Index: head/graphics/libavif/Makefile
===================================================================
--- head/graphics/libavif/Makefile	(revision 546057)
+++ head/graphics/libavif/Makefile	(revision 546058)
@@ -1,44 +1,46 @@
 # $FreeBSD$
 
 PORTNAME=	libavif
 DISTVERSIONPREFIX=	v
 DISTVERSION=	0.8.1
 PORTREVISION=	1
 CATEGORIES=	graphics
 
+PATCH_SITES=	https://github.com/${GH_ACCOUNT}/${GH_PROJECT}/commit/
+PATCHFILES+=	274766b5e5a4.patch:-p1 # https://github.com/AOMediaCodec/libavif/pull/270
+
 MAINTAINER=	jbeich@FreeBSD.org
 COMMENT=	Library for encoding and decoding .avif files
 
 LICENSE=	BSD2CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 LIB_DEPENDS=	libpng.so:graphics/png
 
 USES=		cmake compiler:c11 jpeg localbase:ldflags pkgconfig
 USE_GITHUB=	yes
 USE_LDCONFIG=	yes
 GH_ACCOUNT=	AOMediaCodec
 CMAKE_ON=	AVIF_BUILD_APPS
 
 OPTIONS_DEFINE=	AOM DAV1D PIXBUF RAV1E
 OPTIONS_DEFAULT=AOM DAV1D PIXBUF
 OPTIONS_SUB=	yes
 
 AOM_DESC=		AV1 encoding/decoding via libaom
 AOM_LIB_DEPENDS=	libaom.so:multimedia/aom
 AOM_CMAKE_BOOL=		AVIF_CODEC_AOM
 
 DAV1D_DESC=		AV1 decoding via libdav1d
 DAV1D_LIB_DEPENDS=	libdav1d.so:multimedia/dav1d
 DAV1D_CMAKE_BOOL=	AVIF_CODEC_DAV1D
 
 PIXBUF_USES=		gnome
 PIXBUF_USE=		GNOME=gdkpixbuf2
 PIXBUF_CMAKE_BOOL=	AVIF_BUILD_GDK_PIXBUF
-PIXBUF_CFLAGS=		-Wno-error=cast-qual # https://github.com/AOMediaCodec/libavif/issues/251
 
 RAV1E_DESC=		AV1 encoding via librav1e
 RAV1E_LIB_DEPENDS=	librav1e.so:multimedia/librav1e
 RAV1E_CMAKE_BOOL=	AVIF_CODEC_RAV1E
 
 .include <bsd.port.mk>
Index: head/graphics/libavif/distinfo
===================================================================
--- head/graphics/libavif/distinfo	(revision 546057)
+++ head/graphics/libavif/distinfo	(revision 546058)
@@ -1,3 +1,5 @@
 TIMESTAMP = 1596657453
 SHA256 (AOMediaCodec-libavif-v0.8.1_GH0.tar.gz) = 27d39b69151fd090f26e10779ec79876af44876d180edda77beafa8e7e7aca26
 SIZE (AOMediaCodec-libavif-v0.8.1_GH0.tar.gz) = 2915941
+SHA256 (274766b5e5a4.patch) = d446c8ed9be1366a4a9d02875e49d2878ceae108040dc30f0b3d7aabfaace6a9
+SIZE (274766b5e5a4.patch) = 1053