!" + fi + fi + + ebegin "Checking linux-headers version (${build_kv} >= ${want_kv})" + if ! eend_KV ${build_kv} ${want_kv} ; then + echo + eerror "You need linux-headers of at least ${want_kv}!" + die "linux-headers version too low!" + fi + fi + fi +} + +upgrade_warning() { + if [[ ${MERGE_TYPE} != buildonly && -n ${REPLACING_VERSIONS} && -z ${ROOT} ]]; then + local oldv newv=$(ver_cut 1-2 ${PV}) + for oldv in ${REPLACING_VERSIONS}; do + if ver_test ${oldv} -lt ${newv}; then + ewarn "After upgrading glibc, please restart all running processes." + ewarn "Be sure to include init (telinit u) or systemd (systemctl daemon-reexec)." + ewarn "Alternatively, reboot your system." + ewarn "(See bug #660556, bug #741116, bug #823756, etc)" + break + fi + done + fi +} + +# +# the phases +# + +# pkg_pretend + +pkg_pretend() { + upgrade_warning +} + +pkg_setup() { + # see bug 682570 + [[ -z ${BOOTSTRAP_RAP} ]] && python-any-r1_pkg_setup +} + +# src_unpack + +src_unpack() { + setup_env + + einfo "Checking general environment sanity." + sanity_prechecks + + use multilib-bootstrap && unpack gcc-multilib-bootstrap-${GCC_BOOTSTRAP_VER}.tar.xz + + if [[ ${PV} == 9999* ]] ; then + EGIT_REPO_URI="https://anongit.gentoo.org/git/proj/toolchain/glibc-patches.git" + EGIT_CHECKOUT_DIR=${WORKDIR}/patches-git + git-r3_src_unpack + mv patches-git/9999 patches || die + + EGIT_REPO_URI="https://sourceware.org/git/glibc.git" + EGIT_CHECKOUT_DIR=${S} + git-r3_src_unpack + else + unpack ${P}.tar.xz + + cd "${WORKDIR}" || die + unpack glibc-${RELEASE_VER}-patches-${PATCH_VER}.tar.xz + use experimental-loong && unpack glibc-2.35-loongarch-patches-20220422.tar.xz + fi + + cd "${WORKDIR}" || die + unpack locale-gen-${LOCALE_GEN_VER}.tar.gz + use systemd && unpack glibc-systemd-${GLIBC_SYSTEMD_VER}.tar.gz +} + +src_prepare() { + local patchsetname + if ! use vanilla ; then + if [[ ${PV} == 9999* ]] ; then + patchsetname="from git master" + else + patchsetname="${RELEASE_VER}-${PATCH_VER}" + fi + einfo "Applying Gentoo Glibc Patchset ${patchsetname}" + eapply "${WORKDIR}"/patches + einfo "Done." + + if use experimental-loong ; then + einfo "Applying experimental LoongArch patchset" + eapply "${WORKDIR}"/loongarch-2.35 + einfo "Done." + fi + fi + + if use clone3 ; then + append-cppflags -DGENTOO_USE_CLONE3 + else + # See e.g. bug #827386, bug #819045. + elog "Disabling the clone3 syscall for compatibility with older Electron apps." + elog "Please re-enable this flag before filing bugs!" + fi + + default + + gnuconfig_update + + cd "${WORKDIR}" + find . -name configure -exec touch {} + + + # move the external locale-gen to its old place + mkdir extra || die + mv locale-gen-${LOCALE_GEN_VER} extra/locale || die + + eprefixify extra/locale/locale-gen + + # Fix permissions on some of the scripts. + chmod u+x "${S}"/scripts/*.sh + + cd "${S}" +} + +glibc_do_configure() { + + local v + for v in ABI CBUILD CHOST CTARGET CBUILD_OPT CTARGET_OPT CC CXX LD {AS,C,CPP,CXX,LD}FLAGS MAKEINFO NM AR AS STRIP RANLIB OBJCOPY STRINGS OBJDUMP READELF; do + einfo " $(printf '%15s' ${v}:) ${!v}" + done + + echo + local myconf=() + + # Use '=strong' instead of '=all' to protect only functions + # worth protecting from stack smashes. + myconf+=( --enable-stack-protector=$(usex ssp strong no) ) + + # Keep a whitelist of targets supporing IFUNC. glibc's ./configure + # is not robust enough to detect proper support: + # https://bugs.gentoo.org/641216 + # https://sourceware.org/PR22634#c0 + case $(tc-arch ${CTARGET}) in + # Keep whitelist of targets where autodetection mostly works. + amd64|x86|sparc|ppc|ppc64|arm|arm64|s390) ;; + # Blacklist everywhere else + *) myconf+=( libc_cv_ld_gnu_indirect_function=no ) ;; + esac + + # Enable Intel Control-flow Enforcement Technology on amd64 if requested + case ${CTARGET} in + x86_64-*) myconf+=( $(use_enable cet) ) ;; + *) ;; + esac + + [[ $(tc-is-softfloat) == "yes" ]] && myconf+=( --without-fp ) + + myconf+=( --enable-kernel=${MIN_KERN_VER} ) + + # Since SELinux support is only required for nscd, only enable it if: + # 1. USE selinux + # 2. only for the primary ABI on multilib systems + # 3. Not a crosscompile + if ! is_crosscompile && use selinux ; then + if use multilib ; then + if is_final_abi ; then + myconf+=( --with-selinux ) + else + myconf+=( --without-selinux ) + fi + else + myconf+=( --with-selinux ) + fi + else + myconf+=( --without-selinux ) + fi + + # Force a few tests where we always know the answer but + # configure is incapable of finding it. + if is_crosscompile ; then + export \ + libc_cv_c_cleanup=yes \ + libc_cv_forced_unwind=yes + fi + + myconf+=( + --disable-werror + --enable-bind-now + --build=${CBUILD_OPT:-${CBUILD}} + --host=${CTARGET_OPT:-${CTARGET}} + $(use_enable profile) + $(use_with gd) + --with-headers=$(build_eprefix)$(alt_build_headers) + --prefix="$(host_eprefix)/usr" + --sysconfdir="$(host_eprefix)/etc" + --localstatedir="$(host_eprefix)/var" + --libdir='$(prefix)'/$(get_libdir) + --mandir='$(prefix)'/share/man + --infodir='$(prefix)'/share/info + --libexecdir='$(libdir)'/misc/glibc + --with-bugurl=https://bugs.gentoo.org/ + --with-pkgversion="$(glibc_banner)" + $(use_enable crypt) + $(use_multiarch || echo --disable-multi-arch) + $(use_enable systemtap) + $(use_enable nscd) + + # locale data is arch-independent + # https://bugs.gentoo.org/753740 + libc_cv_complocaledir='${exec_prefix}/lib/locale' + + # -march= option tricks build system to infer too + # high ISA level: https://sourceware.org/PR27318 + libc_cv_include_x86_isa_level=no + # Explicit override of https://sourceware.org/PR27991 + # exposes a bug in glibc's configure: + # https://sourceware.org/PR27991 + libc_cv_have_x86_lahf_sahf=no + libc_cv_have_x86_movbe=no + + ${EXTRA_ECONF} + ) + + # We rely on sys-libs/timezone-data for timezone tools normally. + myconf+=( $(use_enable vanilla timezone-tools) ) + + # These libs don't have configure flags. + ac_cv_lib_audit_audit_log_user_avc_message=$(usex audit || echo no) + ac_cv_lib_cap_cap_init=$(usex caps || echo no) + + # There is no configure option for this and we need to export it + # since the glibc build will re-run configure on itself + export libc_cv_rootsbindir="$(host_eprefix)/sbin" + export libc_cv_slibdir="$(host_eprefix)/$(get_libdir)" + + # We take care of patching our binutils to use both hash styles, + # and many people like to force gnu hash style only, so disable + # this overriding check. #347761 + export libc_cv_hashstyle=no + + local builddir=$(builddir nptl) + mkdir -p "${builddir}" + cd "${builddir}" + set -- "${S}"/configure "${myconf[@]}" + echo "$@" + "$@" || die "failed to configure glibc" + + # ia64 static cross-compilers are a pita in so much that they + # can't produce static ELFs (as the libgcc.a is broken). so + # disable building of the programs for those targets if it + # doesn't work. + # XXX: We could turn this into a compiler test, but ia64 is + # the only one that matters, so this should be fine for now. + if is_crosscompile && [[ ${CTARGET} == ia64* ]] ; then + sed -i '1i+link-static = touch $@' config.make + fi + + # If we're trying to migrate between ABI sets, we need + # to lie and use a local copy of gcc. Like if the system + # is built with MULTILIB_ABIS="amd64 x86" but we want to + # add x32 to it, gcc/glibc don't yet support x32. + # + if [[ -n ${GCC_BOOTSTRAP_VER} ]] && use multilib-bootstrap ; then + echo 'main(){}' > "${T}"/test.c + if ! $(tc-getCC ${CTARGET}) ${CFLAGS} ${LDFLAGS} "${T}"/test.c -Wl,-emain -lgcc 2>/dev/null ; then + sed -i -e '/^CC = /s:$: -B$(objdir)/../'"gcc-multilib-bootstrap-${GCC_BOOTSTRAP_VER}/${ABI}:" config.make || die + fi + fi +} + +glibc_headers_configure() { + export ABI=default + + local builddir=$(builddir "headers") + mkdir -p "${builddir}" + cd "${builddir}" + + # if we don't have a compiler yet, we can't really test it now ... + # hopefully they don't affect header generation, so let's hope for + # the best here ... + local v vars=( + ac_cv_header_cpuid_h=yes + libc_cv_{386,390,alpha,arm,hppa,ia64,mips,{powerpc,sparc}{,32,64},sh,x86_64}_tls=yes + libc_cv_asm_cfi_directives=yes + libc_cv_broken_visibility_attribute=no + libc_cv_c_cleanup=yes + libc_cv_compiler_powerpc64le_binary128_ok=yes + libc_cv_forced_unwind=yes + libc_cv_gcc___thread=yes + libc_cv_mlong_double_128=yes + libc_cv_mlong_double_128ibm=yes + libc_cv_ppc_machine=yes + libc_cv_ppc_rel16=yes + libc_cv_predef_fortify_source=no + libc_cv_target_power8_ok=yes + libc_cv_visibility_attribute=yes + libc_cv_z_combreloc=yes + libc_cv_z_execstack=yes + libc_cv_z_initfirst=yes + libc_cv_z_nodelete=yes + libc_cv_z_nodlopen=yes + libc_cv_z_relro=yes + libc_mips_abi=${ABI} + libc_mips_float=$([[ $(tc-is-softfloat) == "yes" ]] && echo soft || echo hard) + # These libs don't have configure flags. + ac_cv_lib_audit_audit_log_user_avc_message=no + ac_cv_lib_cap_cap_init=no + ) + + einfo "Forcing cached settings:" + for v in "${vars[@]}" ; do + einfo " ${v}" + export ${v} + done + + local headers_only_arch_CPPFLAGS=() + + # Blow away some random CC settings that screw things up. #550192 + if [[ -d ${S}/sysdeps/mips ]]; then + pushd "${S}"/sysdeps/mips >/dev/null + sed -i -e '/^CC +=/s:=.