# Maintainer: Sven-Hendrik Haase <svenstaro@archlinux.org>

# Careful when upgrading this package! It usually breaks ABI without bumping soname.

# Included in Slint by Didier Spaier didieratslintdotfr
pkgname=glslang
pkgver=11.12.0
pkgrel=1slint
slackdesc="$pkgname (OpenGL and OpenGL ES shader front end and validator)"
arch=('x86_64')
url='https://github.com/KhronosGroup/glslang'
license=('BSD')
depends=('gcc-libs' 'python')
makedepends=('cmake' 'ninja' 'git')
options=('nosrcpack')
# Get the commits from known_good.json for every release
source=(https://github.com/KhronosGroup/glslang/archive/${pkgver}.tar.gz
        glslang-fix-cmake-locations.patch)
sha256sums=('7795a97450fecd9779f3d821858fbc2d1a3bf1dd602617d95b685ccbcabc302f'
            'd5888f1750af014eccd6184d58e9ced2e8e203b6674d5ccd2a5cc9d2aab2e2a0'
            'SKIP'
            'SKIP')	
docs=(LICENSE.txt)
build() {
  # Sadly, glslang requires super specific versions of SPIRV headers and
  # spirv-tools and so I'm afraid that for the time being we'll have to use
  # their vendored version until we figure out a good way to use system
  # libraries.
  git clone https://github.com/KhronosGroup/SPIRV-Tools.git
  cd SPIRV-Tools
  git checkout eb0a36633d2acf4de82588504f951ad0f2cecacb
  cd ..
  git clone https://github.com/KhronosGroup/SPIRV-Headers.git
  cd SPIRV-Headers
  git checkout 85a1ed200d50660786c1a88d9166e871123cce39
  cd ..
  cp -r SPIRV-Tools ${pkgname}-${pkgver}/External/spirv-tools || exit 1 
  cp -r SPIRV-Headers ${pkgname}-${pkgver}/External/spirv-tools/external/spirv-headers || exit 1
  cd ${pkgname}-${pkgver}
  patch -Np1 --verbose -i "$SRC"/$pkgname-fix-cmake-locations.patch || exit 1
  cmake \
    -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
    -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
    -Bbuild-shared \
    -GNinja \
    -DCMAKE_INSTALL_PREFIX=/usr \
    -DLIB_SUFFIX=${LIBDIRSUFFIX} \
    -DMAN_INSTALL_DIR=/usr/man \
    -DCMAKE_BUILD_TYPE=None \
    -DBUILD_SHARED_LIBS=ON
  ninja -Cbuild-shared
#  ninja -Cbuild-shared test
  DESTDIR="$PKG" ninja -C build-shared install
  mkdir -p "$PKG"/usr/doc/${pkgname}-${pkgver}
  pandoc -f gfm -t html5 -o "$PKG"/usr/doc/${pkgname}-${pkgver}/README.html README.md
  for lib in *.so; do
    ln -sf "${lib}" "${lib}.0" 
  done

  # Delete the stuff that's been vendored in. It's not ideal but that's we'll deal with for now.
  mv "$PKG"/usr/bin/spirv-remap .
  rm -r "$PKG"/usr/{bin/spirv*,include/spirv-tools,lib${LIBDIRSUFFIX}/cmake/SPIRV-Tools*,lib${LIBDIRSUFFIX}/libSPIRV-*,lib${LIBDIRSUFFIX}/pkgconfig}
  mv spirv-remap "$PKG"/usr/bin/spirv-remap
}

# vim: ts=2 sw=2 et: