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# Maintainer: Marian Buschsieweke <marian.buschsieweke@ovgu.de>
# Based upon Alpine's avr-gcc and Arch Linux's arm-none-eabi-gcc, to which
# the following people contributed:
# Contributor: Pedro Filipe <xpecex@outlook.com>
# Contributor: Stefan Wagner <stw@bit-strickerei.de>
# Contributor: Anatol Pomozov <anatol.pomozov@gmail.com>
# Contributor: Martin Schmölzer <mschmoelzer@gmail.com>
_targets="
arm-none-eabi
mips-mti-elf
msp430-elf
riscv-none-elf
"
# or1k-elf fails to build on 32-bit architectures
case "$CARCH" in
x86_64|aarch64|ppc64le|mips64) _targets="$_targets or1k-elf"
esac
pkgname=gcc-cross-embedded
pkgver=10.2.0
pkgrel=0
pkgdesc="The GNU Compiler Collection for embedded targets"
url="http://gcc.gnu.org"
depends="gcc"
makedepends="bash linux-headers gmp-dev mpfr-dev mpc1-dev zlib-dev isl-dev"
arch="all !s390x !mips !mips64" # fails on s390x and mips with error message:
# 'internal compiler error: Segmentation fault'
license="GPL-3.0-or-later"
for target in $_targets; do
targetnorm="${target//-/_}"
subpackages="gcc-$target:$targetnorm $subpackages"
makedepends="$makedepends binutils-$target newlib-$target-stage1"
done
source="https://mirrors.kernel.org/gnu/gcc/gcc-$pkgver/gcc-$pkgver.tar.xz"
options="!check"
builddir="$srcdir/gcc-$pkgver"
prepare() {
default_prepare
# hack! - some configure tests for header files using "$CPP $CPPFLAGS"
for dir in libiberty gcc; do
sed -i "/ac_cpp=/s/\$CPPFLAGS/\$CPPFLAGS -O2/" $dir/configure
done
}
_build_gcc() {
case "$target" in
# Support M and R architecture profiles for ARM
arm-none-eabi) _target_specific_flags="--with-multilib-list=rmprofile" ;;
*) _target_specific_flags="" ;;
esac
msg "Running ./configure for $target"
"$builddir"/configure \
--target=$target \
--prefix=/usr \
--with-sysroot=/usr/$target \
--with-native-system-header-dir=/include \
--with-headers=/usr/$target/include \
--with-python-dir=share/gcc-$target \
--libexecdir=/usr/lib \
--infodir=/deleteme/info \
--htmldir=/deleteme/html \
--pdfdir=/deleteme/pdf \
--mandir=/deleteme/man \
--enable-languages=c,c++ \
--enable-plugins \
--enable-gnu-indirect-function \
--disable-decimal-float \
--disable-libffi \
--disable-libgomp \
--disable-libmudflap \
--disable-libquadmath \
--disable-libssp \
--disable-libstdcxx-pch \
--disable-nls \
--disable-shared \
--disable-threads \
--disable-tls \
--disable-werror \
--with-gmp \
--with-gnu-as \
--with-gnu-ld \
--with-host-libstdcxx='-static-libgcc -Wl,-Bstatic,-lstdc++,-Bdynamic -lm' \
--with-isl \
--with-libelf \
--with-mpc \
--with-mpfr \
--with-newlib \
--with-system-zlib \
--with-pkgversion='Alpine Linux' \
$_target_specific_flags
msg "Running make for $target"
make INHIBIT_LIBC_CFLAGS='-DUSE_TM_CLONE_REGISTRY=0'
}
build() {
for target in $_targets; do
# Build "regular" variant
workingdir="$srcdir/build-$target"
mkdir "$workingdir"
cd "$workingdir"
export CFLAGS_FOR_TARGET='-pipe -Os -ffunction-sections -fdata-sections'
export CXXFLAGS_FOR_TARGET='-pipe -Os -ffunction-sections -fdata-sections'
_build_gcc
# Rebuild without exceptions to generate nano variant of libstc++
workingdir="$srcdir/build-$target-nano"
mkdir "$workingdir"
cd "$workingdir"
export CFLAGS_FOR_TARGET='-pipe -Os -ffunction-sections -fdata-sections -fno-exceptions'
export CXXFLAGS_FOR_TARGET='-pipe -Os -ffunction-sections -fdata-sections -fno-exceptions'
_build_gcc
done
}
package() {
for target in $_targets; do
depends="$depends gcc-$target"
done
mkdir -p "$pkgdir"
}
_install_subpkg() {
target="${subpkgname#gcc-}"
pkgdesc="The GNU Compiler Collection for $target targets"
depends="$depends binutils-$target"
workingdir="$srcdir/build-$target"
cd "$workingdir"
make install DESTDIR="$subpkgdir" -j1
# install nano-variant into temporary folder to obtain libstdc++ from there
workingdir="$srcdir/build-$target-nano"
cd "$workingdir"
make install DESTDIR="$subpkgdir-nano" -j1
# Fetch libstdc++ from nano variant
multilibs=$($subpkgdir/usr/bin/$target-gcc -print-multi-lib 2>/dev/null)
for multilib in $multilibs; do
dir="${multilib%%;*}"
from_dir=$subpkgdir-nano/usr/$target/lib/$dir
to_dir=$subpkgdir/usr/$target/lib/$dir
cp -f $from_dir/libstdc++.a $to_dir/libstdc++_nano.a
cp -f $from_dir/libsupc++.a $to_dir/libsupc++_nano.a
done
# Delete documentation. (The user can use the host GCC doc instead)
rm -rf "$subpkgdir"/deleteme
# Delete libcc1.so*, which is already part of the host's gcc
rm -f "$subpkgdir"/usr/lib/libcc1.so*
# Strip libs using target binutils
find "$subpkgdir"/usr/lib -type f -name "*.a" -exec /usr/bin/$target-strip --strip-debug '{}' \;
# Strip executables using host binutils
find "$subpkgdir"/usr/bin -type f -executable -exec strip '{}' \;
}
arm_none_eabi() {
_install_subpkg
}
mips_mti_elf() {
_install_subpkg
}
msp430_elf() {
_install_subpkg
}
or1k_elf() {
_install_subpkg
}
riscv_none_elf() {
_install_subpkg
}
sha512sums="42ae38928bd2e8183af445da34220964eb690b675b1892bbeb7cd5bb62be499011ec9a93397dba5e2fb681afadfc6f2767d03b9035b44ba9be807187ae6dc65e gcc-10.2.0.tar.xz"
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