Here is an update to libheif 1.21.2.

I don't see why the CXXFLAGS header path was added and don't
see a difference with CMake output before and after.


Index: Makefile
===================================================================
RCS file: /cvs/ports/multimedia/libheif/Makefile,v
retrieving revision 1.22
diff -u -p -u -p -r1.22 Makefile
--- Makefile	5 Jan 2026 19:05:59 -0000	1.22
+++ Makefile	20 Jan 2026 07:02:39 -0000
@@ -1,6 +1,6 @@
 COMMENT=	HEIF and AVIF file format decoder and encoder
 
-V=		1.21.1
+V=		1.21.2
 DISTNAME=	libheif-$V
 
 SHARED_LIBS +=  heif 3.0
@@ -34,7 +34,6 @@ LIB_DEPENDS=	graphics/gdk-pixbuf2 \
 # examples (if heif-view is enabled, also pulls in SDL2).
 LIB_DEPENDS+=	graphics/png
 
-CXXFLAGS+=	-I/usr/local/include
 CONFIGURE_ARGS=	-DCMAKE_COMPILE_WARNING_AS_ERROR=Off \
 		-DWITH_DAV1D=On \
 		-DWITH_EXAMPLE_HEIF_VIEW=Off \
Index: distinfo
===================================================================
RCS file: /cvs/ports/multimedia/libheif/distinfo,v
retrieving revision 1.14
diff -u -p -u -p -r1.14 distinfo
--- distinfo	5 Jan 2026 19:05:59 -0000	1.14
+++ distinfo	20 Jan 2026 07:02:39 -0000
@@ -1,2 +1,2 @@
-SHA256 (libheif-1.21.1.tar.gz) = l5m0scGQBvBSvPOZx2HMFH4nl2JoPO+vFocdu5tOoqE=
-SIZE (libheif-1.21.1.tar.gz) = 1854592
+SHA256 (libheif-1.21.2.tar.gz) = dfUwtxVLyT5+z4Ru38BBa/X0kGEt6MRZg8Njhap0K0I=
+SIZE (libheif-1.21.2.tar.gz) = 1859435