*:= -D_MIPS_SZPTR=32:' mips32/Makefile mips64/n32/Makefile || die + sed -i -e '/^CC +=/s:=.*:= -D_MIPS_SZPTR=64:' mips64/n64/Makefile || die + + # Force the mips ABI to the default. This is OK because the set of + # installed headers in this phase is the same between the 3 ABIs. + # If this ever changes, this hack will break, but that's unlikely + # as glibc discourages that behavior. + # https://crbug.com/647033 + sed -i -e 's:abiflag=.*:abiflag=_ABIO32:' preconfigure || die + + popd >/dev/null + fi + + case ${CTARGET} in + riscv*) + # RISC-V interrogates the compiler to determine which target to + # build. If building the headers then we don't strictly need a + # RISC-V compiler, so the built-in definitions that are provided + # along with all RISC-V compiler might not exist. This causes + # glibc's RISC-V preconfigure script to blow up. Since we're just + # building the headers any value will actually work here, so just + # pick the standard one (rv64g/lp64d) to make the build scripts + # happy for now -- the headers are all the same anyway so it + # doesn't matter. + headers_only_arch_CPPFLAGS+=( + -D__riscv_xlen=64 + -D__riscv_flen=64 + -D__riscv_float_abi_double=1 + -D__riscv_atomic=1 + ) ;; + esac + + local myconf=() + myconf+=( + --disable-sanity-checks + --enable-hacker-mode + --disable-werror + --enable-bind-now + --build=${CBUILD_OPT:-${CBUILD}} + --host=${CTARGET_OPT:-${CTARGET}} + --with-headers=$(build_eprefix)$(alt_build_headers) + --prefix="$(host_eprefix)/usr" + ${EXTRA_ECONF} + ) + + # Nothing is compiled here which would affect the headers for the target. + # So forcing CC/CFLAGS is sane. + local headers_only_CC=$(tc-getBUILD_CC) + local headers_only_CFLAGS="-O1 -pipe" + local headers_only_CPPFLAGS="-U_FORTIFY_SOURCE ${headers_only_arch_CPPFLAGS[*]}" + local headers_only_LDFLAGS="" + set -- "${S}"/configure "${myconf[@]}" + echo \ + "CC=${headers_only_CC}" \ + "CFLAGS=${headers_only_CFLAGS}" \ + "CPPFLAGS=${headers_only_CPPFLAGS}" \ + "LDFLAGS=${headers_only_LDFLAGS}" \ + "$@" + CC=${headers_only_CC} \ + CFLAGS=${headers_only_CFLAGS} \ + CPPFLAGS=${headers_only_CPPFLAGS} \ + LDFLAGS="" \ + "$@" || die "failed to configure glibc" +} + +do_src_configure() { + if just_headers ; then + glibc_headers_configure + else + glibc_do_configure nptl + fi +} + +src_configure() { + foreach_abi do_src_configure +} + +do_src_compile() { + emake -C "$(builddir nptl)" +} + +src_compile() { + if just_headers ; then + return + fi + + foreach_abi do_src_compile +} + +glibc_src_test() { + cd "$(builddir nptl)" + + local myxfailparams="" + if [[ "${GENTOO_GLIBC_XFAIL_TESTS}" == "yes" ]] ; then + for myt in ${XFAIL_TEST_LIST[@]} ; do + myxfailparams+="test-xfail-${myt}=yes " + done + fi + + # sandbox does not understand unshare() and prevents + # writes to /proc/, which makes many tests fail + + SANDBOX_ON=0 LD_PRELOAD= emake ${myxfailparams} check +} + +do_src_test() { + local ret=0 + + glibc_src_test + : $(( ret |= $? )) + + return ${ret} +} + +src_test() { + if just_headers ; then + return + fi + + # Give tests more time to complete. + export TIMEOUTFACTOR=5 + + foreach_abi do_src_test || die "tests failed" +} + +run_locale_gen() { + # if the host locales.gen contains no entries, we'll install everything + local root="$1" + local inplace="" + + if [[ "${root}" == "--inplace-glibc" ]] ; then + inplace="--inplace-glibc" + root="$2" + fi + + local locale_list="${root%/}/etc/locale.gen" + + pushd "${ED}"/$(get_libdir) >/dev/null + + if [[ -z $(locale-gen --list --config "${locale_list}") ]] ; then + [[ -z ${inplace} ]] && ewarn "Generating all locales; edit /etc/locale.gen to save time/space" + locale_list="${root%/}/usr/share/i18n/SUPPORTED" + fi + + set -- locale-gen ${inplace} --jobs $(makeopts_jobs) --config "${locale_list}" \ + --destdir "${root}" + echo "$@" + "$@" + + popd >/dev/null +} + +glibc_do_src_install() { + local builddir=$(builddir nptl) + cd "${builddir}" + + emake install_root="${D}/$(build_eprefix)$(alt_prefix)" install + + # This version (2.26) provides some compatibility libraries for the NIS/NIS+ support + # which come without headers etc. Only needed for binary packages since the + # external net-libs/libnsl has increased soversion. Keep only versioned libraries. + find "${D}" -name "libnsl.a" -delete + find "${D}" -name "libnsl.so" -delete + + # Normally upstream_pv is ${PV}. Live ebuilds are exception, there we need + # to infer upstream version: + # '#define VERSION "2.26.90"' -> '2.26.90' + local upstream_pv=$(sed -n -r 's/#define VERSION "(.*)"/\1/p' "${S}"/version.h) + + # Avoid stripping binaries not targeted by ${CHOST}. Or else + # ${CHOST}-strip would break binaries build for ${CTARGET}. + is_crosscompile && dostrip -x / + # gdb thread introspection relies on local libpthreas symbols. stripping breaks it + # See Note [Disable automatic stripping] + dostrip -x $(alt_libdir)/libpthread-${upstream_pv}.so + + if [[ -e ${ED}/$(alt_usrlibdir)/libm-${upstream_pv}.a ]] ; then + # Move versioned .a file out of libdir to evade portage QA checks + # instead of using gen_usr_ldscript(). We fix ldscript as: + # "GROUP ( /usr/lib64/libm-.a ..." -> "GROUP ( /usr/lib64/glibc-/libm-.a ..." + sed -i "s@\(libm-${upstream_pv}.a\)@${P}/\1@" "${ED}"/$(alt_usrlibdir)/libm.a || die + dodir $(alt_usrlibdir)/${P} + mv "${ED}"/$(alt_usrlibdir)/libm-${upstream_pv}.a "${ED}"/$(alt_usrlibdir)/${P}/libm-${upstream_pv}.a || die + fi + + # We'll take care of the cache ourselves + rm -f "${ED}"/etc/ld.so.cache + + # Everything past this point just needs to be done once ... + is_final_abi || return 0 + + # Make sure the non-native interp can be found on multilib systems even + # if the main library set isn't installed into the right place. Maybe + # we should query the active gcc for info instead of hardcoding it ? + local i ldso_abi ldso_name + local ldso_abi_list=( + # x86 + amd64 /lib64/ld-linux-x86-64.so.2 + x32 /libx32/ld-linux-x32.so.2 + x86 /lib/ld-linux.so.2 + # mips + o32 /lib/ld.so.1 + n32 /lib32/ld.so.1 + n64 /lib64/ld.so.1 + # powerpc + ppc /lib/ld.so.1 + # riscv + ilp32d /lib/ld-linux-riscv32-ilp32d.so.1 + ilp32 /lib/ld-linux-riscv32-ilp32.so.1 + lp64d /lib/ld-linux-riscv64-lp64d.so.1 + lp64 /lib/ld-linux-riscv64-lp64.so.1 + # s390 + s390 /lib/ld.so.1 + s390x /lib/ld64.so.1 + # sparc + sparc32 /lib/ld-linux.so.2 + sparc64 /lib64/ld-linux.so.2 + ) + case $(tc-endian) in + little) + ldso_abi_list+=( + # arm + arm64 /lib/ld-linux-aarch64.so.1 + # ELFv2 (glibc does not support ELFv1 on LE) + ppc64 /lib64/ld64.so.2 + ) + ;; + big) + ldso_abi_list+=( + # arm + arm64 /lib/ld-linux-aarch64_be.so.1 + # ELFv1 (glibc does not support ELFv2 on BE) + ppc64 /lib64/ld64.so.1 + ) + ;; + esac + if [[ ${SYMLINK_LIB} == "yes" ]] && [[ ! -e ${ED}/$(alt_prefix)/lib ]] ; then + dosym $(get_abi_LIBDIR ${DEFAULT_ABI}) $(alt_prefix)/lib + fi + for (( i = 0; i < ${#ldso_abi_list[@]}; i += 2 )) ; do + ldso_abi=${ldso_abi_list[i]} + has ${ldso_abi} $(get_install_abis) || continue + + ldso_name="$(alt_prefix)${ldso_abi_list[i+1]}" + if [[ ! -L ${ED}/${ldso_name} && ! -e ${ED}/${ldso_name} ]] ; then + dosym ../$(get_abi_LIBDIR ${ldso_abi})/${ldso_name##*/} ${ldso_name} + fi + done + + # In the LSB 5.0 definition, someone had the excellent idea to "standardize" + # the runtime loader name, see also https://xkcd.com/927/ + # Normally, in Gentoo one should never come across executables that require this. + # However, binary commercial packages are known to adhere to weird practices. + # https://refspecs.linuxfoundation.org/LSB_5.0.0/LSB-Core-AMD64/LSB-Core-AMD64.html#BASELIB + local lsb_ldso_name native_ldso_name lsb_ldso_abi + local lsb_ldso_abi_list=( + # x86 + amd64 ld-linux-x86-64.so.2 ld-lsb-x86-64.so.3 + ) + for (( i = 0; i < ${#lsb_ldso_abi_list[@]}; i += 3 )) ; do + lsb_ldso_abi=${lsb_ldso_abi_list[i]} + native_ldso_name=${lsb_ldso_abi_list[i+1]} + lsb_ldso_name=${lsb_ldso_abi_list[i+2]} + has ${lsb_ldso_abi} $(get_install_abis) || continue + + if [[ ! -L ${ED}/$(get_abi_LIBDIR ${lsb_ldso_abi})/${lsb_ldso_name} && ! -e ${ED}/$(get_abi_LIBDIR ${lsb_ldso_abi})/${lsb_ldso_name} ]] ; then + dosym ${native_ldso_name} "$(alt_prefix)/$(get_abi_LIBDIR ${lsb_ldso_abi})/${lsb_ldso_name}" + fi + done + + # With devpts under Linux mounted properly, we do not need the pt_chown + # binary to be setuid. This is because the default owners/perms will be + # exactly what we want. + if ! use suid ; then + find "${ED}" -name pt_chown -exec chmod -s {} + + fi + + ################################################################# + # EVERYTHING AFTER THIS POINT IS FOR NATIVE GLIBC INSTALLS ONLY # + # Make sure we install some symlink hacks so that when we build + # a 2nd stage cross-compiler, gcc finds the target system + # headers correctly. See gcc/doc/gccinstall.info + if is_crosscompile ; then + # We need to make sure that /lib and /usr/lib always exists. + # gcc likes to use relative paths to get to its multilibs like + # /usr/lib/../lib64/. So while we don't install any files into + # /usr/lib/, we do need it to exist. + keepdir $(alt_prefix)/lib + keepdir $(alt_prefix)/usr/lib + + dosym usr/include $(alt_prefix)/sys-include + return 0 + fi + + # Files for Debian-style locale updating + dodir /usr/share/i18n + sed \ + -e "/^#/d" \ + -e "/SUPPORTED-LOCALES=/d" \ + -e "s: \\\\::g" -e "s:/: :g" \ + "${S}"/localedata/SUPPORTED > "${ED}"/usr/share/i18n/SUPPORTED \ + || die "generating /usr/share/i18n/SUPPORTED failed" + cd "${WORKDIR}"/extra/locale + dosbin locale-gen + doman *.