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#!/bin/bash
set -e
set -x
make_flags="-j$(nproc)"
apply_patch() {
if [ $# -ge 2 ]; then
pushd $root_dir/$1
shift
else
pushd $root_dir/gcc-source
fi
patch -p1 < $1
popd
}
build_binutils() {
# if binutils_configure_flags is not set at all, give it the default value
if [ -z "${binutils_configure_flags+xxx}" ];
then
# gold is disabled because we don't use it on automation, and also we ran into
# some issues with it using this script in build-clang.py.
#
# --enable-targets builds extra target support in ld.
# Enabling aarch64 support brings in arm support, so we don't need to specify that too.
#
# It is important to have the binutils --target and the gcc --target match,
# so binutils will install binaries in a place that gcc will look for them.
binutils_configure_flags="--enable-targets=aarch64-unknown-linux-gnu --build=x86_64-unknown-linux-gnu --target=x86_64-unknown-linux-gnu --disable-gold --enable-plugins --disable-nls --with-sysroot=/"
fi
mkdir $root_dir/binutils-objdir
pushd $root_dir/binutils-objdir
../binutils-source/configure --prefix=${prefix-/tools/gcc}/ $binutils_configure_flags
make $make_flags
make install $make_flags DESTDIR=$root_dir
export PATH=$root_dir/${prefix-/tools/gcc}/bin:$PATH
popd
}
build_gcc() {
# Be explicit about --build and --target so header and library install
# directories are consistent.
local target="${1:-x86_64-unknown-linux-gnu}"
mkdir $root_dir/gcc-objdir
pushd $root_dir/gcc-objdir
if [ -d $MOZ_FETCHES_DIR/sysroot ]; then
EXTRA_CONFIGURE_FLAGS="--with-build-sysroot=$MOZ_FETCHES_DIR/sysroot"
export CFLAGS_FOR_BUILD="--sysroot=$MOZ_FETCHES_DIR/sysroot"
fi
../gcc-source/configure --prefix=${prefix-/tools/gcc} --build=x86_64-unknown-linux-gnu --target="${target}" --enable-languages=c,c++ --disable-nls --disable-gnu-unique-object --enable-__cxa_atexit --with-arch-32=pentiumpro --with-sysroot=/ $EXTRA_CONFIGURE_FLAGS
make $make_flags
make $make_flags install DESTDIR=$root_dir
cd $root_dir/tools
ln -s gcc gcc/bin/cc
tar caf $root_dir/gcc.tar.zst gcc/
popd
}
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