opt/glslang/Pkgfile

# Description: OpenGL and OpenGL ES shader front end and validator
# URL: https://www.khronos.org/opengles/sdk/tools/Reference-Compiler
# Maintainer: Danny Rawlins, crux at romster dot me
# Depends on: spirv-tools

name=glslang
version=8.13.3559
commit=c9b28b9f3388c607ea5506f5e6197b7150238ad3
release=1
source=(
	#https://github.com/KhronosGroup/glslang/archive/$version/$name-$version.tar.gz
	https://github.com/KhronosGroup/glslang/archive/$commit.tar.gz#/$name-$commit.tar.gz
	glslang-default-resource-limits_staticlib.patch
	0001-pkg-config-compatibility.patch)

build() {
	patch -d $name-$commit -p1 -i $SRC/glslang-default-resource-limits_staticlib.patch

	# Patch to build against system spirv-tools
	patch -d $name-$commit -p1 -i $SRC/0001-pkg-config-compatibility.patch

	local config="
-S$name-$commit \
-DCMAKE_INSTALL_PREFIX=/usr \
-DCMAKE_INSTALL_LIBDIR=lib \
-DCMAKE_BUILD_TYPE=Release \
-DCMAKE_SKIP_RPATH:BOOL=yes \
-GNinja"

	cmake -Bbuild-static $config -DBUILD_SHARED_LIBS=OFF
	cmake --build build-static
	
	cmake -Bbuild-shared $config -DBUILD_SHARED_LIBS=ON
	cmake --build build-shared
	
	DESTDIR=$PKG cmake --build build-static --target install
	DESTDIR=$PKG cmake --build build-shared --target install

	# we don't want them in here
	rm -rf $PKG/usr/include/SPIRV

	cd $PKG/usr/lib
		for lib in *.so; do
		ln -sf "${lib}" "${lib}.0"
	done
}