[0-8] + insinto /etc + doins locale.gen + + keepdir /usr/lib/locale + + cd "${S}" + + # Install misc network config files + insinto /etc + doins posix/gai.conf + + if use systemd ; then + doins "${WORKDIR}/glibc-systemd-${GLIBC_SYSTEMD_VER}/gentoo-config/nsswitch.conf" + else + doins nss/nsswitch.conf + fi + + # Gentoo-specific + newins "${FILESDIR}"/host.conf-1 host.conf + + if use nscd ; then + doins nscd/nscd.conf + + newinitd "$(prefixify_ro "${FILESDIR}"/nscd-1)" nscd + + local nscd_args=( + -e "s:@PIDFILE@:$(strings "${ED}"/usr/sbin/nscd | grep nscd.pid):" + ) + + sed -i "${nscd_args[@]}" "${ED}"/etc/init.d/nscd + + use systemd && systemd_dounit nscd/nscd.service + newtmpfiles nscd/nscd.tmpfiles nscd.conf + fi + + echo 'LDPATH="include ld.so.conf.d/*.conf"' > "${T}"/00glibc + doenvd "${T}"/00glibc + + for d in BUGS ChangeLog CONFORMANCE FAQ NEWS NOTES PROJECTS README* ; do + [[ -s ${d} ]] && dodoc ${d} + done + dodoc -r ChangeLog.old + + # Prevent overwriting of the /etc/localtime symlink. We'll handle the + # creation of the "factory" symlink in pkg_postinst(). + rm -f "${ED}"/etc/localtime + + # Generate all locales if this is a native build as locale generation + if use compile-locales && ! is_crosscompile ; then + run_locale_gen --inplace-glibc "${ED}/" + sed -e 's:COMPILED_LOCALES="":COMPILED_LOCALES="1":' -i "${ED}"/usr/sbin/locale-gen || die + fi +} + +glibc_headers_install() { + local builddir=$(builddir "headers") + cd "${builddir}" + emake install_root="${D}/$(build_eprefix)$(alt_prefix)" install-headers + + insinto $(alt_headers)/gnu + doins "${S}"/include/gnu/stubs.h + + # Make sure we install the sys-include symlink so that when + # we build a 2nd stage cross-compiler, gcc finds the target + # system headers correctly. See gcc/doc/gccinstall.info + dosym usr/include $(alt_prefix)/sys-include +} + +src_install() { + if just_headers ; then + export ABI=default + glibc_headers_install + return + fi + + foreach_abi glibc_do_src_install + + if ! use static-libs ; then + einfo "Not installing static glibc libraries" + find "${ED}" -name "*.a" -and -not -name "*_nonshared.a" -delete + fi +} + +# Simple test to make sure our new glibc isn't completely broken. +# Make sure we don't test with statically built binaries since +# they will fail. Also, skip if this glibc is a cross compiler. +# +# If coreutils is built with USE=multicall, some of these files +# will just be wrapper scripts, not actual ELFs we can test. +glibc_sanity_check() { + cd / #228809 + + # We enter ${ED} so to avoid trouble if the path contains + # special characters; for instance if the path contains the + # colon character (:), then the linker will try to split it + # and look for the libraries in an unexpected place. This can + # lead to unsafe code execution if the generated prefix is + # within a world-writable directory. + # (e.g. /var/tmp/portage:${HOSTNAME}) + pushd "${ED}"/$(get_libdir) >/dev/null + + # first let's find the actual dynamic linker here + # symlinks may point to the wrong abi + local newldso=$(find . -maxdepth 1 -name 'ld*so.?' -type f -print -quit) + + einfo Last-minute run tests with ${newldso} in /$(get_libdir) ... + + local x striptest + for x in cal date env free ls true uname uptime ; do + x=$(type -p ${x}) + [[ -z ${x} || ${x} != ${EPREFIX}/* ]] && continue + striptest=$(LC_ALL="C" file -L ${x} 2>/dev/null) || continue + case ${striptest} in + *"statically linked"*) continue;; + *"ASCII text"*) continue;; + esac + # We need to clear the locale settings as the upgrade might want + # incompatible locale data. This test is not for verifying that. + LC_ALL=C \ + ${newldso} --library-path . ${x} > /dev/null \ + || die "simple run test (${x}) failed" + done + + popd >/dev/null +} + +pkg_preinst() { + # nothing to do if just installing headers + just_headers && return + + # prepare /etc/ld.so.conf.d/ for files + mkdir -p "${EROOT}"/etc/ld.so.conf.d + + # Default /etc/hosts.conf:multi to on for systems with small dbs. + if [[ $(wc -l < "${EROOT}"/etc/hosts) -lt 1000 ]] ; then + sed -i '/^multi off/s:off:on:' "${ED}"/etc/host.conf + einfo "Defaulting /etc/host.conf:multi to on" + fi + + [[ -n ${ROOT} ]] && return 0 + [[ -d ${ED}/$(get_libdir) ]] || return 0 + [[ -z ${BOOTSTRAP_RAP} ]] && glibc_sanity_check + + if [[ -L ${EROOT}/usr/lib/locale ]]; then + # Help portage migrate this to a directory + # https://bugs.gentoo.org/753740 + rm "${EROOT}"/usr/lib/locale || die + fi + + # Keep around libcrypt so that Perl doesn't break when merging libxcrypt + # (libxcrypt is the new provider for now of libcrypt.so.{1,2}). + # bug #802207 + if ! use crypt && has_version "${CATEGORY}/${PN}[crypt]" && ! has preserve-libs ${FEATURES}; then + PRESERVED_OLD_LIBCRYPT=1 + cp -p "${EROOT}/$(get_libdir)/libcrypt$(get_libname 1)" "${T}/libcrypt$(get_libname 1)" || die + else + PRESERVED_OLD_LIBCRYPT=0 + fi +} + +pkg_postinst() { + # nothing to do if just installing headers + just_headers && return + + if ! tc-is-cross-compiler && [[ -x ${EROOT}/usr/sbin/iconvconfig ]] ; then + # Generate fastloading iconv module configuration file. + "${EROOT}"/usr/sbin/iconvconfig --prefix="${ROOT}/" + fi + + if ! is_crosscompile && [[ -z ${ROOT} ]] ; then + use compile-locales || run_locale_gen "${EROOT}/" + fi + + upgrade_warning + + # Check for sanity of /etc/nsswitch.conf, take 2 + if [[ -e ${EROOT}/etc/nsswitch.conf ]] && ! has_version sys-auth/libnss-nis ; then + local entry + for entry in passwd group shadow; do + if egrep -q "^[ \t]*${entry}:.*nis" "${EROOT}"/etc/nsswitch.conf; then + ewarn "" + ewarn "Your ${EROOT}/etc/nsswitch.conf uses NIS. Support for that has been" + ewarn "removed from glibc and is now provided by the package" + ewarn " sys-auth/libnss-nis" + ewarn "Install it now to keep your NIS setup working." + ewarn "" + fi + done + fi + + if [[ ${PRESERVED_OLD_LIBCRYPT} -eq 1 ]] ; then + cp -p "${T}/libcrypt$(get_libname 1)" "${EROOT}/$(get_libdir)/libcrypt$(get_libname 1)" || die + preserve_old_lib_notify /$(get_libdir)/libcrypt$(get_libname 1) + + elog "Please ignore a possible later error message about a file collision involving" + elog "${EROOT}/$(get_libdir)/libcrypt$(get_libname 1). We need to preserve this file for the moment to keep" + elog "the upgrade working, but it also needs to be overwritten when" + elog "sys-libs/libxcrypt is installed. See bug 802210 for more details." + fi +} diff --git a/sys-libs/glibc/glibc-2.35-r4.ebuild b/sys-libs/glibc/glibc-2.35-r4.ebuild new file mode 100644 index 000000000000..c67cc3205f9f --- /dev/null +++ b/sys-libs/glibc/glibc-2.35-r4.ebuild @@ -0,0 +1,1596 @@ +# Copyright 1999-2022 Gentoo Authors +# Distributed under the terms of the GNU General Public License v2 + +EAPI=7 + +# Bumping notes: https://wiki.gentoo.org/wiki/Project:Toolchain/sys-libs/glibc +# Please read & adapt the page as necessary if obsolete. + +PYTHON_COMPAT=( python3_{8,9,10} ) +TMPFILES_OPTIONAL=1 + +inherit python-any-r1 prefix preserve-libs toolchain-funcs flag-o-matic gnuconfig \ + multilib systemd multiprocessing tmpfiles + +DESCRIPTION="GNU libc C library" +HOMEPAGE="https://www.gnu.org/software/libc/" +LICENSE="LGPL-2.1+ BSD HPND ISC inner-net rc PCRE" +SLOT="2.2" + +EMULTILIB_PKG="true" + +# Gentoo patchset (ignored for live ebuilds) +PATCH_VER=6 +PATCH_DEV=dilfridge + +if [[ ${PV} == 9999* ]]; then + inherit git-r3 +else + KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86" + SRC_URI="mirror://gnu/glibc/${P}.tar.xz" + SRC_URI+=" https://dev.gentoo.org/~${PATCH_DEV}/distfiles/${P}-patches-${PATCH_VER}.tar.xz" + SRC_URI+=" experimental-loong? ( https://dev.gentoo.org/~xen0n/distfiles/glibc-2.35-loongarch-patches-20220422.tar.xz )" +fi + +RELEASE_VER=${PV} + +GCC_BOOTSTRAP_VER=20201208 + +LOCALE_GEN_VER=2.22 + +GLIBC_SYSTEMD_VER=20210729 + +SRC_URI+=" https://gitweb.gentoo.org/proj/locale-gen.git/snapshot/locale-gen-${LOCALE_GEN_VER}.tar.gz" +SRC_URI+=" multilib-bootstrap? ( https://dev.gentoo.org/~dilfridge/distfiles/gcc-multilib-bootstrap-${GCC_BOOTSTRAP_VER}.tar.xz )" +SRC_URI+=" systemd? ( https://gitweb.gentoo.org/proj/toolchain/glibc-systemd.git/snapshot/glibc-systemd-${GLIBC_SYSTEMD_VER}.tar.gz )" + +IUSE="audit caps cet +clone3 compile-locales +crypt custom-cflags doc experimental-loong gd headers-only +multiarch multilib multilib-bootstrap nscd profile selinux +ssp +static-libs suid systemd systemtap test vanilla" + +# Minimum kernel version that glibc requires +MIN_KERN_VER="3.2.0" +# Minimum pax-utils version needed (which contains any new syscall changes for +# its seccomp filter!). Please double check this! +MIN_PAX_UTILS_VER="1.3.3" + +# Here's how the cross-compile logic breaks down ... +# CTARGET - machine that will target the binaries +# CHOST - machine that will host the binaries +# CBUILD - machine that will build the binaries +# If CTARGET != CHOST, it means you want a libc for cross-compiling. +# If CHOST != CBUILD, it means you want to cross-compile