# $Id: PKGBUILD 90882 2013-05-15 07:40:34Z lcarlier $
# Maintainer: Laurent Carlier <lordheavym@gmail.com>
# Contributor: Thomas Dziedzic < gostrc at gmail >
# Contributor: Roberto Alsina <ralsina@kde.org>
# Contributor: Tomas Lindquist Olsen <tomas@famolsen.dk>
# Contributor: Anders Bergh <anders@archlinuxppc.org>
# Contributor: Tomas Wilhelmsson <tomas.wilhelmsson@gmail.com>

pkgbase=llvm-amdgpu-snapshot
pkgname=('llvm-amdgpu-snapshot' 'llvm-amdgpu-lib-snapshot')
pkgver=20130403
pkgrel=2
pkgdesc='Low Level Virtual Machine with AMDGPU enabled to build r600g shader llvm support'
arch=('i686' 'x86_64')
url="http://llvm.org"
license=('custom:University of Illinois/NCSA Open Source License')
makedepends=('libffi' 'python2' 'ocaml')
source=(ftp://ftp.archlinux.org/other/community/llvm-amdgpu/llvm-amdgpu-master.${pkgver}.tar.gz)
md5sums=('4baa7b8da9eff4811952b6f855c141ca')

prepare() {
  cd "$srcdir"/llvm-c*

  sed -i 's/python$/python2/' utils/llvm-build/llvm-build
}

build() {
  cd "$srcdir"/llvm-c*

  # Apply strip option to configure
  _optimized_switch="enable"
  [[ $(check_option strip) == n ]] && _optimized_switch="disable"

  # Include location of libffi headers in CPPFLAGS
  export CPPFLAGS="$CPPFLAGS $(pkg-config --cflags libffi)"

  # Force the use of GCC instead of clang
  PYTHON=python2 CC=gcc CXX=g++ \
  ./configure \
    --prefix=/usr \
    --libdir=/usr/lib/llvm \
    --sysconfdir=/etc \
    --enable-shared \
    --enable-libffi \
    --enable-targets=all \
    --enable-experimental-targets=R600 \
    --disable-expensive-checks \
    --with-binutils-include=/usr/include \
    --$_optimized_switch-optimized

  make REQUIRES_RTTI=1
}

package_llvm-amdgpu-snapshot() {
  depends=("llvm-amdgpu-lib-snapshot=${pkgver}" 'python2')
  conflicts=('llvm')

  cd "$srcdir"/llvm-c*

  make DESTDIR="$pkgdir" install

  # Remove useless files
  rm -r "$pkgdir"/usr/{docs,lib/ocaml}
  # moved to llvm-amdgpu-lib-snapshot
  rm "$pkgdir"/usr/lib/libLLVM-3.2svn.so
  # Fix permissions of static libs
  chmod -x "$pkgdir"/usr/lib/lib*.a

  install -Dm644 LICENSE.TXT "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
}

package_llvm-amdgpu-lib-snapshot() {
  depends=('libffi' 'gcc-libs')
  
  cd "$srcdir"/llvm-c*

  make DESTDIR="$pkgdir" install

  mv -v "$pkgdir"/usr/lib/libLLVM-3.2svn.so "$pkgdir"/
  
  # Remove useless files
  rm -r "$pkgdir"/usr/{bin,include,docs,lib/*}
  
  mv "$pkgdir"/libLLVM-3.2svn.so "$pkgdir"/usr/lib/

  install -Dm644 LICENSE.TXT "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
}