graphics/agg: Fix build with llvm16

- Pet portclippy
- Adopt port

Sponsored by:	The FreeBSD Foundation

graphics/agg/Makefile

@@ -6,7 +6,7 @@ MASTER_SITES=	http://distfiles.alpinelinux.org/distfiles/ \
 		http://distfiles.lesslinux.org/ \
 		http://gentoo.netnitco.net/distfiles/
 
-MAINTAINER=	ports@FreeBSD.org
+MAINTAINER=	bofh@FreeBSD.org
 COMMENT=	High Quality Rendering Engine for C++
 WWW=		http://www.antigrain.com/
 
@@ -15,14 +15,22 @@ LICENSE_FILE=	${WRKSRC}/copying
 
 LIB_DEPENDS=	libfreetype.so:print/freetype2
 
-GNU_CONFIGURE=	yes
 USES=		autoreconf cpe gmake libtool pathfix pkgconfig sdl xorg
 CPE_VENDOR=	antigrain
-USE_XORG=	x11
-USE_SDL=	sdl
 USE_LDCONFIG=	yes
+USE_SDL=	sdl
+USE_XORG=	x11
+
+GNU_CONFIGURE=	yes
+
 INSTALL_TARGET=	install-strip
 
+.include <bsd.port.options.mk>
+
+.if ${OPSYS} == FreeBSD && ${OSVERSION} >= 1400091
+CPPFLAGS+=  -Dregister=
+.endif
+
 post-patch:
 	@${REINPLACE_CMD} 's/_LDFLAGS/_LDADD/' ${WRKSRC}/examples/Makefile.am