# Maintainer: David P. <megver83@parabola.nu>

_target=arm-linux-gnueabi
pkgname=$_target-gcc
_pkgver=8.1.0
pkgver=$_pkgver+20180427
_islver=0.19
pkgrel=1
_snapshot=${pkgver:0:1}-${pkgver##$_pkgver+}
pkgdesc="The GNU Compiler Collection - cross compiler for ARM target"
arch=('x86_64' 'i686' 'armv7h')
url='http://gcc.gnu.org/'
license=(GPL LGPL FDL)
depends=($_target-binutils libmpc zlib)
makedepends=(gmp mpfr)
options=(!emptydirs !strip)
source=(#https://gcc.gnu.org/pub/gcc/releases/gcc-$_pkgver/gcc-$_pkgver.tar.bz2
        https://gcc.gnu.org/pub/gcc/snapshots/$_snapshot/gcc-$_snapshot.tar.xz
        http://isl.gforge.inria.fr/isl-$_islver.tar.bz2)
sha512sums=('c38c382f2246e2164d5f8d0402c4cfad7de0084f0d63d2ef9b489b7fa1695b157a2983f282811b6089dcb447432866d80dae4e84561c7f41395558cd96901d67'
            '08f4db964d9e02ec8aa9779378ed76e0ddf1d56f81f87664dbf787555ce496cdc87e836f8a51ae137f45e648c604870cce07ee45919eafb549e404afb8f27083')

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/build-gcc
}

build() {
  cd build-gcc

  # 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 \
    --with-pkgversion='Parabola Repository' \
    --with-bugurl='https://labs.parabola.nu/'

  make $MAKEFLAGS all-gcc
}

package() {
  cd build-gcc

  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
}