# This is the recipe.sh script. It is executed by BPM in a temporary directory when compiling a source package
# BPM Expects the source code to be extracted into the automatically created 'source' directory which can be accessed using $BPM_SOURCE
# BPM Expects the output files to be present in the automatically created 'output' directory which can be accessed using $BPM_OUTPUT

# The build function is executed in the source directory
# This function is used to compile the source code
build() {
  # Allow building with system libraries
  sed -i '/build-version/d' glslc/CMakeLists.txt
  sed -i '/third_party/d' CMakeLists.txt
  sed -i 's|SPIRV|glslang/&|' libshaderc_util/src/compiler.cc

  # Create build version file
  echo "\"${BPM_PKG_VERSION}\"" > glslc/src/build-version.inc

  mkdir build
  cd build

  cmake -DCMAKE_INSTALL_PREFIX=/usr -DCMAKE_BUILD_TYPE=Release -DSHADERC_SKIP_TESTS=ON -G Ninja ..
  ninja
}

# The check function is executed in the source directory
# This function is used to run tests to verify the package has been compiled correctly
check() {
  cd build

  ninja test
}

# The package function is executed in the source directory
# This function is used to move the compiled files into the output directory
package() {
  cd build
  
  DESTDIR="$BPM_OUTPUT" ninja install

  # Remove unused shaderc_static.pc
  rm "$BPM_OUTPUT"/usr/lib/pkgconfig/shaderc_static.pc

  install -Dm644 "$BPM_SOURCE"/LICENSE "$BPM_OUTPUT"/usr/share/licenses/shaderc/LICENSE
}