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+# Copyright 1999-2012 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: $
+
+EAPI=2
+PATCH_VER="1.0"
+UCLIBC_VER="1.0"
+
+# Hardened gcc 4 stuff
+PIE_VER="0.5.5"
+SPECS_VER="0.2.0"
+SPECS_GCC_VER="4.4.3"
+# arch/libc configurations known to be stable with {PIE,SSP}-by-default
+PIE_GLIBC_STABLE="x86 amd64 ppc ppc64 arm ia64"
+PIE_UCLIBC_STABLE="x86 arm amd64 ppc ppc64"
+SSP_STABLE="amd64 x86 ppc ppc64 arm"
+# uclibc need tls and nptl support for SSP support
+# uclibc need to be >= 0.9.33
+SSP_UCLIBC_STABLE="x86 amd64 ppc ppc64 arm"
+#end Hardened stuff
+
+inherit toolchain
+
+DESCRIPTION="The GNU Compiler Collection"
+
+LICENSE="GPL-3 LGPL-3 || ( GPL-3 libgcc libstdc++ gcc-runtime-library-exception-3.1 ) FDL-1.2"
+KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86 ~amd64-fbsd ~x86-fbsd"
+
+RDEPEND="~sys-devel/base-gcc-${PV}
+ !build? (
+ gcj? (
+ gtk? (
+ x11-libs/libXt
+ x11-libs/libX11
+ x11-libs/libXtst
+ x11-proto/xproto
+ x11-proto/xextproto
+ =x11-libs/gtk+-2*
+ x11-libs/pango
+ )
+ >=media-libs/libart_lgpl-2.1
+ app-arch/zip
+ app-arch/unzip
+ )
+ )"
+
+## Make sure we share all the USE flags in sys-devel/base-gcc
+BASE_GCC_USE="fortran gcj gtk mudflap multilib nls nptl openmp altivec
+ bootstrap build doc fixed-point graphite hardened
+ multislot cxx nopie nossp objc objc++ objc-gc test vanilla"
+for base_use in ${BASE_GCC_USE}; do
+ RDEPEND+=" ~sys-devel/base-gcc-${PV}[${base_use}?]"
+done
+IUSE="${BASE_GCC_USE}"
+
+DEPEND="${RDEPEND}
+ amd64? ( multilib? ( gcj? ( app-emulation/emul-linux-x86-xlibs ) ) )"
+## Should this be moved to base-gcc?
+## I guess the cross-* thing is now utterly broken
+if [[ ${CATEGORY} != cross-* ]] ; then
+ PDEPEND="${PDEPEND} elibc_glibc? ( >=sys-libs/glibc-2.8 )"
+fi
+
+## Check for valid gcc profile.
+src_unpack() {
+ # Since Sabayon's gcc ebuild are split into two parts, we have to
+ # build gcc with a different version of gcc, or terrible breakage
+ # will occur after sys-devel/base-gcc is installed, but the
+ # partner sys-devel/gcc still needs to be built.
+
+ # While it is possible to rebuild Sabayon's split gcc from
+ # the same version, we have to disallow this also since
+ # we have no way of discerning if a configuration change
+ # is significant enough to cause breakage.
+
+ GCC_PROFILE_VER=$(cat ${ROOT}/etc/env.d/gcc/config-$CHOST | awk -F- '{ print $NF }')
+ einfo "Checking for valid gcc profile to build ${P}"
+
+ # Construct the Slot of the gcc version in the active profile.
+ GCC_PROFILE_SLOT_MAJOR=$(echo ${GCC_PROFILE_VER} | awk -F. '{ print $1 }')
+ GCC_PROFILE_SLOT_MINOR=$(echo ${GCC_PROFILE_VER} | awk -F. '{ print $2 }')
+ GCC_PROFILE_SLOT="${GCC_PROFILE_SLOT_MAJOR}.${GCC_PROFILE_SLOT_MINOR}"
+ einfo "Current gcc profile version Slot is: ${GCC_PROFILE_SLOT}"
+ if [[ "${GCC_PROFILE_SLOT}" = "${SLOT}" ]] ; then
+ eerror "Error!"
