# Maintainer: Levente Polyak <anthraxx[at]archlinux[dot]org>
# Maintainer: Robin Candau <antiz@archlinux.org>
# Contributor: Daniel M. Capella <polycitizen@gmail.com>
# Contributor: Bin Jin <bjin@ctrl-d.org>

pkgname=shaderc
pkgver=2025.4
pkgrel=1
pkgdesc='Collection of tools, libraries and tests for shader compilation'
url='https://github.com/google/shaderc'
arch=('x86_64' 'aarch64')
license=('Apache-2.0')
depends=('glibc' 'gcc-libs' 'glslang' 'spirv-tools')
makedepends=('asciidoctor' 'cmake' 'ninja' 'python' 'spirv-headers')
provides=('libshaderc_shared.so')
source=(https://github.com/google/shaderc/archive/v${pkgver}/${pkgname}-${pkgver}.tar.gz)
sha512sums=('78a1dac0bd80c447193680066970343413cf504314d0f9a0af772181cf2e673b22b0d467a06cefa9743f451e1c0c9445ade82d3ee68eae927a4c784ec2ca15e3')
b2sums=('eb9fc280e1137198508885114abbeb1e196e0aa5dd9900585a40b76d279c8de3352da76f4ca0444110961bd0edc999caa1f9153ec89a8becc9301a67bc7fec74')

prepare() {
  cd ${pkgname}-${pkgver}

  # de-vendor libs and disable git versioning
  sed '/examples/d;/third_party/d' -i CMakeLists.txt
  sed '/build-version/d' -i glslc/CMakeLists.txt
  cat <<- EOF > glslc/src/build-version.inc
"${pkgver}\\n"
"$(pacman -Q spirv-tools|cut -d \  -f 2|sed 's/-.*//')\\n"
"$(pacman -Q glslang|cut -d \  -f 2|sed 's/-.*//')\\n"
EOF
}

build() {
  cd ${pkgname}-${pkgver}
  cmake \
    -B build \
    -GNinja \
    -DCMAKE_BUILD_TYPE=Release \
    -DCMAKE_INSTALL_PREFIX=/usr \
    -DCMAKE_CXX_FLAGS="$CXXFLAGS -ffat-lto-objects" \
    -DSHADERC_SKIP_TESTS=ON \
    -DPYTHON_EXECUTABLE=python \
    -Dglslang_SOURCE_DIR=/usr/include/glslang
  ninja -C build

  cd glslc
  asciidoctor -b manpage README.asciidoc -o glslc.1
}

check() {
  cd ${pkgname}-${pkgver}
  ninja -C build test
}

package() {
  cd ${pkgname}-${pkgver}
  DESTDIR="${pkgdir}" ninja -C build install
  install -Dm 644 glslc/glslc.1 -t "${pkgdir}/usr/share/man/man1"

  # Remove unused shaderc_static.pc
  rm "${pkgdir}/usr/lib/pkgconfig/shaderc_static.pc"
}

# vim: ts=2 sw=2 et:
