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# Copyright 1999-2024 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
TOOLCHAIN_PATCH_DEV="sam"
PATCH_GCC_VER="13.2.0"
MUSL_GCC_VER="13.2.0"
PATCH_VER="16"
MUSL_VER="2"
PYTHON_COMPAT=( python3_{10..12} )
if [[ ${PV} == *.9999 ]] ; then
MY_PV_2=$(ver_cut 2)
MY_PV_3=1
if [[ ${MY_PV_2} == 0 ]] ; then
MY_PV_2=0
MY_PV_3=0
else
MY_PV_2=$((${MY_PV_2} - 1))
fi
# e.g. 12.2.9999 -> 12.1.1
TOOLCHAIN_GCC_PV=$(ver_cut 1).${MY_PV_2}.${MY_PV_3}
elif [[ -n ${TOOLCHAIN_GCC_RC} ]] ; then
# Cheesy hack for RCs
MY_PV=$(ver_cut 1).$((($(ver_cut 2) + 1))).$((($(ver_cut 3) - 1)))-RC-$(ver_cut 5)
MY_P=${PN}-${MY_PV}
GCC_TARBALL_SRC_URI="mirror://gcc/snapshots/${MY_PV}/${MY_P}.tar.xz"
TOOLCHAIN_SET_S=no
S="${WORKDIR}"/${MY_P}
fi
inherit toolchain
if tc_is_live ; then
# Needs to be after inherit (for now?), bug #830908
EGIT_BRANCH=releases/gcc-$(ver_cut 1)
elif [[ -z ${TOOLCHAIN_USE_GIT_PATCHES} ]] ; then
# Don't keyword live ebuilds
KEYWORDS="~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos ~x64-macos ~x64-solaris"
fi
# use alternate source for Apple M1 (also works for x86_64)
SRC_URI+=" elibc_Darwin? ( https://raw.githubusercontent.com/Homebrew/formula-patches/bda0faddfbfb392e7b9c9101056b2c5ab2500508/gcc/gcc-${PV}.diff -> gcc-${PV}-arm64-darwin.patch )"
IUSE+=" bootstrap"
if [[ ${CATEGORY} != cross-* ]] ; then
# Technically only if USE=hardened *too* right now, but no point in complicating it further.
# If GCC is enabling CET by default, we need glibc to be built with support for it.
# bug #830454
RDEPEND="!prefix-guest? ( elibc_glibc? ( sys-libs/glibc[cet(-)?] ) )"
DEPEND="${RDEPEND}"
BDEPEND="amd64? ( >=${CATEGORY}/binutils-2.30[cet(-)?] )
kernel_Darwin? (
|| ( ${CATEGORY}/binutils-apple ${CATEGORY}/native-cctools )
)"
fi
src_prepare() {
# apply big arm64-darwin patch first thing
use elibc_Darwin && eapply "${DISTDIR}"/gcc-${PV}-arm64-darwin.patch
# make sure 64-bits native targets don't screw up the linker paths
eapply "${FILESDIR}"/gcc-12-no-libs-for-startfile.patch
if [[ ${CHOST} == *-darwin* ]] ; then
# https://bugs.gentoo.org/898610#c17
# kill no_pie patch, it breaks things here
rm "${WORKDIR}"/patch/09_all_nopie-all-flags.patch || die
# fails on Darwin's sources
rm "${WORKDIR}"/patch/8[12]_all_*match.pd*.patch || die
rm "${WORKDIR}"/patch/86_all_*seq*.patch || die
rm "${WORKDIR}"/patch/87_all_*MATCHPD*.patch || die
rm "${WORKDIR}"/patch/90_all_*genemit*.patch || die
fi
toolchain_src_prepare
# make it have correct install_names on Darwin
eapply -p1 "${FILESDIR}"/4.3.3/darwin-libgcc_s-installname.patch
if [[ ${CHOST} == powerpc*-darwin* ]] ; then
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=44107
sed -i -e 's|^ifeq (/usr/lib,|ifneq (/usr/lib,|' \
libgcc/config/t-slibgcc-darwin || die
fi
if [[ ${CHOST} == *-solaris* ]] ; then
# madvise is not available in the compatibility mode GCC uses,
# posix_madvise however, is
sed -i -e 's/madvise/posix_madvise/' gcc/cp/module.cc || die
fi
if [[ ${CHOST} == *-darwin* ]] ; then
use bootstrap && eapply "${FILESDIR}"/${PN}-13-darwin14-bootstrap.patch
# our ld64 is a slight bit different, so tweak expression to not
# get confused and break the build
sed -i -e 's/grep ld64/grep :ld64/' gcc/configure || die
# rip out specific macos version min
sed -i -e 's/-mmacosx-version-min=11.0//' \
libgcc/config/aarch64/t-darwin \
libgcc/config/aarch64/t-heap-trampoline \
|| die
fi
eapply "${FILESDIR}"/${PN}-13-fix-cross-fixincludes.patch
eapply_user
}
src_configure() {
local myconf=()
case ${CTARGET}:" ${USE} " in
powerpc*-darwin*)
# bug #381179
filter-flags "-mcpu=*" "-mtune=*"
# bug #657522
# A bug in configure checks whether -no-pie works, but the
# compiler doesn't pass -no-pie onto the linker if -fno-PIE
# isn't passed, so the configure check always finds -no-pie
# is accepted. (Likewise, when -fno-PIE is passed, the
# compiler passes -no_pie onto the linker.)
# Since our linker doesn't grok this, avoid above checks to
# be run
# NOTE: later ld64 does grok -no_pie, not -no-pie (as checked)
export gcc_cv_c_no_fpie=no
export gcc_cv_no_pie=no
;;
*-darwin20)
# use sysroot with the linker, #756160
export gcc_cv_ld_sysroot=yes
;;
*-solaris*)
# todo: some magic for native vs. GNU linking?
myconf+=( --with-gnu-ld --with-gnu-as --enable-largefile )
# Solaris 11 defines this in its headers, but that causes a
# mismatch whilst compiling, bug #657514
#export ac_cv_func_aligned_alloc=no
#export ac_cv_func_memalign=no
#export ac_cv_func_posix_memalign=no
;;
i[34567]86-*-linux*:*" prefix "*)
# to allow the linux-x86-on-amd64.patch become useful, we need
# to enable multilib, even if there is just one multilib option.
myconf+=( --enable-multilib )
if [[ ${CBUILD:-${CHOST}} == "${CHOST}" ]]; then
# we might be on x86_64-linux, but don't do cross-compile, so
# tell the host-compiler to really create 32bits (for stage1)
# (real x86-linux-gcc also accept -m32).
append-flags -m32
fi
;;
esac
if [[ ${CHOST} == *-darwin ]] ; then
# GCC' Darwin fork enables support for "-stdlib=libc++"
# unconditionally, and its default include path is invalid,
# causing package build failures due to missing header.
# But more importantly, it breaks the assumption of many build
# scripts and changes their CFLAGS and linking behaviors. The
# situation is tricky and needs careful considerations.
# For now, just disable support for "-stdlib=libc++".
myconf+=( --with-gxx-libcxx-include-dir=no )
fi
# Since GCC 4.1.2 some non-posix (?) /bin/sh compatible code is used, at
# least on Solaris, and AIX /bin/sh is way too slow,
# so force it to use $BASH (that portage uses) - it can't be EPREFIX
# in case that doesn't exist yet
export CONFIG_SHELL="${CONFIG_SHELL:-${BASH}}"
toolchain_src_configure "${myconf[@]}"
}
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