+ eerror "The active gcc-profile is for sys-devel/gcc slot ${SLOT}."
+ eerror "Sabayon's split sys-devel/gcc package MUST be built"
+ eerror "with another slotted version of sys-devel/gcc active."
+ ebeep 10
+ fi
+
+ if has_version '<sys-libs/glibc-2.12' ; then
+ ewarn "Your host glibc is too old; disabling automatic fortify."
+ ewarn "Please rebuild gcc after upgrading to >=glibc-2.12 #362315"
+ EPATCH_EXCLUDE+=" 10_all_default-fortify-source.patch"
+ fi
+
+ # drop the x32 stuff once 4.7 goes stable
+ case ${CHOST} in
+ x86_64*) has x32 $(get_all_abis) || EPATCH_EXCLUDE+=" 80_all_gcc-4.6-x32.patch" ;;
+ esac
+
+ # drop the x32 stuff once 4.7 goes stable
+ if [[ ${CTARGET} != x86_64* ]] || ! has x32 $(get_all_abis TARGET) ; then
+ EPATCH_EXCLUDE+=" 90_all_gcc-4.7-x32.patch"
+ fi
+
+ toolchain_src_unpack
+
+ use vanilla && return 0
+
+ [[ ${CHOST} == ${CTARGET} ]] && epatch "${FILESDIR}"/gcc-spec-env.patch
+
+ # Fix http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47719
+ epatch "${FILESDIR}/${PN}-4.6.2-fix-ICE-on-arm.patch"
+}
+
+## Remove lto conditional
+pkg_setup() {
+ toolchain_pkg_setup
+
+ ewarn
+ ewarn "LTO support is still experimental and unstable."
+ ewarn "Any bugs resulting from the use of LTO will not be fixed."
+ ewarn
+}
+
+## Just install libgcc stuff
+src_install() {
+ toolchain_src_install
+
+ # now drop what's provided by sys-devel/base-gcc-${PV}:${SLOT}
+ base_gcc_libs="libgfortran.so* libgcc_s.so* libobjc.so*
+ libobjc_gc.so* libmudflap.so* libmudflapth.so* libgomp.so* libstdc++.so*
+ libquadmath.so*"
+ base_multilib_gcc_libs="32/libgfortran.so* 32/libobjc.so* 32/libobjc_gc.so*
+ 32/libgcc_s.so* 32/libgomp.so* 32/libmudflap.so*
+ 32/libmudflapth.so* 32/libstdc++.so* 32/libquadmath.so*"
+ for gcc_lib in ${base_gcc_libs}; do
+ # -f is used because the file might not be there
+ rm "${D}"${LIBPATH}/${gcc_lib} -rf || die "cannot execute rm on ${gcc_lib}"
+ debug_dir="${D}"/usr/lib/debug
+ if [ -d "${debug_dir}" ]; then
+ rm "${debug_dir}"${LIBPATH}/${gcc_lib}.debug -rf || die "cannot execute rm on ${gcc_lib}.debug"
+ fi
+ done
+ if use multilib; then
+ for gcc_lib in ${base_multilib_gcc_libs}; do
+ # -f is used because the file might not be there
+ rm "${D}"${LIBPATH}/${gcc_lib} -rf || die "cannot execute rm on ${gcc_lib}"
+ debug_dir="${D}"/usr/lib/debug
+ if [ -d "${debug_dir}" ]; then
+ rm "${debug_dir}"${LIBPATH}/${gcc_lib}.debug -rf || die "cannot execute rm on ${gcc_lib}.debug"
+ fi
+ done
+ fi
+ # then .mo files provided by sys-devel/base-gcc-${PV}:${SLOT}
+ find "${D}"${DATAPATH}/locale -name libstdc++.mo -delete
+ find "${D}"${DATAPATH}/info -name libgomp.info* -delete
+ find "${D}"${DATAPATH}/info -name libquadmath.info* -delete
+
+ # drop stuff from env.d, provided by sys-devel/base-gcc-${PV}:${SLOT}
+ rm "${D}"/etc/env.d -rf
+}