added shaderc

pkgs/shaderc/build.sh

@@ -0,0 +1,36 @@
+pkgname=shaderc
+pkgver=main
+
+fetch() {
+	curl -L "https://github.com/google/shaderc/archive/refs/heads/main.tar.gz" -o $pkgname-$pkgver.tar.xz
+	tar -xf $pkgname-$pkgver.tar.xz
+	cp ../third-party.patch .
+	mkdir $pkgname-$pkgver/build
+	cd $pkgname-$pkgver
+	patch -p1 < ../third-party.patch
+	echo \"$pkgver\" > glslc/src/build-version.inc
+}
+
+build() {
+	cd $pkgname-$pkgver
+	cd build
+	cmake -G Ninja ../ \
+		-DCMAKE_BUILD_TYPE=Release \
+		-DCMAKE_INSTALL_PREFIX=/usr \
+		-DCMAKE_INSTALL_LIBDIR=lib \
+		-DSHADERC_SKIP_TESTS=ON \
+		-Dglslang_SOURCE_DIR=/usr/include/glslang
+	samu
+}
+
+package() {
+	cd $pkgname-$pkgver
+	cd build
+	DESTDIR=$pkgdir samu install
+}
+
+license() {
+	cd $pkgname-$pkgver
+	cat LICENSE
+#	cat COPYING
+}

pkgs/shaderc/third-party.patch

@@ -0,0 +1,23 @@
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -92,7 +92,6 @@ endif(MSVC)
+ 
+ # Configure subdirectories.
+ # We depend on these for later projects, so they should come first.
+-add_subdirectory(third_party)
+ 
+ if(SHADERC_ENABLE_SPVC)
+ add_subdirectory(libshaderc_spvc)
+@@ -103,11 +102,6 @@ add_subdirectory(libshaderc)
+ add_subdirectory(glslc)
+ add_subdirectory(examples)
+ 
+-add_custom_target(build-version
+-  ${PYTHON_EXECUTABLE}
+-  ${CMAKE_CURRENT_SOURCE_DIR}/utils/update_build_version.py
+-  ${shaderc_SOURCE_DIR} ${spirv-tools_SOURCE_DIR} ${glslang_SOURCE_DIR} ${CMAKE_CURRENT_BINARY_DIR}/build-version.inc
+-  COMMENT "Update build-version.inc in the Shaderc build directory (if necessary).")
+ 
+ function(define_pkg_config_file NAME LIBS)
+   add_custom_target(${NAME}-pkg-config ALL
+