diff options
Diffstat (limited to 'sys-devel/bpf-toolchain/bpf-toolchain-14.2.0_p1.ebuild')
| -rw-r--r-- | sys-devel/bpf-toolchain/bpf-toolchain-14.2.0_p1.ebuild | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/sys-devel/bpf-toolchain/bpf-toolchain-14.2.0_p1.ebuild b/sys-devel/bpf-toolchain/bpf-toolchain-14.2.0_p1.ebuild new file mode 100644 index 000000000000..847ea82ad412 --- /dev/null +++ b/sys-devel/bpf-toolchain/bpf-toolchain-14.2.0_p1.ebuild @@ -0,0 +1,232 @@ +# Copyright 2022-2024 Gentoo Authors +# Distributed under the terms of the GNU General Public License v2 + +EAPI=8 + +inherit edo flag-o-matic toolchain-funcs + +# Versioning is just the GCC version in full (so may include a snapshot +# date). Unlike dev-util/mingw64-toolchain, which this ebuild was heavily +# inspired by, there's no "third component" here to version on, just +# GCC + binutils. +# +# Do _p1++ rather than revbump on Binutils changes +# Not using Gentoo patchsets for simplicity, their changes are mostly unneeded here. +GCC_PV=${PV%_p*} +BINUTILS_PV=2.43.1 + +DESCRIPTION="All-in-one bpf toolchain for building DTrace and systemd without crossdev" +HOMEPAGE=" + https://gcc.gnu.org/ + https://sourceware.org/binutils/ + https://gcc.gnu.org/wiki/BPFBackEnd +" +SRC_URI=" + mirror://gnu/binutils/binutils-${BINUTILS_PV}.tar.xz +" +if [[ ${GCC_PV} == *-* ]]; then + SRC_URI+=" mirror://gcc/snapshots/${GCC_PV}/gcc-${GCC_PV}.tar.xz" +else + SRC_URI+=" + mirror://gcc/gcc-${GCC_PV}/gcc-${GCC_PV}.tar.xz + mirror://gnu/gcc/gcc-${GCC_PV}/gcc-${GCC_PV}.tar.xz + " +fi +S="${WORKDIR}" + +# l1:binutils+gcc, l2:gcc(libraries) +LICENSE=" + GPL-3+ + LGPL-3+ || ( GPL-3+ libgcc libstdc++ gcc-runtime-library-exception-3.1 ) +" +SLOT="0" +KEYWORDS="~amd64 ~arm64 ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86" +IUSE="+bin-symlinks custom-cflags +strip" + +RDEPEND=" + dev-libs/gmp:= + dev-libs/mpc:= + dev-libs/mpfr:= + sys-libs/zlib:= + virtual/libiconv + bin-symlinks? ( + !cross-bpf-unknown-none/binutils + !cross-bpf-unknown-none/gcc + ) +" +DEPEND="${RDEPEND}" + +PATCHES=() + +pkg_pretend() { + [[ ${MERGE_TYPE} == binary ]] && return + + tc-is-cross-compiler && + die "cross-compilation of the toolchain itself is unsupported" +} + +src_prepare() { + # rename directories to simplify both patching and the ebuild + mv binutils{-${BINUTILS_PV},} || die + mv gcc{-${GCC_PV},} || die + + default +} + +src_compile() { + # src_compile is kept similar to dev-util/mingw64-toolchain + # at least for now for ease of comparison etc. + # + # not great but do everything in src_compile given bootstrapping + # process needs to be done in steps of configure+compile+install + # (done modular to have most package-specific things in one place) + + CTARGET=bpf-unknown-none + + BPFT_D=${T}/root # moved to ${D} in src_install + local bpftdir=/usr/lib/${PN} + local prefix=${EPREFIX}${bpftdir} + local sysroot=${BPFT_D}${prefix} + local -x PATH=${sysroot}/bin:${PATH} + + use custom-cflags || strip-flags # fancy flags are not realistic here + + # global configure flags + local conf=( + --build=${CBUILD:-${CHOST}} + --target=${CTARGET} + --{doc,info,man}dir=/.skip # let the real binutils+gcc handle docs + MAKEINFO=: #922230 + ) + + # binutils + local conf_binutils=( + --prefix="${prefix}" + --host=${CHOST} + --disable-cet + --disable-default-execstack + --disable-nls + --disable-shared + --with-system-zlib + --without-debuginfod + --without-msgpack + --without-zstd + ) + + # gcc (minimal -- if need more, disable only in stage1 / enable in stage3) + local