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# Maintainer:
# Contributor: Evangelos Foutras <evangelos@foutrelis.com>
# Contributor: Jan "heftig" Steffens <jan.steffens@gmail.com>

pkgname=('llvm9' 'llvm9-libs')
pkgver=9.0.1
pkgrel=1
arch=('x86_64')
url="https://llvm.org/"
license=('custom:Apache 2.0 with LLVM Exception')
makedepends=('cmake' 'ninja' 'libffi' 'libedit' 'ncurses' 'libxml2'
             'python-setuptools')
options=('staticlibs')
_source_base=https://github.com/llvm/llvm-project/releases/download/llvmorg-$pkgver
source=($_source_base/llvm-$pkgver.src.tar.xz{,.sig})
sha256sums=('00a1ee1f389f81e9979f3a640a01c431b3021de0d42278f6508391a2f0b81c9a'
            'SKIP')
validpgpkeys+=('B6C8F98282B944E3B0D5C2530FC3042E345AD05D') # Hans Wennborg <hans@chromium.org>
validpgpkeys+=('474E22316ABF4785A88C6E8EA2C794A986419D8A') # Tom Stellard <tstellar@redhat.com>

prepare() {
  cd "$srcdir/llvm-$pkgver.src"
  mkdir build
}

build() {
  cd "$srcdir/llvm-$pkgver.src/build"

  cmake .. -G Ninja \
    -DCMAKE_BUILD_TYPE=Release \
    -DCMAKE_INSTALL_PREFIX=/usr \
    -DLLVM_HOST_TRIPLE=$CHOST \
    -DLLVM_BUILD_LLVM_DYLIB=ON \
    -DLLVM_LINK_LLVM_DYLIB=ON \
    -DLLVM_INSTALL_UTILS=ON \
    -DLLVM_ENABLE_RTTI=ON \
    -DLLVM_ENABLE_FFI=ON \
    -DLLVM_EXPERIMENTAL_TARGETS_TO_BUILD=AVR \
    -DLLVM_BUILD_TESTS=ON \
    -DLLVM_BINUTILS_INCDIR=/usr/include
  ninja
}

check() {
  cd "$srcdir/llvm-$pkgver.src/build"
  ninja check
}

package_llvm9() {
  pkgdesc="Collection of modular and reusable compiler and toolchain technologies"
  depends=('llvm9-libs' 'perl')
  optdepends=('python-setuptools: for using lit (LLVM Integrated Tester)')
  conflicts=('llvm')

  cd "$srcdir/llvm-$pkgver.src/build"

  DESTDIR="$pkgdir" ninja install

  # Include lit for running lit-based tests in other projects
  pushd ../utils/lit
  python3 setup.py install --root="$pkgdir" -O1
  popd

  # The runtime libraries go into llvm9-libs
  mv -f "$pkgdir"/usr/lib/lib{LLVM-*.so,{LTO,Remarks}.so.*} "$srcdir"

  # Remove files which conflict with llvm-libs
  rm "$pkgdir"/usr/lib/{LLVMgold,lib{LLVM,LTO,Remarks}}.so

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

package_llvm9-libs() {
  pkgdesc="LLVM 9 runtime libraries"
  depends=('gcc-libs' 'zlib' 'libffi' 'libedit' 'ncurses' 'libxml2')

  install -d "$pkgdir/usr/lib"
  cp -P "$srcdir"/lib{LLVM-*.so,{LTO,Remarks}.so.*} "$pkgdir/usr/lib/"

  install -Dm644 "$srcdir/llvm-$pkgver.src/LICENSE.TXT" \
    "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
}

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