the libc. +# CBUILD = CHOST = CTARGET - native build/install +# CBUILD != (CHOST = CTARGET) - cross-compile a native build +# (CBUILD = CHOST) != CTARGET - libc for cross-compiler +# CBUILD != CHOST != CTARGET - cross-compile a libc for a cross-compiler +# For install paths: +# CHOST = CTARGET - install into / +# CHOST != CTARGET - install into /usr/CTARGET/ +# +export CBUILD=${CBUILD:-${CHOST}} +export CTARGET=${CTARGET:-${CHOST}} +if [[ ${CTARGET} == ${CHOST} ]] ; then + if [[ ${CATEGORY} == cross-* ]] ; then + export CTARGET=${CATEGORY#cross-} + fi +fi + +# Note [Disable automatic stripping] +# Disabling automatic stripping for a few reasons: +# - portage's attempt to strip breaks non-native binaries at least on +# arm: bug #697428 +# - portage's attempt to strip libpthread.so.0 breaks gdb thread +# enumeration: bug #697910. This is quite subtle: +# * gdb uses glibc's libthread_db-1.0.so to enumerate threads. +# * libthread_db-1.0.so needs access to libpthread.so.0 local symbols +# via 'ps_pglobal_lookup' symbol defined in gdb. +# * 'ps_pglobal_lookup' uses '.symtab' section table to resolve all +# known symbols in 'libpthread.so.0'. Specifically 'nptl_version' +# (unexported) is used to sanity check compatibility before enabling +# debugging. +# Also see https://sourceware.org/gdb/wiki/FAQ#GDB_does_not_see_any_threads_besides_the_one_in_which_crash_occurred.3B_or_SIGTRAP_kills_my_program_when_I_set_a_breakpoint +# * normal 'strip' command trims '.symtab' +# Thus our main goal here is to prevent 'libpthread.so.0' from +# losing it's '.symtab' entries. +# As Gentoo's strip does not allow us to pass less aggressive stripping +# options and does not check the machine target we strip selectively. + +# We need a new-enough binutils/gcc to match upstream baseline. +# Also we need to make sure our binutils/gcc supports TLS, +# and that gcc already contains the hardened patches. +# Lastly, let's avoid some openssh nastiness, bug 708224, as +# convenience to our users. + +# gzip, grep, awk are needed by locale-gen, bug 740750 + +BDEPEND=" + ${PYTHON_DEPS} + >=app-misc/pax-utils-${MIN_PAX_UTILS_VER} + sys-devel/bison + doc? ( sys-apps/texinfo ) + !compile-locales? ( + app-arch/gzip + sys-apps/grep + virtual/awk + ) +" +COMMON_DEPEND=" + gd? ( media-libs/gd:2= ) + nscd? ( selinux? ( + audit? ( sys-process/audit ) + caps? ( sys-libs/libcap ) + ) ) + suid? ( caps? ( sys-libs/libcap ) ) + selinux? ( sys-libs/libselinux ) + systemtap? ( dev-util/systemtap ) +" +DEPEND="${COMMON_DEPEND} + compile-locales? ( + app-arch/gzip + sys-apps/grep + virtual/awk + ) + test? ( >=net-dns/libidn2-2.3.0 ) +" +RDEPEND="${COMMON_DEPEND} + app-arch/gzip + sys-apps/grep + virtual/awk + sys-apps/gentoo-functions + !' | $(tc-getCPP ${CTARGET}) ${CFLAGS} 2>&1 | grep -o '[^"]*linux/version.h') + ALT_BUILD_HEADERS=${header_path%/linux/version.h} + fi + fi + fi + echo "${ALT_BUILD_HEADERS}" +} + +alt_libdir() { + echo $(alt_prefix)/$(get_libdir) +} +alt_usrlibdir() { + echo $(alt_prefix)/usr/$(get_libdir) +} + +builddir() { + echo "${WORKDIR}/build-${ABI}-${CTARGET}-$1" +} + +do_compile_test() { + local ret save_cflags=${CFLAGS} + CFLAGS+=" $1" + shift + + pushd "${T}" >/dev/null + + rm -f glibc-test* + printf '%b' "$*" > glibc-test.c + + # We assume CC is already set up. + nonfatal emake glibc-test + ret=$? + + popd >/dev/null + + CFLAGS=${save_cflags} + return ${ret} +} + +do_run_test() { + local ret + + if [[ ${MERGE_TYPE} == "binary" ]] ; then + # ignore build failures when installing a binary package #324685 + do_compile_test "" "$@" 2>/dev/null || return 0 + else + if ! do_compile_test "" "$@" ; then + ewarn "Simple build failed ... assuming this is desired #324685" + return 0 + fi + fi + + pushd "${T}" >/dev/null + + ./glibc-test + ret=$? + rm -f glibc-test* + + popd >/dev/null + + return ${ret} +} + +setup_target_flags() { + # This largely mucks with compiler flags. None of which should matter + # when building up just the headers. + just_headers && return 0 + + case $(tc-arch) in + x86) + # -march needed for #185404 #199334 + # TODO: When creating the first glibc cross-compile, this test will + # always fail as it does a full link which in turn requires glibc. + # Probably also applies when changing multilib profile settings (e.g. + # enabling x86 when the profile was amd64-only previously). + # We could change main to _start and pass -nostdlib here so that we + # only test the gcc code compilation. Or we could do a compile and + # then look for the symbol via scanelf. + if ! do_compile_test "" 'void f(int i, void *p) {if (__sync_fetch_and_add(&i, 1)) f(i, p);}\nint main(){return 0;}\n'; then + local t=${CTARGET_OPT:-${CTARGET}} + t=${t%%-*} + filter-flags '-march=*' + export CFLAGS="-march=${t} ${CFLAGS}" + einfo "Auto adding -march=${t} to CFLAGS #185404" + fi + ;; + amd64) + # -march needed for #185404 #199334 + # TODO: See cross-compile issues listed above for x86. + [[ ${ABI} == x86 ]] && + if ! do_compile_test "${CFLAGS_x86}" 'void f(int i, void *p) {if (__sync_fetch_and_add(&i, 1)) f(i, p);}\nint main(){return 0;}\n'; then + local t=${CTARGET_OPT:-${CTARGET}} + t=${t%%-*} + # Normally the target is x86_64-xxx, so turn that into the -march that + # gcc actually accepts. #528708 + [[ ${t} == "x86_64" ]] && t="x86-64" + filter-flags '-march=*' + # ugly, ugly, ugly. ugly. + CFLAGS_x86=$(CFLAGS=${CFLAGS_x86} filter-flags '-march=*'; echo "${CFLAGS}") + export CFLAGS_x86="${CFLAGS_x86} -march=${t}" + einfo "Auto adding -march=${t} to CFLAGS_x86 #185404 (ABI=${ABI})" + fi + ;; + mips) + # The mips abi cannot support the GNU style hashes. #233233 + filter-ldflags -Wl,--hash-style=gnu -Wl,--hash-style=both + ;; + ppc|ppc64) + # Many arch-specific implementations do not work on ppc with + # cache-block not equal to 128 bytes. This breaks memset: + # https://sourceware.org/PR26522 + # https://bugs.gentoo.org/737996 + # Use default -mcpu=. For ppc it means non-multiarch setup. + filter-flags '-mcpu=*' + ;; + sparc) + # Both sparc and sparc64 can use -fcall-used-g6. -g7 is bad, though. + filter-flags "-fcall-used-g7" + append-flags "-fcall-used-g6" + + local cpu + case ${CTARGET} in + sparc64-*) + cpu="sparc64" + case $(get-flag mcpu) in + v9) + # We need to force at least v9a because the base build doesn't + # work with just v9. + # https://sourceware.org/bugzilla/show_bug.cgi?id=19477 + append-flags "-Wa,-xarch=v9a" + ;; + esac + ;; + sparc-*) + case $(get-flag mcpu) in + v8|supersparc|hypersparc|leon|leon3) + cpu="sparcv8" + ;; + *) + cpu="sparcv9" + ;; + esac + ;; + esac + [[ -n ${cpu} ]] && CTARGET_OPT="${cpu}-${CTARGET#*-}" + ;; + esac +} + +setup_flags() { + # Make sure host make.conf doesn't pollute us + if is_crosscompile || tc-is-cross-compiler ; then + CHOST=${CTARGET} strip-unsupported-flags + fi + + # Store our CFLAGS because it's changed depending on which CTARGET + # we are building when pulling glibc on a multilib profile + CFLAGS_BASE=${CFLAGS_BASE-${CFLAGS}} + CFLAGS=${CFLAGS_BASE} + CXXFLAGS_BASE=${CXXFLAGS_BASE-${CXXFLAGS}} + CXXFLAGS=${CXXFLAGS_BASE} + ASFLAGS_BASE=${ASFLAGS_BASE-${ASFLAGS}} + ASFLAGS=${ASFLAGS_BASE} + + # Allow users to explicitly avoid flag sanitization via + # USE=custom-cflags. + if ! use custom-cflags; then + # Over-zealous CFLAGS can often cause problems. What may work for one + # person may not work for another. To avoid a large influx of bugs + # relating to failed builds, we strip most CFLAGS out to ensure as few + # problems as possible. + strip-flags + # Lock glibc at -O2; we want to be conservative here. + filter-flags '-O?' + append-flags -O2 + fi + + strip-unsupported-flags + filter-flags -m32 -m64 '-mabi=*' + + # glibc aborts if rpath is set by LDFLAGS + filter-ldflags '-Wl,-rpath=*' + + # ld can't use -r & --relax at the same time, bug #788901 + # https://sourceware.org/PR27837 + filter-ldflags '-Wl,--relax' + + # #492892 + filter-flags -frecord-gcc-switches + + # #829583 + filter-lfs-flags + + unset CBUILD_OPT CTARGET_OPT + if use multilib ; then + CTARGET_OPT=$(get_abi_CTARGET) + [[ -z ${CTARGET_OPT} ]] && CTARGET_OPT=$(get_abi_CHOST) + fi + + setup_target_flags + + if [[ -n ${CTARGET_OPT} && ${CBUILD} == ${CHOST} ]] && ! is_crosscompile; then + CBUILD_OPT=${CTARGET_OPT} + fi + + # glibc's headers disallow -O0 and fail at build time: + # include/libc-symbols.h:75:3: #error "glibc cannot be compiled without optimization" + replace-flags -O0 -O1 + + filter-flags '-fstack-protector*' + + # See end of bug #830454; we handle this via USE=cet + filter-flags '-fcf-protection=' +} + +use_multiarch() { + # Allow user to disable runtime arch detection in multilib. + use multiarch || return 1 + # Make sure binutils is new enough to support indirect functions, + # #336792. This funky sed supports gold and bfd linkers. + local bver nver + bver=$($(tc-getLD ${CTARGET}) -v | sed -n -r '1{s:[^0-9]*::;s:^([0-9.]*).