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# Maintainer: Emil Renner Berthing <aur@esmil.dk>
_target=riscv64-unknown-elf
pkgname=$_target-gcc
pkgver=12.1.0
_islver=0.24
pkgrel=2
#_snapshot=7-20170504
pkgdesc='The GNU Compiler Collection - cross compiler for 32bit and 64bit RISC-V bare-metal'
arch=('i686' 'x86_64')
url='http://gcc.gnu.org/'
license=(GPL LGPL FDL)
depends=("$_target-binutils" 'zlib' 'libmpc')
options=(!emptydirs !strip)
source=("https://gcc.gnu.org/pub/gcc/releases/gcc-$pkgver/gcc-$pkgver.tar.xz"
"https://libisl.sourceforge.io/isl-$_islver.tar.xz")
sha256sums=('62fd634889f31c02b64af2c468f064b47ad1ca78411c45abe6ac4b5f8dd19c7b'
'043105cc544f416b48736fff8caf077fb0663a717d06b1113f16e391ac99ebad')
if [[ -n "$_snapshot" ]]; then
_basedir=gcc-$_snapshot
else
_basedir=gcc-$pkgver
fi
prepare() {
cd $_basedir
# link isl for in-tree builds
ln -sf ../isl-$_islver isl
echo $pkgver > gcc/BASE-VER
# hack! - some configure tests for header files using "$CPP $CPPFLAGS"
sed -i "/ac_cpp=/s/\$CPPFLAGS/\$CPPFLAGS -O2/" {libiberty,gcc}/configure
mkdir -p "$srcdir/build"
}
build() {
cd "$srcdir/build"
# Credits @allanmcrae
# https://github.com/allanmcrae/toolchain/blob/f18604d70c5933c31b51a320978711e4e6791cf1/gcc/PKGBUILD
# TODO: properly deal with the build issues resulting from this
CFLAGS=${CFLAGS/-Werror=format-security/}
CXXFLAGS=${CXXFLAGS/-Werror=format-security/}
"$srcdir/$_basedir/configure" \
CFLAGS_FOR_TARGET='-Os -mcmodel=medany -ffunction-sections -fdata-sections' \
CXXFLAGS_FOR_TARGET='-Os -mcmodel=medany -ffunction-sections -fdata-sections' \
--target=$_target \
--prefix=/usr \
--with-sysroot=/usr/$_target \
--with-native-system-header-dir=/include \
--libexecdir=/usr/lib \
--enable-languages=c,c++ \
--enable-plugins \
--enable-multilib \
--disable-decimal-float \
--disable-libffi \
--enable-checking=yes \
--disable-libgomp \
--disable-libmudflap \
--disable-libquadmath \
--disable-libssp \
--disable-libstdcxx-pch \
--disable-libstdcxx \
--disable-fixinc \
--disable-nls \
--disable-shared \
--disable-threads \
--disable-werror \
--enable-tls \
--with-gnu-as \
--with-gnu-ld \
--with-system-zlib \
--with-newlib \
--with-headers=/usr/$_target/include \
--with-python-dir=share/gcc-$_target \
--with-gmp \
--with-mpfr \
--with-mpc \
--with-isl \
--with-libelf \
--with-arch=rv64imafdc \
--with-abi=lp64d \
--with-pkgversion='Arch User Repository'
make INHIBIT_LIBC_CFLAGS='-DUSE_TM_CLONE_REGISTRY=0'
}
package() {
cd "$srcdir/build"
make -j1 DESTDIR="$pkgdir" install
# strip host binaries
find "$pkgdir/usr/bin/" "$pkgdir/usr/lib/gcc/$_target/$pkgver" -type f -and \( -executable \) -exec strip '{}' \;
# Remove files that conflict with host gcc package
rm -r "$pkgdir"/usr/share/man/man7
rm -r "$pkgdir"/usr/share/info
rm "$pkgdir"/usr/lib/libcc1.*
}
# vim: set ts=2 sw=2 et:
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