Initial commit

1 files changed, 124 insertions, 0 deletions

diff --git a/PKGBUILD b/PKGBUILD
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+# Maintainer: Baltazár Radics <baltazar.radics@gmail.com>
+
+_target=xtensa-esp32-elf
+pkgname=$_target-gcc
+pkgver=10.1.0
+_islver=0.22
+pkgrel=1
+#_snapshot=8-20180427
+pkgdesc='The GNU Compiler Collection - cross compiler for xtensa esp32 (bare-metal) target'
+arch=(x86_64)
+url='https://gcc.gnu.org/'
+license=(GPL LGPL FDL)
+depends=($_target-binutils zlib libmpc)
+makedepends=(gmp mpfr $_target-newlib)
+optdepends=("$_target-newlib: Standard C library optimized for embedded systems")
+options=(!emptydirs !strip)
+source=(https://ftp.gnu.org/gnu/gcc/gcc-$pkgver/gcc-$pkgver.tar.xz{,.sig}
+        #ftp://gcc.gnu.org/pub/gcc/snapshots/$_snapshot/gcc-$_snapshot.tar.xz
+        http://isl.gforge.inria.fr/isl-$_islver.tar.bz2)
+sha256sums=('b6898a23844b656f1b68691c5c012036c2e694ac4b53a8918d4712ad876e7ea2'
+            'SKIP'
+            'b21d354acd613a91cb88328753ec3aaeb174d6af042d89c5fcf3bbcced370751')
+validpgpkeys=(33C235A34C46AA3FFB293709A328C3A2C3C45C06) # Jakub Jelinek <jakub@redhat.com>
+
+if [ -n "$_snapshot" ]; then
+  _basedir=gcc-$_snapshot
+else
+  _basedir=gcc-$pkgver
+fi
+
+prepare() {
+  cd $_basedir
+
+  # link isl for in-tree builds
+  ln -s ../isl-$_islver isl
+
+  echo $pkgver > gcc/BASE-VER
+
+  # hack! - some configure tests for header files using "$CPP $CPPFLAGS"
+  sed -i "/ac_cpp=/s/\$CPPFLAGS/\$CPPFLAGS -O2/" {libiberty,gcc}/configure
+
+  mkdir "$srcdir"/build-{gcc,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' \
+    --with-pkgversion='Arch Repository' \
+    --with-bugurl='https://bugs.archlinux.org/' \
+    --with-multilib-list=rmprofile
+
+  make INHIBIT_LIBC_CFLAGS='-DUSE_TM_CLONE_REGISTRY=0'
+}
+
+build() {
+  cd "$srcdir"/build-gcc
+  export CFLAGS_FOR_TARGET='-g -Os -ffunction-sections -fdata-sections'
+  export CXXFLAGS_FOR_TARGET='-g -Os -ffunction-sections -fdata-sections'
+  _build_gcc
+
+  # Build libstdc++ without exceptions support (the 'nano' variant)
+  cd "$srcdir"/build-gcc-nano
+  export CFLAGS_FOR_TARGET='-g -Os -ffunction-sections -fdata-sections -fno-exceptions'
+  export CXXFLAGS_FOR_TARGET='-g -Os -ffunction-sections -fdata-sections -fno-exceptions'  
+  _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 "$to_dir"/libsupc++_nano.a
+  done
+
+  # strip target binaries
+  find "$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.*
+}