Index: head/devel/vulkan-tools/Makefile
===================================================================
--- head/devel/vulkan-tools/Makefile	(revision 535354)
+++ head/devel/vulkan-tools/Makefile	(revision 535355)
@@ -1,59 +1,59 @@
 # $FreeBSD$
 
 PORTNAME=	vulkan-tools
 DISTVERSIONPREFIX=	sdk-
 DISTVERSION=	1.2.135.0
 CATEGORIES=	devel graphics
 
 MAINTAINER=	greg@unrelenting.technology
 COMMENT=	Tools and demos for the Vulkan graphics API
 
 LICENSE=	APACHE20
 
 BUILD_DEPENDS=	${LOCALBASE}/include/vulkan/vulkan.h:devel/vulkan-headers \
 		glslangValidator:devel/glslang
 LIB_DEPENDS=	libvulkan.so:graphics/vulkan-loader
 
 USES=		cmake compiler:c++11-lib pkgconfig python:3.4+,build
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	KhronosGroup
 GH_PROJECT=	Vulkan-Tools
 
 CMAKE_OFF=	BUILD_ICD
 CMAKE_ARGS=	-DGLSLANG_INSTALL_DIR=${LOCALBASE}
 
 OPTIONS_DEFINE=		WAYLAND XCB XLIB
 OPTIONS_DEFAULT=	WAYLAND XCB XLIB
 
 WAYLAND_DESC=	Build Wayland WSI (Window System Integration) support
 XCB_DESC=	Build XCB WSI (Window System Integration) support
 XLIB_DESC=	Build Xlib WSI (Window System Integration) support
 
 WAYLAND_BUILD_DEPENDS=	${LOCALBASE}/include/linux/input.h:devel/evdev-proto
 WAYLAND_LIB_DEPENDS=	libwayland-client.so:graphics/wayland
 WAYLAND_CMAKE_BOOL=	BUILD_WSI_WAYLAND_SUPPORT
 
 XCB_CMAKE_BOOL=		BUILD_WSI_XCB_SUPPORT
 XCB_LIB_DEPENDS=	libxcb.so:x11/libxcb
 
 XLIB_CMAKE_BOOL=	BUILD_WSI_XLIB_SUPPORT
 XLIB_LIB_DEPENDS=	libX11.so:x11/libX11 \
 			libXext.so:x11/libXext \
 			libICE.so:x11/libICE \
 			libSM.so:x11/libSM
 
 .include <bsd.port.options.mk>
 
 .if ${PORT_OPTIONS:MXCB}
 CMAKE_ARGS+=	-DCUBE_WSI_SELECTION:STRING="XCB"
 .elif ${PORT_OPTIONS:MXLIB}
 CMAKE_ARGS+=	-DCUBE_WSI_SELECTION:STRING="XLIB"
 .elif ${PORT_OPTIONS:MWAYLAND}
 CMAKE_ARGS+=	-DCUBE_WSI_SELECTION:STRING="WAYLAND"
 .else
 CMAKE_ARGS+=	-DCUBE_WSI_SELECTION:STRING="DISPLAY"
-BROKEN=		fails to build
+BROKEN=		https://github.com/KhronosGroup/Vulkan-Headers/issues/122
 .endif
 
 .include <bsd.port.mk>