libre: Add lm32 gcc and binutils

This will enable users to build code for the LatticeMico32
architecture.

The PKGBUILDS are based on the arm-linux-gnueabi-
binutils and gcc.

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

2 files changed, 162 insertions, 0 deletions

diff --git a/libre/lm32-elf-binutils/PKGBUILD b/libre/lm32-elf-binutils/PKGBUILD
new file mode 100644
index 000000000..029b300ef
--- /dev/null
+++ b/libre/lm32-elf-binutils/PKGBUILD
@@ -0,0 +1,64 @@
+# Maintainer: David P. <megver83@parabola.nu>
+
+_target=lm32-elf
+pkgname=$_target-binutils
+pkgver=2.31.1
+pkgrel=1
+pkgdesc='A set of programs to assemble and manipulate binary and object files for the LatticeMico32 target'
+arch=('x86_64' 'i686' 'armv7h')
+url='http://www.gnu.org/software/binutils/'
+license=(GPL)
+depends=(zlib)
+source=(https://ftp.gnu.org/gnu/binutils/binutils-$pkgver.tar.bz2{,.sig})
+sha512sums=('b42954e6f49a0adcd2676bdd77dfb59bfc25cec8184b007521d1e2b1d5d0593b58639e3d9448d5a40fe024c3cea386a37743627d6bb16d502f52a4a32b9573bd'
+            'SKIP')
+validpgpkeys=('EAF1C276A747E9ED86210CBAC3126D3B4AE55E93'  # Tristan Gingold <gingold@adacore.com>
+              '3A24BC1E8FB409FA9F14371813FCEF89DD9E3C4F') # Nick Clifton (Chief Binutils Maintainer) <nickc@redhat.com>
+
+prepare() {
+  cd binutils-$pkgver
+  sed -i "/ac_cpp=/s/\$CPPFLAGS/\$CPPFLAGS -O2/" libiberty/configure
+}
+
+build() {
+  cd binutils-$pkgver
+
+  if [ "${CARCH}" != "i686" ]; then
+    # enabling gold linker at i686 makes the install fail
+    enable_gold='--enable-gold'
+  fi
+
+  ./configure --target=$_target \
+              --with-sysroot=/usr/$_target \
+              --prefix=/usr \
+              --disable-multilib \
+              --with-gnu-as \
+              --with-gnu-ld \
+              --disable-nls \
+              --enable-ld=default \
+              $enable_gold \
+              --enable-plugins \
+              --enable-deterministic-archives
+
+  make
+}
+
+check() {
+  cd binutils-$pkgver
+  
+  # unset LDFLAGS as testsuite makes assumptions about which ones are active
+  # do not abort on errors - manually check log files
+  make LDFLAGS="" -k check || true
+}
+
+package() {
+  cd binutils-$pkgver
+
+  make DESTDIR="$pkgdir" install
+
+  # Remove file conflicting with host binutils and manpages for MS Windows tools
+  rm "$pkgdir"/usr/share/man/man1/$_target-{dlltool,windres,windmc}*
+
+  # Remove info documents that conflict with host version
+  rm -r "$pkgdir"/usr/share/info
+}
diff --git a/libre/lm32-elf-gcc/PKGBUILD b/libre/lm32-elf-gcc/PKGBUILD
new file mode 100644
index 000000000..9079b6da8
--- /dev/null
+++ b/libre/lm32-elf-gcc/PKGBUILD
@@ -0,0 +1,98 @@
+# Maintainer: David P. <megver83@parabola.nu>
+
+_target=lm32-elf
+pkgname=$_target-gcc
+_pkgver=8.3.0
+#_snapshot=8-20180824
+pkgver=$_pkgver${_snapshot/*-/+}
+_islver=0.20
+pkgrel=1
+pkgdesc='The GNU Compiler Collection - cross compiler for LatticeMico32 target'
+arch=(x86_64 i686 armv7h)
+url='http://gcc.gnu.org/'
+license=(GPL LGPL FDL)
+depends=($_target-binutils libmpc zlib)
+makedepends=(gmp mpfr)
+options=(!emptydirs !strip)
+source=(https://gcc.gnu.org/pub/gcc/releases/gcc-$_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=('1811337ae3add9680cec64968a2509d085b6dc5b6783fc1e8c295e3e47416196fd1a3ad8dfe7e10be2276b4f62c357659ce2902f239f60a8648548231b4b5802'
+            'SKIP'
+            'afe2e159b74646a26449268637403d271f9e3f6410d8cc1c9cffca41370c4357b165dea844db0c2a654591f954e54710dda650c8088abd4711406aa6302da950')
+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 \
+    --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 \
+    --disable-multilib \
+    --with-gnu-as \
+    --with-gnu-ld \
+    --with-system-zlib \
+    --with-gmp \
+    --with-mpfr \
+    --with-mpc \
+    --with-isl \
+    --with-libelf \
+    --enable-gnu-indirect-function
+
+  make $MAKEFLAGS all-gcc
+}
+
+package() {
+  cd gcc-build
+
+  make DESTDIR="$pkgdir" install-gcc
+
+  # strip target binaries
+  find "$pkgdir"/usr/lib/gcc/$_target/ -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/ -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
+}