*:\1:;p}') + case $(tc-arch ${CTARGET}) in + amd64|x86) nver="2.20" ;; + arm) nver="2.22" ;; + hppa) nver="2.23" ;; + ppc|ppc64) nver="2.20" ;; + # ifunc support was added in 2.23, but glibc also needs + # machinemode which is in 2.24. + s390) nver="2.24" ;; + sparc) nver="2.21" ;; + *) return 1 ;; + esac + ver_test ${bver} -ge ${nver} +} + +# Setup toolchain variables that had historically been defined in the +# profiles for these archs. +setup_env() { + # silly users + unset LD_RUN_PATH + unset LD_ASSUME_KERNEL + + if is_crosscompile || tc-is-cross-compiler ; then + multilib_env ${CTARGET_OPT:-${CTARGET}} + + if ! use multilib ; then + MULTILIB_ABIS=${DEFAULT_ABI} + else + MULTILIB_ABIS=${MULTILIB_ABIS:-${DEFAULT_ABI}} + fi + + # If the user has CFLAGS_ in their make.conf, use that, + # and fall back on CFLAGS. + local VAR=CFLAGS_${CTARGET//[-.]/_} + CFLAGS=${!VAR-${CFLAGS}} + einfo " $(printf '%15s' 'Manual CFLAGS:') ${CFLAGS}" + fi + + setup_flags + + export ABI=${ABI:-${DEFAULT_ABI:-default}} + + if just_headers ; then + # Avoid mixing host's CC and target's CFLAGS_${ABI}: + # At this bootstrap stage we have only binutils for + # target but not compiler yet. + einfo "Skip CC ABI injection. We can't use (cross-)compiler yet." + return 0 + fi + + # Glibc does not work with gold (for various reasons) #269274. + tc-ld-disable-gold + + if use doc ; then + export MAKEINFO=makeinfo + else + export MAKEINFO=/dev/null + fi + + # Reset CC and CXX to the value at start of emerge + export CC=${__ORIG_CC:-${CC:-$(tc-getCC ${CTARGET})}} + export CXX=${__ORIG_CXX:-${CXX:-$(tc-getCXX ${CTARGET})}} + + # and make sure __ORIC_CC and __ORIG_CXX is defined now. + export __ORIG_CC=${CC} + export __ORIG_CXX=${CXX} + + if tc-is-clang && ! use custom-cflags && ! is_crosscompile ; then + + # If we are running in an otherwise clang/llvm environment, we need to + # recover the proper gcc and binutils settings here, at least until glibc + # is finally building with clang. So let's override everything that is + # set in the clang profiles. + # Want to shoot yourself into the foot? Set USE=custom-cflags, that's always + # a good start into that direction. + # Also, if you're crosscompiling, let's assume you know what you are doing. + # Hopefully. + # Last, we need the settings of the *build* environment, not of the + # target environment... + + local current_binutils_path=$(env ROOT="${BROOT}" binutils-config -B) + local current_gcc_path=$(env ROOT="${BROOT}" gcc-config -B) + einfo "Overriding clang configuration, since it won't work here" + + export CC="${current_gcc_path}/gcc" + export CXX="${current_gcc_path}/g++" + export LD="${current_binutils_path}/ld.bfd" + export AR="${current_binutils_path}/ar" + export AS="${current_binutils_path}/as" + export NM="${current_binutils_path}/nm" + export STRIP="${current_binutils_path}/strip" + export RANLIB="${current_binutils_path}/ranlib" + export OBJCOPY="${current_binutils_path}/objcopy" + export STRINGS="${current_binutils_path}/strings" + export OBJDUMP="${current_binutils_path}/objdump" + export READELF="${current_binutils_path}/readelf" + export ADDR2LINE="${current_binutils_path}/addr2line" + + # do we need to also do flags munging here? yes! at least... + filter-flags '-fuse-ld=*' + filter-flags '-D_FORTIFY_SOURCE=*' + + else + + # this is the "normal" case + + export CC="$(tc-getCC ${CTARGET})" + export CXX="$(tc-getCXX ${CTARGET})" + + # Always use tuple-prefixed toolchain. For non-native ABI glibc's configure + # can't detect them automatically due to ${CHOST} mismatch and fallbacks + # to unprefixed tools. Similar to multilib.eclass:multilib_toolchain_setup(). + export NM="$(tc-getNM ${CTARGET})" + export READELF="$(tc-getREADELF ${CTARGET})" + + fi + + # We need to export CFLAGS with abi information in them because glibc's + # configure script checks CFLAGS for some targets (like mips). Keep + # around the original clean value to avoid appending multiple ABIs on + # top of each other. (Why does the comment talk about CFLAGS if the code + # acts on CC?) + export __GLIBC_CC=${CC} + export __GLIBC_CXX=${CXX} + + export __abi_CFLAGS="$(get_abi_CFLAGS)" + + # CFLAGS can contain ABI-specific flags like -mfpu=neon, see bug #657760 + # To build .S (assembly) files with the same ABI-specific flags + # upstream currently recommends adding CFLAGS to CC/CXX: + # https://sourceware.org/PR23273 + # Note: Passing CFLAGS via CPPFLAGS overrides glibc's arch-specific CFLAGS + # and breaks multiarch support. See 659030#c3 for an example. + # The glibc configure script doesn't properly use LDFLAGS all the time. + export CC="${__GLIBC_CC} ${__abi_CFLAGS} ${CFLAGS} ${LDFLAGS}" + + # Some of the tests are written in C++, so we need to force our multlib abis in, bug 623548 + export CXX="${__GLIBC_CXX} ${__abi_CFLAGS} ${CFLAGS}" + + if is_crosscompile; then + # Assume worst-case bootstrap: glibc is buil first time + # when ${CTARGET}-g++ is not available yet. We avoid + # building auxiliary programs that require C++: bug #683074 + # It should not affect final result. + export libc_cv_cxx_link_ok=no + # The line above has the same effect. We set CXX explicitly + # to make build logs less confusing. + export CXX= + fi +} + +foreach_abi() { + setup_env + + local ret=0 + local abilist="" + if use multilib ; then + abilist=$(get_install_abis) + else + abilist=${DEFAULT_ABI} + fi + local -x ABI + for ABI in ${abilist:-default} ; do + setup_env + einfo "Running $1 for ABI ${ABI}" + $1 + : $(( ret |= $? )) + done + return ${ret} +} + +glibc_banner() { + local b="Gentoo ${PVR}" + [[ -n ${PATCH_VER} ]] && ! use vanilla && b+=" p${PATCH_VER}" + echo "${b}" +} + +# The following Kernel version handling functions are mostly copied from portage +# source. It's better not to use linux-info.eclass here since a) it adds too +# much magic, see bug 326693 for some of the arguments, and b) some of the +# functions are just not provided. + +g_get_running_KV() { + uname -r + return $? +} + +g_KV_major() { + [[ -z $1 ]] && return 1 + local KV=$@ + echo "${KV%%.*}" +} + +g_KV_minor() { + [[ -z $1 ]] && return 1 + local KV=$@ + KV=${KV#*.} + echo "${KV%%.*}" +} + +g_KV_micro() { + [[ -z $1 ]] && return 1 + local KV=$@ + KV=${KV#*.*.} + echo "${KV%%[^[:digit:]]*}" +} + +g_KV_to_int() { + [[ -z $1 ]] && return 1 + local KV_MAJOR=$(g_KV_major "$1") + local KV_MINOR=$(g_KV_minor "$1") + local KV_MICRO=$(g_KV_micro "$1") + local KV_int=$(( KV_MAJOR * 65536 + KV_MINOR * 256 + KV_MICRO )) + + # We make version 2.2.0 the minimum version we will handle as + # a sanity check ... if its less, we fail ... + if [[ ${KV_int} -ge 131584 ]] ; then + echo "${KV_int}" + return 0 + fi + return 1 +} + +g_int_to_KV() { + local version=$1 major minor micro + major=$((version / 65536)) + minor=$(((version % 65536) / 256)) + micro=$((version % 256)) + echo ${major}.${minor}.${micro} +} + +eend_KV() { + [[ $(g_KV_to_int $1) -ge $(g_KV_to_int $2) ]] + eend $? +} + +get_kheader_version() { + printf '#include \nLINUX_VERSION_CODE\n' | \ + $(tc-getCPP ${CTARGET}) -I "$(build_eprefix)$(alt_build_headers)" - | \ + tail -n 1 +} + +# We collect all sanity checks here. Consistency is not guranteed between +# pkg_ and src_ phases, so we call this function both in pkg_pretend and in +# src_unpack. +sanity_prechecks() { + # Prevent native builds from downgrading + if [[ ${MERGE_TYPE} != "buildonly" ]] && \ + [[ -z ${ROOT} ]] && \ + [[ ${CBUILD} == ${CHOST} ]] && \ + [[ ${CHOST} == ${CTARGET} ]] ; then + + # The high rev # is to allow people to downgrade between -r# + # versions. We want to block 2.20->2.19, but 2.20-r3->2.20-r2 + # should be fine. Hopefully we never actually use a r# this + # high. + if has_version ">${CATEGORY}/${P}-r10000" ; then + eerror "Sanity check to keep you from breaking your system:" + eerror " Downgrading glibc is not supported and a sure way to destruction." + [[ ${I_ALLOW_TO_BREAK_MY_SYSTEM} = yes ]] || die "Aborting to save your system." + fi + + if ! do_run_test '#include \n#include \nint main(){return syscall(1000)!=-1;}\n' ; then + eerror "Your old kernel is broken. You need to update it to a newer" + eerror "version as syscall() will break. See bug 279260." + die "Old and broken kernel." + fi + fi + + # Users have had a chance to phase themselves, time to give em the boot + if [[ -e ${EROOT}/etc/locale.gen ]] && [[ -e ${EROOT}/etc/locales.build ]] ; then + eerror "You still haven't deleted ${EROOT}/etc/locales.build." + eerror "Do so now after making sure ${EROOT}/etc/locale.gen is kosher." + die "Lazy upgrader detected" + fi + + if [[ ${CTARGET} == i386-* ]] ; then + eerror "i386 CHOSTs are no longer supported." + eerror "Chances are you don't actually want/need i386." + eerror "Please read https://www.gentoo.org/doc/en/change-chost.xml" + die "Please fix your CHOST" + fi + + if [[ -e /proc/xen ]] && [[ $(tc-arch) == "x86" ]] && ! is-flag -mno-tls-direct-seg-refs ; then + ewarn "You are using Xen but don't have -mno-tls-direct-seg-refs in your CFLAGS." + ewarn "This will result in a 50% performance penalty when running with a 32bit" + ewarn "hypervisor, which is probably not what you want." + fi + + # ABI-specific checks follow here. Hey, we have a lot more specific conditions that + # we test for... + if ! is_crosscompile ; then + if use amd64 && use multilib && [[ ${MERGE_TYPE} != "binary" ]] ; then + ebegin "Checking that IA32 emulation is enabled in the running kernel" + echo 'int main(){return 0;}' > "${T}/check-ia32-emulation.c" + local STAT + if ${CC-${CHOST}-gcc} ${CFLAGS_x86} "${T}/check-ia32-emulation.c" -o "${T}/check-ia32-emulation.elf32"; then + "${T}/check-ia32-emulation.elf32" + STAT=$? + else + # Don't fail here to allow single->multi ABI switch + # or recover from breakage like bug #646424 + ewarn "Failed to compile the ABI test. Broken host glibc?" + STAT=0 + fi + rm -f "${T}/check-ia32-emulation.elf32" + eend $STAT + [[ $STAT -eq 0 ]] || die "CONFIG_IA32_EMULATION must be enabled in the kernel to compile a multilib glibc." + fi + + fi + + # When we actually have to compile something... + if ! just_headers && [[ ${MERGE_TYPE} != "binary" ]] ; then + if [[ -d "${ESYSROOT}"/usr/lib/include ]] ; then + # bug #833620, bug #643302 + eerror "Found ${ESYSROOT}/usr/lib/include directory!" + eerror "This is known to break glibc's build." + eerror "Please backup its contents then remove the directory." + die "Found directory (${ESYSROOT}/usr/lib/include) which will break build (bug #833620)!" + fi + + if [[ ${CTARGET} == *-linux* ]] ; then + local run_kv build_kv want_kv + + run_kv=$(g_get_running_KV) + build_kv=$(g_int_to_KV $(get_kheader_version)) + want_kv=${MIN_KERN_VER} + + if ! is_crosscompile && ! tc-is-cross-compiler ; then + # Building fails on an non-supporting kernel + ebegin "Checking running kernel version (${run_kv} >= ${want_kv})" + if ! eend_KV ${run_kv} ${want_kv} ; then + echo + eerror "You need a kernel of at least ${want_kv}!" + die "Kernel version too low!" + fi + fi + + ebegin "Checking linux-headers version (${build_kv} >= ${want_kv})" + if ! eend_KV ${build_kv} ${want_kv} ; then + echo + eerror "You need linux-headers of at least ${want_kv}!" + die "linux-headers version too low!" + fi + fi + fi +} + +upgrade_warning() { + if [[ ${MERGE_TYPE} != buildonly && -n ${REPLACING_VERSIONS} && -z ${ROOT} ]]; then + local oldv newv=$(ver_cut 1-2 ${PV}) + for oldv in ${REPLACING_VERSIONS}; do + if ver_test ${oldv} -lt ${newv}; then + ewarn "After upgrading glibc, please restart all running processes." + ewarn "Be sure to include init (telinit u) or systemd (systemctl daemon-reexec)." + ewarn "Alternatively, reboot your system." + ewarn "(See bug #660556, bug #741116, bug #823756, etc)" + break + fi + done + fi +} + +# +# the phases +# + +# pkg_pretend + +pkg_pretend() { + upgrade_warning +} + +pkg_setup() { + # see bug 682570 + [[ -z ${BOOTSTRAP_RAP} ]] && python-any-r1_pkg_setup +} + +# src_unpack + +src_unpack() { + setup_env + + einfo "Checking general environment sanity." + sanity_prechecks + + use multilib-bootstrap && unpack gcc-multilib-bootstrap-${GCC_BOOTSTRAP_VER}.tar.xz + + if [[ ${PV} == 9999* ]] ; then + EGIT_REPO_URI="https://anongit.gentoo.org/git/proj/toolchain/glibc-patches.git" + EGIT_CHECKOUT_DIR=${WORKDIR}/patches-git + git-r3_src_unpack + mv patches-git/9999 patches || die + + EGIT_REPO_URI="https://sourceware.org/git/glibc.git" + EGIT_CHECKOUT_DIR=${S} + git-r3_src_unpack + else + unpack ${P}.tar.xz + + cd "${WORKDIR}" || die + unpack glibc-${RELEASE_VER}-patches-${PATCH_VER}.tar.xz + use experimental-loong && unpack glibc-2.35-loongarch-patches-20220422.tar.xz + fi + + cd "${WORKDIR}" || die + unpack locale-gen-${LOCALE_GEN_VER}.tar.gz + use systemd && unpack glibc-systemd-${GLIBC_SYSTEMD_VER}.tar.gz +} + +src_prepare() { + local patchsetname + if ! use vanilla ; then + if [[ ${PV} == 9999* ]] ; then + patchsetname="from git master" + else + patchsetname="${RELEASE_VER}-${PATCH_VER}" + fi + einfo "Applying Gentoo Glibc Patchset ${patchsetname}" + eapply "${WORKDIR}"/patches + einfo "Done." + + if use experimental-loong ; then + einfo "Applying experimental LoongArch patchset" + eapply "${WORKDIR}"/loongarch-2.35 + einfo "Done." + fi + fi + + if use clone3 ; then + append-cppflags -DGENTOO_USE_CLONE3 + else + # See e.g. bug #827386, bug #819045. + elog "Disabling the clone3 syscall for compatibility with older Electron apps." + elog "Please re-enable this flag before filing bugs!" + fi + + default + + gnuconfig_update + + cd "${WORKDIR}" + find . -name configure -exec touch {} + + + # move the external locale-gen to its old place + mkdir extra || die + mv locale-gen-${LOCALE_GEN_VER} extra/locale || die + + eprefixify extra/locale/locale-gen + + # Fix permissions on some of the scripts. + chmod u+x "${S}"/scripts/*.sh + + cd "${S}" +} + +glibc_do_configure() { + + local v + for v in ABI CBUILD CHOST CTARGET CBUILD_OPT CTARGET_OPT CC CXX LD {AS,C,CPP,CXX,LD}FLAGS MAKEINFO NM AR AS STRIP RANLIB OBJCOPY STRINGS OBJDUMP READELF; do + einfo " $(printf '%15s' ${v}:) ${!v}" + done + + echo + local myconf=() + + # Use '=strong' instead of '=all' to protect only functions + # worth protecting from stack smashes. + myconf+=( --enable-stack-protector=$(usex ssp strong no) ) + + # Keep a whitelist of targets supporing IFUNC. glibc's ./configure + # is not robust enough to detect proper support: + # https://bugs.gentoo.org/641216 + # https://sourceware.org/PR22634#c0 + case $(tc-arch ${CTARGET}) in + # Keep whitelist of targets where autodetection mostly works. + amd64|x86|sparc|ppc|ppc64|arm|arm64|s390) ;; + # Blacklist everywhere else + *) myconf+=( libc_cv_ld_gnu_indirect_function=no ) ;; + esac + + # Enable Intel Control-flow Enforcement Technology on amd64 if requested + case ${CTARGET} in + x86_64-*) myconf+=( $(use_enable cet) ) ;; + *) ;; + esac + + [[ $(tc-is-softfloat) == "yes" ]] && myconf+=( --without-fp ) + + myconf+=( --enable-kernel=${MIN_KERN_VER} ) + + # Since SELinux support is only required for nscd, only enable it if: + # 1. USE selinux + # 2. only for the primary ABI on multilib systems + # 3. Not a crosscompile + if ! is_crosscompile && use selinux ; then + if use multilib ; then + if is_final_abi ; then + myconf+=( --with-selinux ) + else + myconf+=( --without-selinux ) + fi + else + myconf+=( --with-selinux ) + fi + else + myconf+=( --without-selinux ) + fi + + # Force a few tests where we always know the answer but + # configure is incapable of finding it. + if is_crosscompile ; then + export \ + libc_cv_c_cleanup=yes \ + libc_cv_forced_unwind=yes + fi + + myconf+=( + --disable-werror + --enable-bind-now + --build=${CBUILD_OPT:-${CBUILD}} + --host=${CTARGET_OPT:-${CTARGET}} + $(use_enable profile) + $(use_with gd) + --with-headers=$(build_eprefix)$(alt_build_headers) + --prefix="$(host_eprefix)/usr" + --sysconfdir="$(host_eprefix)/etc" + --localstatedir="$(host_eprefix)/var" + --libdir='$(prefix)'/$(get_libdir) + --mandir='$(prefix)'/share/man + --infodir='$(prefix)'/share/info + --libexecdir='$(libdir)'/misc/glibc + --with-bugurl=https://bugs.gentoo.org/ + --with-pkgversion="$(glibc_banner)" + $(use_enable crypt) + $(use_multiarch || echo --disable-multi-arch) + $(use_enable systemtap) + $(use_enable nscd) + + # locale data is arch-independent + # https://bugs.gentoo.org/753740 + libc_cv_complocaledir='${exec_prefix}/lib/locale' + + # -march= option tricks build system to infer too + # high ISA level: https://sourceware.org/PR27318 + libc_cv_include_x86_isa_level=no + # Explicit override of https://sourceware.org/PR27991 + # exposes a bug in glibc's configure: + # https://sourceware.org/PR27991 + libc_cv_have_x86_lahf_sahf=no + libc_cv_have_x86_movbe=no + + ${EXTRA_ECONF} + ) + + # We rely on sys-libs/timezone-data for timezone tools normally. + myconf+=( $(use_enable vanilla timezone-tools) ) + + # These libs don't have configure flags. + ac_cv_lib_audit_audit_log_user_avc_message=$(usex audit || echo no) + ac_cv_lib_cap_cap_init=$(usex caps || echo no) + + # There is no configure option for this and we need to export it + # since the glibc build will re-run configure on itself + export libc_cv_rootsbindir="$(host_eprefix)/sbin" + export libc_cv_slibdir="$(host_eprefix)/$(get_libdir)" + + local builddir=$(builddir nptl) + mkdir -p "${builddir}" + cd "${builddir}" + set -- "${S}"/configure "${myconf[@]}" + echo "$@" + "$@" || die "failed to configure glibc" + + # ia64 static cross-compilers are a pita in so much that they + # can't produce static ELFs (as the libgcc.a is broken). so + # disable building of the programs for those targets if it + # doesn't work. + # XXX: We could turn this into a compiler test, but ia64 is + # the only one that matters, so this should be fine for now. + if is_crosscompile && [[ ${CTARGET} == ia64* ]] ; then + sed -i '1i+link-static = touch $@' config.make + fi + + # If we're trying to migrate between ABI sets, we need + # to lie and use a local copy of gcc. Like if the system + # is built with MULTILIB_ABIS="amd64 x86" but we want to + # add x32 to it, gcc/glibc don't yet support x32. + # + if [[ -n ${GCC_BOOTSTRAP_VER} ]] && use multilib-bootstrap ; then + echo 'main(){}' > "${T}"/test.c + if ! $(tc-getCC ${CTARGET}) ${CFLAGS} ${LDFLAGS} "${T}"/test.c -Wl,-emain -lgcc 2>/dev/null ; then + sed -i -e '/^CC = /s:$: -B$(objdir)/../'"gcc-multilib-bootstrap-${GCC_BOOTSTRAP_VER}/${ABI}:" config.make || die + fi + fi +} + +glibc_headers_configure() { + export ABI=default + + local builddir=$(builddir "headers") + mkdir -p "${builddir}" + cd "${builddir}" + + # if we don't have a compiler yet, we can't really test it now ... + # hopefully they don't affect header generation, so let's hope for + # the best here ... + local v vars=( + ac_cv_header_cpuid_h=yes + libc_cv_{386,390,alpha,arm,hppa,ia64,mips,{powerpc,sparc}{,32,64},sh,x86_64}_tls=yes + libc_cv_asm_cfi_directives=yes + libc_cv_broken_visibility_attribute=no + libc_cv_c_cleanup=yes + libc_cv_compiler_powerpc64le_binary128_ok=yes + libc_cv_forced_unwind=yes + libc_cv_gcc___thread=yes + libc_cv_mlong_double_128=yes + libc_cv_mlong_double_128ibm=yes + libc_cv_ppc_machine=yes + libc_cv_ppc_rel16=yes + libc_cv_predef_fortify_source=no + libc_cv_target_power8_ok=yes + libc_cv_visibility_attribute=yes + libc_cv_z_combreloc=yes + libc_cv_z_execstack=yes + libc_cv_z_initfirst=yes + libc_cv_z_nodelete=yes + libc_cv_z_nodlopen=yes + libc_cv_z_relro=yes + libc_mips_abi=${ABI} + libc_mips_float=$([[ $(tc-is-softfloat) == "yes" ]] && echo soft || echo hard) + # These libs don't have configure flags. + ac_cv_lib_audit_audit_log_user_avc_message=no + ac_cv_lib_cap_cap_init=no + ) + + einfo "Forcing cached settings:" + for v in "${vars[@]}" ; do + einfo " ${v}" + export ${v} + done + + local headers_only_arch_CPPFLAGS=() + + # Blow away some random CC settings that screw things up. #550192 + if [[ -d ${S}/sysdeps/mips ]]; then + pushd "${S}"/sysdeps/mips >/dev/null + sed -i -e '/^CC +=/s:=.