conf_gcc=( + --prefix="${prefix}" + --host=${CHOST} + --disable-bootstrap + --disable-cc1 + --disable-cet + --disable-gcov #843989 + --disable-gomp + --disable-nls # filename collisions + --disable-libcc1 + --disable-libquadmath + --disable-libsanitizer + --disable-libssp + --disable-libvtv + --disable-shared + --disable-werror + --enable-languages=c + --with-gcc-major-version-only + --with-system-zlib + --without-isl + --without-zstd + --disable-multilib + ) + + # libstdc++ may misdetect sys/sdt.h on systemtap-enabled system and fail + # (not passed in conf_gcc above given it is lost in sub-configure calls) + local -x glibcxx_cv_sys_sdt_h=no + + # bpft-build <path/package-name> + # -> ./configure && make && make install && bpft-package() + # passes conf and conf_package to configure, and users can add options + # through environment with e.g. + # BPFT_BINUTILS_CONF="--some-option" + # EXTRA_ECONF="--global-option" (generic naming for if not reading this) + bpft-build() { + local id=${1##*/} + local build_dir=${WORKDIR}/${1}-build + + # econf is not allowed in src_compile and its defaults are + # mostly unused here, so use configure directly + local conf=( "${WORKDIR}/${1}"/configure "${conf[@]}" ) + + local -n conf_id=conf_${id} + [[ ${conf_id@a} == *a* ]] && conf+=( "${conf_id[@]}" ) + + local -n extra_id=BPFT_${id^^}_CONF + conf+=( ${EXTRA_ECONF} ${extra_id} ) + + einfo "Building ${id} in ${build_dir} ..." + + mkdir -p "${build_dir}" || die + pushd "${build_dir}" >/dev/null || die + + edo "${conf[@]}" + emake MAKEINFO=: V=1 + # -j1 to match bug #906155, other packages may be fragile too + emake -j1 MAKEINFO=: V=1 DESTDIR="${BPFT_D}" install + + declare -f bpft-${id} >/dev/null && edo bpft-${id} + + popd >/dev/null || die + } + + # build with same ordering that crossdev would do + bpft-build binutils + bpft-build gcc + + if use bin-symlinks; then + mkdir -p -- "${BPFT_D}${EPREFIX}"/usr/bin/ || die + local bin + for bin in "${sysroot}"/bin/*; do + ln -rs -- "${bin}" "${BPFT_D}${EPREFIX}"/usr/bin/ || die + done + fi + + # Delete libdep.a, which has a colliding name and is useless for bpf, + # which does not make use of cross-library dependencies: the libdep.a + # for the native binutils will do. + rm -f ${sysroot}/lib/bfd-plugins/libdep.a || die + + # portage doesn't know the right strip executable to use for CTARGET + # and it can lead to .a mangling, notably with 32bit (breaks toolchain) + dostrip -x ${bpftdir}/{${CTARGET}/lib{,32},lib/gcc/${CTARGET}} + + # TODO: Check if this is worth doing, it may not be + if use strip; then + einfo "Stripping ${CTARGET} static libraries ..." + find "${sysroot}"/{,lib/gcc/}${CTARGET} -type f -name '*.a' \ + -exec ${CTARGET}-strip --strip-unneeded {} + || die + fi +} + +src_install() { + mv "${BPFT_D}${EPREFIX}"/* "${ED}" || die + + find "${ED}" -type f -name '*.la' -delete || die +} + +pkg_postinst() { + use bin-symlinks && has_version dev-util/shadowman && [[ ! ${ROOT} ]] && + eselect compiler-shadow update all + + if [[ ! ${REPLACING_VERSIONS} ]]; then + elog "Note that this package is primarily intended for DTrace, systemd, and related" + elog "packages to depend on without needing a manual crossdev setup." + elog + elog "Settings are oriented only for what these need and simplicity." + elog "Use sys-devel/crossdev if need full toolchain/customization:" + elog " https://wiki.gentoo.org/wiki/Crossdev" + fi +} + +pkg_postrm() { + use bin-symlinks && has_version dev-util/shadowman && [[ ! ${ROOT} ]] && + eselect compiler-shadow clean all +} |