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# Build script for gcc.
#
# Copyright (c) 2016-2019 Matias Fonzo, <selk@dragora.org>.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
version=9-20191012
# Prerequisites
gmp_version=6.1.2
mpfr_version=4.0.2
mpc_version=1.1.0
isl_version=0.21
cd -- "$TMPDIR"
rm -rf gcc-${version} gmp-${gmp_version} \
mpfr-${mpfr_version} mpc-${mpc_version} isl-${isl_version}
unpack "${worktree}/sources/gcc-${version}.tar.xz" \
"${worktree}/sources/gmp-${gmp_version}.tar.lz" \
"${worktree}/sources/mpfr-${mpfr_version}.tar.bz2" \
"${worktree}/sources/mpc-${mpc_version}.tar.gz" \
"${worktree}/sources/isl-${isl_version}.tar.bz2"
# Build instructions
cd gcc-${version}
# Make symlinks for requisites
ln -s ../gmp-${gmp_version} gmp
ln -s ../mpfr-${mpfr_version} mpfr
ln -s ../mpc-${mpc_version} mpc
ln -s ../isl-${isl_version} isl
# Apply patches for MPFR
(
cd mpfr || exit 1
for file in "${worktree}"/patches/mpfr/*
do
if test -f "$file"
then
rm -f PATCHES
patch -p1 < "$file"
fi
done
)
# Update detection for hosts based on musl
cp -f "${worktree}/archive/common/config.guess" gmp/configfsf.guess
cp -f "${worktree}/archive/common/config.sub" gmp/config.sub
for directory in mpfr mpc isl
do
cp -f "${worktree}/archive/common/config.guess" ${directory}/config.guess
cp -f "${worktree}/archive/common/config.sub" ${directory}/config.sub
done
unset directory
# Apply specific patches for the support in musl.
# http://port70.net/~nsz/musl/gcc-9.1.0/
patch -Np1 -i "${worktree}/patches/gcc/230-musl_libssp.patch"
patch -Np1 -i "${worktree}/patches/gcc/0002-posix_memalign.patch"
patch -Np1 -i "${worktree}/patches/gcc/0003-libatomic-test-fix.patch"
patch -Np1 -i "${worktree}/patches/gcc/0004-libgomp-test-fix.patch"
patch -Np1 -i "${worktree}/patches/gcc/0005-libitm-test-fix.patch"
patch -Np1 -i "${worktree}/patches/gcc/0006-libvtv-test-fix.patch"
patch -Np1 -i "${worktree}/patches/gcc/0007-j2.patch"
patch -Np1 -i "${worktree}/patches/gcc/0008-s390x-muslldso.patch"
patch -Np1 -i "${worktree}/patches/gcc/0009-microblaze-pr65649.patch"
patch -Np1 -i "${worktree}/patches/gcc/0010-ldbl128-config.patch"
patch -Np1 -i "${worktree}/patches/gcc/0011-m68k.patch"
patch -Np1 -i "${worktree}/patches/gcc/0012-static-pie.patch"
patch -Np1 -i "${worktree}/patches/gcc/0013-invalid-tls-model.patch"
# Build in a separate directory
rm -rf ../gcc-build
mkdir ../gcc-build
cd ../gcc-build
option_list="
--prefix="$crossdir" \
--libdir="${crossdir}/lib${libSuffix}" \
--build=$host \
--host=$host \
--target=$target \
--enable-languages=c,c++ \
--enable-clocale=generic \
--enable-tls \
--enable-libstdcxx-time \
--enable-checking=release \
--enable-fully-dynamic-string \
--enable-libssp \
--disable-symvers \
--disable-gnu-indirect-function \
--disable-libmudflap \
--disable-libsanitizer \
--disable-libmpx \
--disable-nls \
--disable-lto-plugin \
--with-sysroot="${crossdir}/$target" \
$multilib_options \
$gcc_options
"
if test -n "$IS_DARKCRUSADE"
then
../gcc-${version}/configure CC="$BTCC" CXX="$BTCXX" AR="ar" \
CFLAGS="$BTCFLAGS" CXXFLAGS="$BTCXXFLAGS" LDFLAGS="$BTLDFLAGS" \
$option_list
else
../gcc-${version}/configure AR="ar" \
CFLAGS="$BTCFLAGS" CXXFLAGS="$BTCXXFLAGS" LDFLAGS="$BTLDFLAGS" \
$option_list
fi
unset option_list IS_DARKCRUSADE
make -j${jobs} all \
AS_FOR_TARGET="${target}-as" \
LD_FOR_TARGET="${target}-ld"
make -j${jobs} install
# Inset again libssp_nonshared.a overwritten the recent library
${target}-gcc \
-c "${worktree}/archive/gcc/__stack_chk_fail_local.c" \
-o __stack_chk_fail_local.o
${target}-ar rc libssp_nonshared.a __stack_chk_fail_local.o
${target}-ranlib libssp_nonshared.a
cp -f libssp_nonshared.a "${crossdir}/${target}/lib/"
cd -- "$TMPDIR"
cleanup()
{
rm -rf gcc-${version} gcc-build \
gmp-${gmp_version} mpfr-${mpfr_version} \
mpc-${mpc_version} isl-${isl_version}
}
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