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# Maintainer: Jacko Dirks <jacko dot dirks at gmail dot com>
# Contributor: Anatol Pomozov <anatol.pomozov@gmail.com>
# Contributor: Martin Schmölzer <mschmoelzer@gmail.com>
_target=riscv-none-elf
pkgname=$_target-gcc
pkgver=14.2.0
pkgrel=1
pkgdesc='The GNU Compiler Collection - cross compiler for RISC-V (bare-metal) target. Includes C++ nano build.'
arch=(x86_64)
url='https://gcc.gnu.org/'
license=(GPL LGPL FDL)
depends=($_target-binutils zlib libmpc libisl zstd)
makedepends=(gmp mpfr "$_target-newlib")
optdepends=("$_target-newlib: Standard C library optimized for embedded systems")
options=(!emptydirs !lto !strip)
conflicts=("${_target}-gcc-stage1")
replaces=("${_target}-gcc-stage1")
source=(https://ftp.gnu.org/gnu/gcc/gcc-$pkgver/gcc-$pkgver.tar.xz{,.sig})
sha512sums=('932bdef0cda94bacedf452ab17f103c0cb511ff2cec55e9112fc0328cbf1d803b42595728ea7b200e0a057c03e85626f937012e49a7515bc5dd256b2bf4bc396'
'SKIP')
validpgpkeys=(33C235A34C46AA3FFB293709A328C3A2C3C45C06 # Jakub Jelinek <jakub@redhat.com>
D3A93CAD751C2AF4F8C7AD516C35B99309B5FA62 # Jakub Jelinek <jakub@redhat.com>
13975A70E63C361C73AE69EF6EEB81F8981C74C7) # Richard Guenther <richard.guenther@gmail.com>
_basedir=gcc-$pkgver
prepare() {
cd $_basedir
echo $pkgver > gcc/BASE-VER
mkdir "$srcdir"/build-gcc
mkdir "$srcdir"/build-gcc-nano
}
_build_gcc() {
"$srcdir"/$_basedir/configure \
--target=$_target \
--prefix=/usr \
--with-sysroot=/usr/$_target \
--with-native-system-header-dir=/include \
--libexecdir=/usr/lib \
--enable-languages=c,c++ \
--enable-plugins \
--disable-decimal-float \
--disable-libffi \
--disable-libgomp \
--disable-libmudflap \
--disable-libquadmath \
--disable-libssp \
--disable-libstdcxx-pch \
--disable-nls \
--disable-shared \
--disable-threads \
--disable-tls \
--with-gnu-as \
--with-gnu-ld \
--with-system-zlib \
--with-newlib \
--with-headers=/usr/$_target/include \
--with-python-dir=share/gcc-$_target \
--with-gmp \
--with-mpfr \
--with-mpc \
--with-isl \
--with-libelf \
--enable-gnu-indirect-function \
--with-host-libstdcxx='-static-libgcc -Wl,-Bstatic,-lstdc++,-Bdynamic -lm'
make
}
build() {
# Credits @allanmcrae
# https://github.com/allanmcrae/toolchain/blob/f18604d70c5933c31b51a320978711e4e6791cf1/gcc/PKGBUILD
# TODO: properly deal with the build issues resulting from this
CFLAGS=${CFLAGS/-Werror=format-security/}
CXXFLAGS=${CXXFLAGS/-Werror=format-security/}
cd "$srcdir"/build-gcc
export CFLAGS_FOR_TARGET="-g -Os -pipe -ffunction-sections -fdata-sections"
export CXXFLAGS_FOR_TARGET="-g -Os -pipe -ffunction-sections -fdata-sections"
_build_gcc
cd "$srcdir"/build-gcc-nano
export CFLAGS_FOR_TARGET="-g -Oz -pipe -ffunction-sections -fdata-sections"
export CXXFLAGS_FOR_TARGET="-g -Oz -pipe -fno-exceptions -ffunction-sections -fdata-sections"
_build_gcc
}
package() {
cd "$srcdir"/build-gcc
make DESTDIR="$pkgdir" install -j1
cd "$srcdir"/build-gcc-nano
make DESTDIR="$pkgdir.nano" install -j1
# we need only libstdc nano files
multilibs=( $("$pkgdir"/usr/bin/$_target-gcc -print-multi-lib 2>/dev/null) )
for multilib in "${multilibs[@]}"; do
dir="${multilib%%;*}"
from_dir="$pkgdir".nano/usr/$_target/lib/"$dir"
to_dir="$pkgdir"/usr/$_target/lib/"$dir"
cp -f "$from_dir"/libstdc++.a "$to_dir"/libstdc++_nano.a
cp -f "$from_dir"/libsupc++.a "$to_dir"/libsupc++_nano.a
done
# strip host binaries
find "$pkgdir"/usr/bin/ -type f -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.*
}
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