# Maintainer: Geoffroy Carrier <geoffroy.carrier@aur.archlinux.org>
# Contributor: Tomas Lindquist Olsen <tomas@famolsen.dk>
# Contributor: Roberto Alsina <ralsina@kde.org>
# Contributor: Gerardo Exequiel Pozzi <vmlinuz386@yahoo.com.ar>

pkgname=llvm
pkgver=2.5
pkgrel=1
pkgdesc="Low Level Virtual Machine"
arch=('i686' 'x86_64')
url="http://llvm.org"
license=('custom':'University of Illinois/NCSA Open Source License')
depends=('libelf')
source=("http://llvm.org/releases/$pkgver/$pkgname-$pkgver.tar.gz")
md5sums=('55df2ea8665c8094ad2ef85187b9fc74')

build() {
  cd $srcdir/$pkgname-$pkgver

  # --sysconfdir to configure apparently isn't enough ...
  sed 's:$(PROJ_prefix)/etc/llvm:/etc/llvm:' -i Makefile.config.in || return 1
  # --libdir to configure apparently isn't enough ...
  sed 's:$(PROJ_prefix)/lib:$(PROJ_prefix)/lib/llvm:' \
    -i Makefile.config.in || return 1
  # Fix insecure rpath http://bugs.archlinux.org/task/14017
  sed 's:-rpath \$(ToolDir)::g' -i Makefile.rules || return 1
  # Fix path that point to the build directory
  sed 's:^TOOLDIR.*:TOOLDIR=/usr/bin:' \
    -i tools/gccld/gccld.sh tools/gccas/gccas.sh || return 1
  # remove docs from the make targets
  sed 's:runtime docs:runtime:' -i Makefile || return 1
  # remove libHello transformation
  sed 's: Hello::' -i lib/Transforms/Makefile || return 1

  if [ "${CARCH}" = "x86_64" ]; then
    _pic_flag="--enable-pic"
  else
    _pic_flag=""
  fi
  
  ./configure --prefix=/usr \
    --libdir=/usr/lib/llvm \
    --sysconfdir=/etc \
    --enable-bindings=none \
    --enable-targets=host-only \
    --enable-optimized \
    --disable-assertions \
    --disable-expensive-checks ${_pic_flag} || return 1
  
  make || return 1

  # install fails with more than one make job
  make -j1 DESTDIR=$pkgdir install || return 1
  install -D LICENSE.TXT $pkgdir/usr/share/licenses/llvm/COPYING

}