*:= -D_MIPS_SZPTR=32:' mips32/Makefile mips64/n32/Makefile || die + sed -i -e '/^CC +=/s:=.*:= -D_MIPS_SZPTR=64:' mips64/n64/Makefile || die + + # Force the mips ABI to the default. This is OK because the set of + # installed headers in this phase is the same between the 3 ABIs. + # If this ever changes, this hack will break, but that's unlikely + # as glibc discourages that behavior. + # https://crbug.com/647033 + sed -i -e 's:abiflag=.*:abiflag=_ABIO32:' preconfigure || die + + popd >/dev/null + fi + + case ${CTARGET} in + riscv*) + # RISC-V interrogates the compiler to determine which target to + # build. If building the headers then we don't strictly need a + # RISC-V compiler, so the built-in definitions that are provided + # along with all RISC-V compiler might not exist. This causes + # glibc's RISC-V preconfigure script to blow up. Since we're just + # building the headers any value will actually work here, so just + # pick the standard one (rv64g/lp64d) to make the build scripts + # happy for now -- the headers are all the same anyway so it + # doesn't matter. + headers_only_arch_CPPFLAGS+=( + -D__riscv_xlen=64 + -D__riscv_flen=64 + -D__riscv_float_abi_double=1 + -D__riscv_atomic=1 + ) ;; + esac + + local myconf=() + myconf+=( + --disable-sanity-checks + --enable-hacker-mode + --disable-werror + --enable-bind-now + --build=${CBUILD_OPT:-${CBUILD}} + --host=${CTARGET_OPT:-${CTARGET}} + --with-headers=$(build_eprefix)$(alt_build_headers) + --prefix="$(host_eprefix)/usr" + ${EXTRA_ECONF} + ) + + # Nothing is compiled here which would affect the headers for the target. + # So forcing CC/CFLAGS is sane. + local headers_only_CC=$(tc-getBUILD_CC) + local headers_only_CFLAGS="-O1 -pipe" + local headers_only_CPPFLAGS="-U_FORTIFY_SOURCE ${headers_only_arch_CPPFLAGS[*]}" + local headers_only_LDFLAGS="" + set -- "${S}"/configure "${myconf[@]}" + echo \ + "CC=${headers_only_CC}" \ + "CFLAGS=${headers_only_CFLAGS}" \ + "CPPFLAGS=${headers_only_CPPFLAGS}" \ + "LDFLAGS=${headers_only_LDFLAGS}" \ + "$@" + CC=${headers_only_CC} \ + CFLAGS=${headers_only_CFLAGS} \ + CPPFLAGS=${headers_only_CPPFLAGS} \ + LDFLAGS="" \ + "$@" || die "failed to configure glibc" +} + +do_src_configure() { + if just_headers ; then + glibc_headers_configure + else + glibc_do_configure nptl + fi +} + +src_configure() { + foreach_abi do_src_configure +} + +do_src_compile() { + emake -C "$(builddir nptl)" +} + +src_compile() { + if just_headers ; then + return + fi + + foreach_abi do_src_compile +} + +glibc_src_test() { + cd "$(builddir nptl)" + + local myxfailparams="" + if [[ "${GENTOO_GLIBC_XFAIL_TESTS}" == "yes" ]] ; then + for myt in ${XFAIL_TEST_LIST[@]} ; do + myxfailparams+="test-xfail-${myt}=yes " + done + fi + + # sandbox does not understand unshare() and prevents + # writes to /proc/, which makes many tests fail + + SANDBOX_ON=0 LD_PRELOAD= emake ${myxfailparams} check +} + +do_src_test() { + local ret=0 + + glibc_src_test + : $(( ret |= $? )) + + return ${ret} +} + +src_test() { + if just_headers ; then + return + fi + + # Give tests more time to complete. + export TIMEOUTFACTOR=5 + + foreach_abi do_src_test || die "tests failed" +} + +run_locale_gen() { + # if the host locales.gen contains no entries, we'll install everything + local root="$1" + local inplace="" + + if [[ "${root}" == "--inplace-glibc" ]] ; then + inplace="--inplace-glibc" + root="$2" + fi + + local locale_list="${root%/}/etc/locale.gen" + + pushd "${ED}"/$(get_libdir) >/dev/null + + if [[ -z $(locale-gen --list --config "${locale_list}") ]] ; then + [[ -z ${inplace} ]] && ewarn "Generating all locales; edit /etc/locale.gen to save time/space" + locale_list="${root%/}/usr/share/i18n/SUPPORTED" + fi + + set -- locale-gen ${inplace} --jobs $(makeopts_jobs) --config "${locale_list}" \ + --destdir "${root}" + echo "$@" + "$@" + + popd >/dev/null +} + +glibc_do_src_install() { + local builddir=$(builddir nptl) + cd "${builddir}" + + emake install_root="${D}/$(build_eprefix)$(alt_prefix)" install + + # This version (2.26) provides some compatibility libraries for the NIS/NIS+ support + # which come without headers etc. Only needed for binary packages since the + # external net-libs/libnsl has increased soversion. Keep only versioned libraries. + find "${D}" -name "libnsl.a" -delete + find "${D}" -name "libnsl.so" -delete + + # Normally upstream_pv is ${PV}. Live ebuilds are exception, there we need + # to infer upstream version: + # '#define VERSION "2.26.90"' -> '2.26.90' + local upstream_pv=$(sed -n -r 's/#define VERSION "(.*)"/\1/p' "${S}"/version.h) + + # Avoid stripping binaries not targeted by ${CHOST}. Or else + # ${CHOST}-strip would break binaries build for ${CTARGET}. + is_crosscompile && dostrip -x / + # gdb thread introspection relies on local libpthreas symbols. stripping breaks it + # See Note [Disable automatic stripping] + dostrip -x $(alt_libdir)/libpthread-${upstream_pv}.so + + if [[ -e ${ED}/$(alt_usrlibdir)/libm-${upstream_pv}.a ]] ; then + # Move versioned .a file out of libdir to evade portage QA checks + # instead of using gen_usr_ldscript(). We fix ldscript as: + # "GROUP ( /usr/lib64/libm-.a ..." -> "GROUP ( /usr/lib64/glibc-/libm-.a ..." + sed -i "s@\(libm-${upstream_pv}.a\)@${P}/\1@" "${ED}"/$(alt_usrlibdir)/libm.a || die + dodir $(alt_usrlibdir)/${P} + mv "${ED}"/$(alt_usrlibdir)/libm-${upstream_pv}.a "${ED}"/$(alt_usrlibdir)/${P}/libm-${upstream_pv}.a || die + fi + + # We'll take care of the cache ourselves + rm -f "${ED}"/etc/ld.so.cache + + # Everything past this point just needs to be done once ... + is_final_abi || return 0 + + # Make sure the non-native interp can be found on multilib systems even + # if the main library set isn't installed into the right place. Maybe + # we should query the active gcc for info instead of hardcoding it ? + local i ldso_abi ldso_name + local ldso_abi_list=( + # x86 + amd64 /lib64/ld-linux-x86-64.so.2 + x32 /libx32/ld-linux-x32.so.2 + x86 /lib/ld-linux.so.2 + # mips + o32 /lib/ld.so.1 + n32 /lib32/ld.so.1 + n64 /lib64/ld.so.1 + # powerpc + ppc /lib/ld.so.1 + # riscv + ilp32d /lib/ld-linux-riscv32-ilp32d.so.1 + ilp32 /lib/ld-linux-riscv32-ilp32.so.1 + lp64d /lib/ld-linux-riscv64-lp64d.so.1 + lp64 /lib/ld-linux-riscv64-lp64.so.1 + # s390 + s390 /lib/ld.so.1 + s390x /lib/ld64.so.1 + # sparc + sparc32 /lib/ld-linux.so.2 + sparc64 /lib64/ld-linux.so.2 + ) + case $(tc-endian) in + little) + ldso_abi_list+=( + # arm + arm64 /lib/ld-linux-aarch64.so.1 + # ELFv2 (glibc does not support ELFv1 on LE) + ppc64 /lib64/ld64.so.2 + ) + ;; + big) + ldso_abi_list+=( + # arm + arm64 /lib/ld-linux-aarch64_be.so.1 + # ELFv1 (glibc does not support ELFv2 on BE) + ppc64 /lib64/ld64.so.1 + ) + ;; + esac + if [[ ${SYMLINK_LIB} == "yes" ]] && [[ ! -e ${ED}/$(alt_prefix)/lib ]] ; then + dosym $(get_abi_LIBDIR ${DEFAULT_ABI}) $(alt_prefix)/lib + fi + for (( i = 0; i < ${#ldso_abi_list[@]}; i += 2 )) ; do + ldso_abi=${ldso_abi_list[i]} + has ${ldso_abi} $(get_install_abis) || continue + + ldso_name="$(alt_prefix)${ldso_abi_list[i+1]}" + if [[ ! -L ${ED}/${ldso_name} && ! -e ${ED}/${ldso_name} ]] ; then + dosym ../$(get_abi_LIBDIR ${ldso_abi})/${ldso_name##*/} ${ldso_name} + fi + done + + # In the LSB 5.0 definition, someone had the excellent idea to "standardize" + # the runtime loader name, see also https://xkcd.com/927/ + # Normally, in Gentoo one should never come across executables that require this. + # However, binary commercial packages are known to adhere to weird practices. + # https://refspecs.linuxfoundation.org/LSB_5.0.0/LSB-Core-AMD64/LSB-Core-AMD64.html#BASELIB + local lsb_ldso_name native_ldso_name lsb_ldso_abi + local lsb_ldso_abi_list=( + # x86 + amd64 ld-linux-x86-64.so.2 ld-lsb-x86-64.so.3 + ) + for (( i = 0; i < ${#lsb_ldso_abi_list[@]}; i += 3 )) ; do + lsb_ldso_abi=${lsb_ldso_abi_list[i]} + native_ldso_name=${lsb_ldso_abi_list[i+1]} + lsb_ldso_name=${lsb_ldso_abi_list[i+2]} + has ${lsb_ldso_abi} $(get_install_abis) || continue + + if [[ ! -L ${ED}/$(get_abi_LIBDIR ${lsb_ldso_abi})/${lsb_ldso_name} && ! -e ${ED}/$(get_abi_LIBDIR ${lsb_ldso_abi})/${lsb_ldso_name} ]] ; then + dosym ${native_ldso_name} "$(alt_prefix)/$(get_abi_LIBDIR ${lsb_ldso_abi})/${lsb_ldso_name}" + fi + done + + # With devpts under Linux mounted properly, we do not need the pt_chown + # binary to be setuid. This is because the default owners/perms will be + # exactly what we want. + if ! use suid ; then + find "${ED}" -name pt_chown -exec chmod -s {} + + fi + + ################################################################# + # EVERYTHING AFTER THIS POINT IS FOR NATIVE GLIBC INSTALLS ONLY # + # Make sure we install some symlink hacks so that when we build + # a 2nd stage cross-compiler, gcc finds the target system + # headers correctly. See gcc/doc/gccinstall.info + if is_crosscompile ; then + # We need to make sure that /lib and /usr/lib always exists. + # gcc likes to use relative paths to get to its multilibs like + # /usr/lib/../lib64/. So while we don't install any files into + # /usr/lib/, we do need it to exist. + keepdir $(alt_prefix)/lib + keepdir $(alt_prefix)/usr/lib + + dosym usr/include $(alt_prefix)/sys-include + return 0 + fi + + # Files for Debian-style locale updating + dodir /usr/share/i18n + sed \ + -e "/^#/d" \ + -e "/SUPPORTED-LOCALES=/d" \ + -e "s: \\\\::g" -e "s:/: :g" \ + "${S}"/localedata/SUPPORTED > "${ED}"/usr/share/i18n/SUPPORTED \ + || die "generating /usr/share/i18n/SUPPORTED failed" + cd "${WORKDIR}"/extra/locale + dosbin locale-gen + doman *.[0-8] + insinto /etc + doins locale.gen + + keepdir /usr/lib/locale + + cd "${S}" + + # Install misc network config files + insinto /etc + doins posix/gai.conf + + if use systemd ; then + doins "${WORKDIR}/glibc-systemd-${GLIBC_SYSTEMD_VER}/gentoo-config/nsswitch.conf" + else + doins nss/nsswitch.conf + fi + + # Gentoo-specific + newins "${FILESDIR}"/host.conf-1 host.conf + + if use nscd ; then + doins nscd/nscd.conf + + newinitd "$(prefixify_ro "${FILESDIR}"/nscd-1)" nscd + + local nscd_args=( + -e "s:@PIDFILE@:$(strings "${ED}"/usr/sbin/nscd | grep nscd.pid):" + ) + + sed -i "${nscd_args[@]}" "${ED}"/etc/init.d/nscd + + use systemd && systemd_dounit nscd/nscd.service + newtmpfiles nscd/nscd.tmpfiles nscd.conf + fi + + echo 'LDPATH="include ld.so.conf.d/*.conf"' > "${T}"/00glibc + doenvd "${T}"/00glibc + + for d in BUGS ChangeLog CONFORMANCE FAQ NEWS NOTES PROJECTS README* ; do + [[ -s ${d} ]] && dodoc ${d} + done + dodoc -r ChangeLog.old + + # Prevent overwriting of the /etc/localtime symlink. We'll handle the + # creation of the "factory" symlink in pkg_postinst(). + rm -f "${ED}"/etc/localtime + + # Generate all locales if this is a native build as locale generation + if use compile-locales && ! is_crosscompile ; then + run_locale_gen --inplace-glibc "${ED}/" + sed -e 's:COMPILED_LOCALES="":COMPILED_LOCALES="1":' -i "${ED}"/usr/sbin/locale-gen || die + fi +} + +glibc_headers_install() { + local builddir=$(builddir "headers") + cd "${builddir}" + emake install_root="${D}/$(build_eprefix)$(alt_prefix)" install-headers + + insinto $(alt_headers)/gnu + doins "${S}"/include/gnu/stubs.h + + # Make sure we install the sys-include symlink so that when + # we build a 2nd stage cross-compiler, gcc finds the target + # system headers correctly. See gcc/doc/gccinstall.info + dosym usr/include $(alt_prefix)/sys-include +} + +src_install() { + if just_headers ; then + export ABI=default + glibc_headers_install + return + fi + + foreach_abi glibc_do_src_install + + if ! use static-libs ; then + einfo "Not installing static glibc libraries" + find "${ED}" -name "*.a" -and -not -name "*_nonshared.a" -delete + fi +} + +# Simple test to make sure our new glibc isn't completely broken. +# Make sure we don't test with statically built binaries since +# they will fail. Also, skip if this glibc is a cross compiler. +# +# If coreutils is built with USE=multicall, some of these files +# will just be wrapper scripts, not actual ELFs we can test. +glibc_sanity_check() { + cd / #228809 + + # We enter ${ED} so to avoid trouble if the path contains + # special characters; for instance if the path contains the + # colon character (:), then the linker will try to split it + # and look for the libraries in an unexpected place. This can + # lead to unsafe code execution if the generated prefix is + # within a world-writable directory. + # (e.g. /var/tmp/portage:${HOSTNAME}) + pushd "${ED}"/$(get_libdir) >/dev/null + + # first let's find the actual dynamic linker here + # symlinks may point to the wrong abi + local newldso=$(find . -maxdepth 1 -name 'ld*so.?' -type f -print -quit) + + einfo Last-minute run tests with ${newldso} in /$(get_libdir) ... + + local x striptest + for x in cal date env free ls true uname uptime ; do + x=$(type -p ${x}) + [[ -z ${x} || ${x} != ${EPREFIX}/* ]] && continue + striptest=$(LC_ALL="C" file -L ${x} 2>/dev/null) || continue + case ${striptest} in + *"statically linked"*) continue;; + *"ASCII text"*) continue;; + esac + # We need to clear the locale settings as the upgrade might want + # incompatible locale data. This test is not for verifying that. + LC_ALL=C \ + ${newldso} --library-path . ${x} > /dev/null \ + || die "simple run test (${x}) failed" + done + + popd >/dev/null +} + +pkg_preinst() { + # nothing to do if just installing headers + just_headers && return + + # prepare /etc/ld.so.conf.d/ for files + mkdir -p "${EROOT}"/etc/ld.so.conf.d + + # Default /etc/hosts.conf:multi to on for systems with small dbs. + if [[ $(wc -l < "${EROOT}"/etc/hosts) -lt 1000 ]] ; then + sed -i '/^multi off/s:off:on:' "${ED}"/etc/host.conf + einfo "Defaulting /etc/host.conf:multi to on" + fi + + [[ -n ${ROOT} ]] && return 0 + [[ -d ${ED}/$(get_libdir) ]] || return 0 + [[ -z ${BOOTSTRAP_RAP} ]] && glibc_sanity_check + + if [[ -L ${EROOT}/usr/lib/locale ]]; then + # Help portage migrate this to a directory + # https://bugs.gentoo.org/753740 + rm "${EROOT}"/usr/lib/locale || die + fi + + # Keep around libcrypt so that Perl doesn't break when merging libxcrypt + # (libxcrypt is the new provider for now of libcrypt.so.{1,2}). + # bug #802207 + if ! use crypt && has_version "${CATEGORY}/${PN}[crypt]" && ! has preserve-libs ${FEATURES}; then + PRESERVED_OLD_LIBCRYPT=1 + cp -p "${EROOT}/$(get_libdir)/libcrypt$(get_libname 1)" "${T}/libcrypt$(get_libname 1)" || die + else + PRESERVED_OLD_LIBCRYPT=0 + fi +} + +pkg_postinst() { + # nothing to do if just installing headers + just_headers && return + + if ! tc-is-cross-compiler && [[ -x ${EROOT}/usr/sbin/iconvconfig ]] ; then + # Generate fastloading iconv module configuration file. + "${EROOT}"/usr/sbin/iconvconfig --prefix="${ROOT}/" + fi + + if ! is_crosscompile && [[ -z ${ROOT} ]] ; then + use compile-locales || run_locale_gen "${EROOT}/" + fi + + upgrade_warning + + # Check for sanity of /etc/nsswitch.conf, take 2 + if [[ -e ${EROOT}/etc/nsswitch.conf ]] && ! has_version sys-auth/libnss-nis ; then + local entry + for entry in passwd group shadow; do + if egrep -q "^[ \t]*${entry}:.*nis" "${EROOT}"/etc/nsswitch.conf; then + ewarn "" + ewarn "Your ${EROOT}/etc/nsswitch.conf uses NIS. Support for that has been" + ewarn "removed from glibc and is now provided by the package" + ewarn " sys-auth/libnss-nis" + ewarn "Install it now to keep your NIS setup working." + ewarn "" + fi + done + fi + + if [[ ${PRESERVED_OLD_LIBCRYPT} -eq 1 ]] ; then + cp -p "${T}/libcrypt$(get_libname 1)" "${EROOT}/$(get_libdir)/libcrypt$(get_libname 1)" || die + preserve_old_lib_notify /$(get_libdir)/libcrypt$(get_libname 1) + + elog "Please ignore a possible later error message about a file collision involving" + elog "${EROOT}/$(get_libdir)/libcrypt$(get_libname 1). We need to preserve this file for the moment to keep" + elog "the upgrade working, but it also needs to be overwritten when" + elog "sys-libs/libxcrypt is installed. See bug 802210 for more details." + fi +} diff --git a/sys-libs/glibc/glibc-9999.ebuild b/sys-libs/glibc/glibc-9999.ebuild index 94842d8172b7..0ccad6a681c1 100644 --- a/sys-libs/glibc/glibc-9999.ebuild +++ b/sys-libs/glibc/glibc-9999.ebuild @@ -994,11 +994,6 @@ glibc_do_configure() { export libc_cv_rootsbindir="$(host_eprefix)/sbin" export libc_cv_slibdir="$(host_eprefix)/$(get_libdir)" - # We take care of patching our binutils to use both hash styles, - # and many people like to force gnu hash style only, so disable - # this overriding check. #347761 - export libc_cv_hashstyle=no - local builddir=$(builddir nptl) mkdir -p "${builddir}" cd "${builddir}" diff --git a/sys-libs/glibc/metadata.xml b/sys-libs/glibc/metadata.xml index 613e58eff7ee..e00a008ac5c3 100644 --- a/sys-libs/glibc/metadata.xml +++ b/sys-libs/glibc/metadata.xml @@ -11,6 +11,7 @@ build *all* locales in src_install; this is generally meant for stage building only as it ignores /etc/locale.gen file and can be pretty slow build and install libcrypt and crypt.h When USE=hardened, allow fortify/stack violations to dump core (SIGABRT) and not kill self (SIGKILL) + Add experimental LoongArch patchset build memusage and memusagestat tools enable optimizations for multiple CPU architectures (detected at runtime) Provide prebuilt libgcc.a and crt files if missing. Only needed for ABI switch. -- cgit v1.2.3