Index: head/multimedia/gmmlib/Makefile
===================================================================
--- head/multimedia/gmmlib/Makefile	(revision 521705)
+++ head/multimedia/gmmlib/Makefile	(revision 521706)
@@ -1,47 +1,48 @@
 # $FreeBSD$
 
 PORTNAME=	gmmlib
 DISTVERSIONPREFIX=	intel-${PORTNAME}-
 DISTVERSION=	19.4.1
 CATEGORIES=	multimedia
 
+PATCH_SITES=	https://github.com/${GH_ACCOUNT}/${GH_PROJECT}/commit/
+PATCHFILES+=	f17dd87c7f57.patch:-p1 # https://github.com/intel/gmmlib/pull/67
+
 MAINTAINER=	jbeich@FreeBSD.org
 COMMENT=	Intel Graphics Memory Management Library
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE.md
 
 ONLY_FOR_ARCHS=	amd64 i386
 ONLY_FOR_ARCHS_REASON=	Only Intel GPUs on x86 are supported
 
 USES=		cmake compiler:c++11-lib
 USE_GITHUB=	yes
 USE_LDCONFIG=	yes
 GH_ACCOUNT=	intel
 CMAKE_ARGS=	-DBUILD_TYPE:STRING="${CMAKE_BUILD_TYPE}" \
 		-DGMMLIB_MARCH:STRING="${CPUTYPE}"
 
-OPTIONS_DEFINE=	DEBUG TEST
-
-DEBUG_CFLAGS=	-D_DEBUG
+OPTIONS_DEFINE=	TEST
 
 # XXX Unbundle googletest
 TEST_CMAKE_BOOL=	RUN_TEST_SUITE
 TEST_TEST_TARGET=	Run_ULT
 
 post-patch:
 # Silence -Wmacro-redefined
 	@${REINPLACE_CMD} -e '/__fastcall/d' \
 		${WRKSRC}/Source/inc/portable_compiler.h
 # XXX Uncomment and drop patches if upstream doesn't regain sanity
 .if !exists(${.CURDIR}/files/patch-gcc-atomics) && !exists(${.CURDIR}/files/patch-unix)
 # Avoid platform whitelists for generic non-Windows code
 	@${GREP} --exclude='*/os.h*' --exclude='*/googletest/*' -Flr '__linux' ${WRKSRC} | ${XARGS} \
 		${REINPLACE_CMD} -i .opsys -E 's/__linux(__)?/__unix__/'
 .endif
 
 post-install:
 # Clean up after PATTERN-based install
 	@${FIND} ${STAGEDIR}${PREFIX}/include -type d -empty -delete
 
 .include <bsd.port.mk>
Index: head/multimedia/gmmlib/distinfo
===================================================================
--- head/multimedia/gmmlib/distinfo	(revision 521705)
+++ head/multimedia/gmmlib/distinfo	(revision 521706)
@@ -1,3 +1,5 @@
 TIMESTAMP = 1576822167
 SHA256 (intel-gmmlib-intel-gmmlib-19.4.1_GH0.tar.gz) = bb874b41c499abb8f6253b1834e93a02ed9744de71f2503ee9cd4100af7c1860
 SIZE (intel-gmmlib-intel-gmmlib-19.4.1_GH0.tar.gz) = 707375
+SHA256 (f17dd87c7f57.patch) = 0bdfd22e8f36a097c875796c7bbf7003a16cc7535fdf5d3caa3a7de9dc21c28e
+SIZE (f17dd87c7f57.patch) = 1485