Index: head/games/vkquake/Makefile
===================================================================
--- head/games/vkquake/Makefile	(revision 538495)
+++ head/games/vkquake/Makefile	(revision 538496)
@@ -1,97 +1,97 @@
 # $FreeBSD$
 
 PORTNAME=	vkquake
 DISTVERSION=	1.03.0
 CATEGORIES=	games
 
 MAINTAINER=	greg@unrelenting.technology
 COMMENT=	Quake 1 port using Vulkan instead of OpenGL, based on QuakeSpasm
 
 LICENSE=	GPLv2+
 LICENSE_FILE=	${WRKSRC}/../LICENSE.txt
 
 BUILD_DEPENDS=	${LOCALBASE}/include/vulkan/vulkan.h:devel/vulkan-headers
 LIB_DEPENDS=	libX11-xcb.so:x11/libX11 \
 		libvulkan.so:graphics/vulkan-loader
 
 WRKSRC_SUBDIR=	Quake
 
 USES=		desktop-file-utils gmake gnome pkgconfig sdl
 USE_SDL=	sdl2
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	Novum
 GH_PROJECT=	vkQuake
 
 INSTALLS_ICONS=	yes
 
-MAKE_ENV=	prefix=${PREFIX} bindir=${PREFIX}/bin
+MAKE_ENV=	prefix=${PREFIX} bindir=${PREFIX}/bin VULKAN_SDK=${LOCALBASE}
 ALL_TARGET=	# empty
 
 .include	"${.CURDIR}/../quake-data/Makefile.include"
 
 CFLAGS+=	-DDATADIR='\"${Q1DIR}\"'
 
 OPTIONS_DEFINE=			USERDIRS WAVE FLAC MP3 VORBIS # OPUS
 OPTIONS_RADIO=			MODPLAYER
 OPTIONS_RADIO_MODPLAYER=	MIKMOD XMP MODPLUG
 OPTIONS_DEFAULT=		USERDIRS WAVE FLAC VORBIS MODPLUG # OPUS MODPLUG
 
 USERDIRS_DESC=	Enable support for loading game files from user directories (~/.vkquake)
 WAVE_DESC=	Enable support for Wave music
 FLAC_DESC=	Enable support for FLAC music
 MP3_DESC=	Enable support for MP3 music
 VORBIS_DESC=	Enable support for Ogg Vorbis music
 # OPUS_DESC=	Enable support for Opus music
 MIKMOD_DESC=	Enable support for tracker module music using MikMod
 XMP_DESC=	Enable support for tracker module music using XMP
 MODPLUG_DESC=	Enable support for tracker module music using ModPlug
 
 USERDIRS_MAKE_ARGS=	DO_USERDIRS=1
 USERDIRS_MAKE_ARGS_OFF=	DO_USERDIRS=0
 
 WAVE_MAKE_ARGS=		USE_CODEC_WAVE=1
 WAVE_MAKE_ARGS_OFF=	USE_CODEC_WAVE=0
 
 FLAC_MAKE_ARGS=		USE_CODEC_FLAC=1
 FLAC_MAKE_ARGS_OFF=	USE_CODEC_FLAC=0
 FLAC_LIB_DEPENDS=	libFLAC.so:audio/flac
 
 MP3_MAKE_ARGS=		USE_CODEC_MP3=1 MP3LIB=mpg123
 MP3_MAKE_ARGS_OFF=	USE_CODEC_MP3=0
 MP3_LIB_DEPENDS=	libmpg123.so:audio/mpg123
 
 VORBIS_MAKE_ARGS=	USE_CODEC_VORBIS=1 VORBISLIB=vorbis
 VORBIS_MAKE_ARGS_OFF=	USE_CODEC_VORBIS=0
 VORBIS_LIB_DEPENDS=	libvorbis.so:audio/libvorbis \
 			libvorbisfile.so:audio/libvorbis \
 			libogg.so:audio/libogg
 
 # XXX: crashes on start
 # OPUS_MAKE_ARGS=		USE_CODEC_OPUS=1
 # OPUS_MAKE_ARGS_OFF=	USE_CODEC_OPUS=0
 # OPUS_LIB_DEPENDS=	libopus.so:audio/opus \
 # 			libopusfile.so:audio/opusfile
 
 MIKMOD_MAKE_ARGS=	USE_CODEC_MIKMOD=1
 MIKMOD_MAKE_ARGS_OFF=	USE_CODEC_MIKMOD=0
 MIKMOD_LIB_DEPENDS=	libmikmod.so:audio/libmikmod
 
 XMP_MAKE_ARGS=		USE_CODEC_XMP=1
 XMP_MAKE_ARGS_OFF=	USE_CODEC_XMP=0
 XMP_LIB_DEPENDS=	libxmp.so:audio/xmp
 
 MODPLUG_MAKE_ARGS=	USE_CODEC_MODPLUG=1
 MODPLUG_MAKE_ARGS_OFF=	USE_CODEC_MODPLUG=0
 MODPLUG_LIB_DEPENDS=	libmodplug.so:audio/libmodplug
 
 post-install:
 	${MKDIR} ${STAGEDIR}${Q1DIR}
 	${INSTALL_DATA} ${WRKSRC}/vkquake.pak ${STAGEDIR}${Q1DIR}
 	${MKDIR} ${STAGEDIR}${PREFIX}/share/icons/hicolor/256x256/apps
 	${INSTALL_DATA} ${FILESDIR}/vkquake.png \
 		${STAGEDIR}${PREFIX}/share/icons/hicolor/256x256/apps/vkquake.png
 	${INSTALL_DATA} ${FILESDIR}/vkquake.desktop \
 		${STAGEDIR}${PREFIX}/share/applications
 
 .include <bsd.port.mk>