Index: head/graphics/shaderc/Makefile
===================================================================
--- head/graphics/shaderc/Makefile	(revision 536038)
+++ head/graphics/shaderc/Makefile	(revision 536039)
@@ -1,36 +1,36 @@
 # $FreeBSD$
 
 PORTNAME=	shaderc
 DISTVERSIONPREFIX=v
 DISTVERSION=	2020.0
 CATEGORIES=	graphics devel
 
-PATCH_SITES=	https://github.com/haasn/${GH_PROJECT}/commit/
-PATCHFILES=	21c8be385b3f.patch:-p1
+PATCH_SITES=	https://github.com/${GH_ACCOUNT}/${GH_PROJECT}/commit/
+PATCHFILES+=	21c8be385b3f.patch:-p1 # https://github.com/google/shaderc/pull/463
 
 MAINTAINER=	greg@unrelenting.technology
 COMMENT=	GLSL/HLSL to SPIR-V shader compiler
 
 LICENSE=	APACHE20
 
 BUILD_DEPENDS=	${LOCALBASE}/lib/libSPIRV-Tools-opt.a:devel/spirv-tools \
 		${LOCALBASE}/lib/libHLSL.a:devel/glslang
 
 USES=		cmake compiler:c++11-lib pkgconfig localbase:ldflags python:build
 USE_LDCONFIG=	yes
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	google
 GH_TUPLE=	KhronosGroup:SPIRV-Headers:1.5.3:headers/third_party/spirv-headers
 
 CMAKE_ON+=	SHADERC_SKIP_TESTS
 CMAKE_ARGS+=	-DSPIRV-Headers_SOURCE_DIR=${WRKSRC}/third_party/spirv-headers
 
 # https://git.archlinux.org/svntogit/packages.git/tree/trunk/PKGBUILD?h=packages/shaderc
 
 post-patch:
 	${REINPLACE_CMD} '/examples/d;/third_party/d' ${WRKSRC}/CMakeLists.txt
 	${REINPLACE_CMD} '/build-version/d' ${WRKSRC}/glslc/CMakeLists.txt
 	${ECHO} "\"${DISTVERSIONFULL}\"" > ${WRKSRC}/glslc/src/build-version.inc
 
 .include <bsd.port.mk>