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#!/bin/sh -e
# TODO Cleanup non-libgccjit items.
sys_arch=${3:-$(uname -m)}
sed_i() {
for file; do :; done
sed "$@" > _
cat _ > "$file"; rm -f _
}
if [ "${sys_arch#i*86}" ]; then
# Do not create lib64 directories
sed_i '/m64=/s/lib64/lib/' gcc/gcc/config/i386/t-linux64
sed_i 's/lib64/lib/' gcc/gcc/config/i386/linux64.h
fi
# FIXME: there is an offset on the diff, causing 'busybox patch' to fail.
(cd gcc; patch -p1 < ../gccjit-musl-fix.patch)
case "$sys_arch" in
i*86) archopts="--build=i686-pc-linux-musl" ;;
x86_64) archopts="--build=x86_64-pc-linux-musl"
esac
# Build must happen outside of gcc source.
mkdir -p gcc-build
cd gcc-build
export libat_cv_have_ifunc=no
../gcc/configure \
--prefix=/usr \
"$archopts" \
--disable-bootstrap \
--disable-fixed-point \
--disable-libada \
--disable-libquadmath \
--disable-libsanitizer \
--disable-libssp \
--disable-libvtv \
--disable-lto \
--disable-multilib \
--disable-nls \
--disable-symvers \
--disable-werror \
--enable-__cxa_atexit \
--enable-checking=release \
--enable-default-pie \
--enable-default-ssp \
--enable-host-shared \
--enable-languages=jit \
--enable-shared \
--enable-threads \
--enable-tls \
--infodir=/usr/share/info \
--mandir=/usr/share/man \
--with-system-zlib \
--without-included-gettext
make
make DESTDIR="$1" -C gcc install
# Remove unnecessary gcc files.
rm -rf "$1/usr/bin" \
"$1/usr/lib/gcc" \
"$1/usr/libexec" \
"$1/usr/share/man"
# Remove info pages other than libgccjit
find "$1/usr/share/info" -type f ! -name libgccjit.info -exec rm -f {} +
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