Switch to new package format

recipe.sh

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+# 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
+}