Add riscv32 gcc with newlib toolchain

Signed-off-by: Denis 'GNUtoo' Carikli <GNUtoo@cyberdimension.org>

1 files changed, 102 insertions, 0 deletions

diff --git a/libre/riscv32-elf-gcc/PKGBUILD b/libre/riscv32-elf-gcc/PKGBUILD
new file mode 100644
index 000000000..fbfd07271
--- /dev/null
+++ b/libre/riscv32-elf-gcc/PKGBUILD
@@ -0,0 +1,102 @@
+# Maintainer: David P. <megver83@parabola.nu>
+
+_target=riscv32-elf
+pkgname=$_target-gcc
+_pkgver=9.1.0
+#_snapshot=8-20180824
+pkgver=$_pkgver${_snapshot/*-/+}
+_islver=0.21
+pkgrel=1
+pkgdesc='The GNU Compiler Collection - cross compiler for SuperH target'
+arch=(x86_64 i686 armv7h)
+url='http://gcc.gnu.org/'
+license=(GPL LGPL FDL)
+depends=($_target-binutils libmpc zlib)
+makedepends=(gmp mpfr $_target-newlib)
+optdepends=("$_target-newlib: Standard C library ($_target target)")
+options=(!emptydirs !strip)
+source=(https://gcc.gnu.org/pub/gcc/releases/gcc-$_pkgver/gcc-$_pkgver.tar.xz{,.sig}
+        #https://gcc.gnu.org/pub/gcc/snapshots/$_snapshot/gcc-$_snapshot.tar.xz
+        http://isl.gforge.inria.fr/isl-$_islver.tar.bz2)
+sha512sums=('b6134df027e734cee5395afd739fcfa4ea319a6017d662e54e89df927dea19d3fff7a6e35d676685383034e3db01c9d0b653f63574c274eeb15a2cb0bc7a1f28'
+            'SKIP'
+            '48f3b8d90550e8ab28837b5757f87bf99cddec67769877e04942abef69bbe526ef4c863951d55dd89a6027dc09df48988c8df6029782f990aa4d5b67e65f6d53')
+validpgpkeys=(33C235A34C46AA3FFB293709A328C3A2C3C45C06) # Jakub Jelinek <jakub@redhat.com>
+
+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 $CPPFLAGS"
+  sed -i "/ac_cpp=/s/\$CPPFLAGS/\$CPPFLAGS -O2/" "$srcdir"/$_basedir/{libiberty,gcc}/configure
+
+  mkdir $srcdir/gcc-build
+}
+
+build() {
+  cd gcc-build
+
+  # using -pipe causes spurious test-suite failures
+  # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48565
+  CFLAGS=${CFLAGS/-pipe/}
+  CXXFLAGS=${CXXFLAGS/-pipe/}
+  
+  $srcdir/$_basedir/configure \
+    --target=$_target \
+    --prefix=/usr \
+    --libexecdir=/usr/lib \
+    --with-sysroot=/usr/$_target \
+    --with-native-system-header-dir=/include \
+    --enable-languages=c,c++ \
+    --enable-plugins \
+    --enable-shared \
+    --disable-decimal-float \
+    --disable-libffi \
+    --disable-libgomp \
+    --disable-libmudflap \
+    --disable-libquadmath \
+    --disable-libssp \
+    --disable-libstdcxx-pch \
+    --disable-nls \
+    --disable-threads \
+    --disable-tls \
+    --with-gnu-as \
+    --with-gnu-ld \
+    --with-system-zlib \
+    --with-newlib \
+    --with-python-dir=share/gcc-$_target \
+    --with-gmp \
+    --with-mpfr \
+    --with-mpc \
+    --with-isl \
+    --with-libelf \
+    --enable-gnu-indirect-function
+
+  make $MAKEFLAGS
+}
+
+package() {
+  cd gcc-build
+  make DESTDIR="$pkgdir" install
+
+  # strip target binaries
+  find "$pkgdir"/usr/lib/gcc/$_target/$_pkgver "$pkgdir"/usr/$_target/lib -type f -and \( -name \*.a -or -name \*.o \) -exec $_target-objcopy -R .comment -R .note -R .debug_info -R .debug_aranges -R .debug_pubnames -R .debug_pubtypes -R .debug_abbrev -R .debug_line -R .debug_str -R .debug_ranges -R .debug_loc '{}' \;
+
+  # strip host binaries
+  find "$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.*
+}