Index: head/graphics/waifu2x-ncnn-vulkan/Makefile
===================================================================
--- head/graphics/waifu2x-ncnn-vulkan/Makefile	(revision 539373)
+++ head/graphics/waifu2x-ncnn-vulkan/Makefile	(revision 539374)
@@ -1,45 +1,54 @@
 # $FreeBSD$
 
 PORTNAME=	waifu2x-ncnn-vulkan
 DISTVERSION=	20200606
+PORTREVISION=	1
 CATEGORIES=	graphics
 
 MAINTAINER=	jbeich@FreeBSD.org
 COMMENT=	Scale and denoise images using convolutional neural networks
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	glslangValidator:devel/glslang \
-		vulkan-headers>0:devel/vulkan-headers
+		vulkan-headers>0:devel/vulkan-headers \
+		${LOCALBASE}/lib/libncnn.a:misc/ncnn
 LIB_DEPENDS=	libwebp.so:graphics/webp \
 		libvulkan.so:graphics/vulkan-loader
 
 USES=		cmake compiler:${OPENMP}c++11-lib localbase:ldflags
 USE_GITHUB=	yes
 GH_ACCOUNT=	nihui
-GH_TUPLE=	KhronosGroup:glslang:8.13.3743-39-gd39b8afc:glslang/src/ncnn/glslang \
-		Tencent:ncnn:20200413-97-g13c59d9:ncnn/src/ncnn
 CMAKE_SOURCE_PATH=	${WRKSRC}/src
+CFLAGS+=	-isystem${LOCALBASE}/include/ncnn
+LDFLAGS+=	-lglslang -lHLSL -lOSDependent -lOGLCompiler -lSPIRV -lpthread # from ncnn
 PLIST_FILES=	bin/${PORTNAME}
 PORTDATA=	*
 
 .if !exists(/usr/include/omp.h)
 # XXX ports/199603: LLVM openmp in base doesn't support aarch64, armv6, armv7 yet
 OPENMP=		gcc-
 .endif
 
+pre-configure:
+	@if ${GREP} -q 'NCNN_VULKAN 0' ${LOCALBASE}/include/ncnn/platform.h; then \
+		${ECHO_MSG} "${PKGBASE} requires ncnn built with VULKAN option enabled."; \
+		return 1; \
+	fi
+
 post-extract:
 	@${ECHO_CMD} >${WRKSRC}/src/libwebp/CMakeLists.txt
+	@${ECHO_CMD} >${WRKSRC}/src/ncnn/CMakeLists.txt
 
 post-patch:
 	@${REINPLACE_CMD} -e '/PATHSTR/s,models-,${DATADIR}/&,' \
 		${WRKSRC}/src/main.cpp
 
 do-install:
 	${INSTALL_PROGRAM} ${INSTALL_WRKSRC}/${PORTNAME} \
 		${STAGEDIR}${PREFIX}/bin
 	(cd ${WRKSRC}/models && ${COPYTREE_SHARE} "${PORTDATA}" \
 		${STAGEDIR}${DATADIR})
 
 .include <bsd.port.mk>
Index: head/graphics/waifu2x-ncnn-vulkan/distinfo
===================================================================
--- head/graphics/waifu2x-ncnn-vulkan/distinfo	(revision 539373)
+++ head/graphics/waifu2x-ncnn-vulkan/distinfo	(revision 539374)
@@ -1,7 +1,3 @@
 TIMESTAMP = 1591444867
 SHA256 (nihui-waifu2x-ncnn-vulkan-20200606_GH0.tar.gz) = 744a71279dd670eae432dad345302ef1e197cb6f64099a5a937ca545647d5afd
 SIZE (nihui-waifu2x-ncnn-vulkan-20200606_GH0.tar.gz) = 34067785
-SHA256 (KhronosGroup-glslang-8.13.3743-39-gd39b8afc_GH0.tar.gz) = 5785e8d5fc2f77a1b0643910480c76fc049bc3e7592c6cd9df7fc8c1864af344
-SIZE (KhronosGroup-glslang-8.13.3743-39-gd39b8afc_GH0.tar.gz) = 3203976
-SHA256 (Tencent-ncnn-20200413-97-g13c59d9_GH0.tar.gz) = b336a04546f148928b7507155c1e3db829a1ec93e062e2d44f158c685ccfae53
-SIZE (Tencent-ncnn-20200413-97-g13c59d9_GH0.tar.gz) = 10606993