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# Maintainer: André Silva <emulatorman@parabola.nu>
# Contributor: Márcio Silva <coadde@parabola.nu>

pkgbase=mesa
_pkgname=libcl
pkgname=lib32-opencl-$pkgbase
pkgver=10.2.7
pkgrel=3
pkgdesc='OpenCL support for AMD/ATI Radeon mesa drivers (32-bit)'
arch=('x86_64')
url="http://${pkgbase}3d.sourceforge.net"
license=('custom')
depends=("opencl-$pkgbase" "lib32-$pkgbase-libgl" "lib32-$pkgbase-$_pkgname" "lib32-$pkgbase=$pkgver"  'lib32-libclc' 'lib32-clang')
optdepends=('opencl-headers: headers necessary for OpenCL development')
# please use libretools, install "multilib-devel" on chroot and add
#  "CHROOTEXTRAPKG=(multilib-devel)" on "/etc/libretools.d/chroot.conf" file.
makedepends=('dri2proto' 'dri3proto' 'glproto' 'presentproto' 'python2')
source=("ftp://ftp.freedesktop.org/pub/$pkgbase/${pkgver%.0}/${pkgbase^}Lib-$pkgver.tar.bz2"
        "llvm35.patch")
sha512sums=('c6d346499ef9596d3b5cd0bdc0ec64b58e8170203e0c977c54b55652c8792beb471822c101461745f7228a7d15a43924211f56fc0cc989defdc1acc4ea7b8a71'
            'dbf6792c94c80e067f3d1a33237ca1e28be7069a366c46b36997afab97c8a712758b07dc7f9fce0b3e20b8280d41539f02d70ee5c7e16188d8f6db9731fb6881')

prepare() {
  cd $srcdir/${pkgbase^}-$pkgver

  patch -Np1 -i ../llvm35.patch
}

build() {
  cd $srcdir/${pkgbase^}-$pkgver

  export CC="gcc -m32"
  export CXX="g++ -m32"
  export PKG_CONFIG_PATH="/usr/lib32/pkgconfig"
  export LLVM_CONFIG=/usr/bin/llvm-config32

  autoreconf -vfi # our automake is far too new for their build system :)

  ./configure --prefix=/usr --libdir=/usr/lib32 --enable-32-bit \
    --sysconfdir=/etc \
    --enable-llvm-shared-libs \
    --enable-opencl --enable-opencl-icd \
    --with-clang-libdir=/usr/lib32
  make

  # fake installation
  mkdir $srcdir/fakeinstall
  make DESTDIR=$srcdir/fakeinstall install
}

package() {
  cd $srcdir/${pkgbase^}-$pkgver

  install -vm755 -d $pkgdir/usr/lib32/
  mv -v $srcdir/fakeinstall/usr/lib32/lib*OpenCL* $pkgdir/usr/lib32/

  install -vm755 -d $pkgdir/usr/share/licenses/$pkgname
  install -vm644 docs/COPYING      $pkgdir/usr/share/licenses/$pkgname
  install -vm644 docs/license.html $pkgdir/usr/share/licenses/$pkgname/LICENSE
}

# vim:set ts=2 sw=2 et: