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# Maintainer: Baltazár Radics <baltazar.radics@gmail.com>
_target=xtensa-esp32-elf
pkgname=$_target-gcc-bootstrap
pkgver=10.1.0
_islver=0.22
_overlay_commit=fe9a594
pkgrel=1
#_snapshot=8-20180427
pkgdesc='The GNU Compiler Collection - cross compiler bootstrap package for xtensa esp32 (bare-metal) target'
arch=(x86_64)
url='https://gcc.gnu.org/'
license=(GPL LGPL FDL)
depends=($_target-binutils zlib libmpc)
makedepends=(gmp mpfr)
provides=($_target-gcc)
conflicts=($_target-gcc)
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-$_islver.tar.bz2
xtensa-overlays-$_overlay_commit.tar.gz::https://codeload.github.com/espressif/xtensa-overlays/tar.gz/$_overlay_commit)
sha256sums=('b6898a23844b656f1b68691c5c012036c2e694ac4b53a8918d4712ad876e7ea2'
'SKIP'
'b21d354acd613a91cb88328753ec3aaeb174d6af042d89c5fcf3bbcced370751'
'025a16d88ae7b17c013ed23beb02b8545b44673d2b8ecca748e63a79d5c1070d')
validpgpkeys=(33C235A34C46AA3FFB293709A328C3A2C3C45C06) # Jakub Jelinek <jakub@redhat.com>
if [ -n "$_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 $CPPFLAGS"
sed -i "/ac_cpp=/s/\$CPPFLAGS/\$CPPFLAGS -O2/" {libiberty,gcc}/configure
cp -r ../xtensa-overlays-$_overlay_commit/xtensa_esp32/gcc/* .
mkdir "$srcdir"/build-gcc
}
build() {
cd "$srcdir"/build-gcc
export CFLAGS_FOR_TARGET='-g -Os -ffunction-sections -fdata-sections -mlongcalls'
export CXXFLAGS_FOR_TARGET='-g -Os -ffunction-sections -fdata-sections -mlongcalls'
"$srcdir"/$_basedir/configure \
--libexecdir=/usr/lib \
--prefix=/usr \
--target=$_target \
--with-gmp \
--with-gnu-as \
--with-gnu-ld \
--with-headers=/usr/$_target/include \
--with-host-libstdcxx='-static-libgcc -Wl,-Bstatic,-lstdc++,-Bdynamic -lm' \
--with-isl \
--with-libelf \
--with-mpc \
--with-mpfr \
--with-native-system-header-dir=/include \
--with-newlib \
--with-python-dir=share/gcc-$_target \
--with-sysroot=/usr/$_target \
--with-system-zlib \
--without-headers \
--without-libffi \
--disable-__cxa_atexit \
--disable-decimal-float \
--disable-libgomp \
--disable-libmpx \
--disable-libmudflap \
--disable-libquadmath \
--disable-libquadmath-support \
--disable-libssp \
--disable-libstdcxx-pch \
--disable-libstdcxx-verbose \
--disable-nls \
--disable-shared \
--disable-threads \
--disable-tls \
--enable-gnu-indirect-function \
--enable-languages=c \
--enable-lto \
--enable-target-optspace
make INHIBIT_LIBC_CFLAGS='-DUSE_TM_CLONE_REGISTRY=0'
}
package() {
cd "$srcdir"/build-gcc
make DESTDIR="$pkgdir" install -j1
# 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.*
}
# vim: ts=2 sw=0 noet
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