graphics/ampasCTL: Fix build with llvm16

Sponsored by:	The FreeBSD Foundation

graphics/ampasCTL/Makefile

@@ -17,20 +17,20 @@ LIB_DEPENDS=	libImath.so:math/Imath \
 		libtiff.so:graphics/tiff \
 		libAcesContainer.so:graphics/ampasACES-container
 
-USES=		compiler:c++11-lang cmake pathfix pkgconfig
-USE_LDCONFIG=	yes
+USES=		cmake compiler:c++11-lang localbase:ldflags pathfix pkgconfig
+USE_CXXSTD=	c++11
 USE_GITHUB=	yes
-
 GH_ACCOUNT=	ampas
 GH_PROJECT=	CTL
 GH_TAGNAME=	57b48a2
+USE_LDCONFIG=	yes
 
 CFLAGS+=	-I${LOCALBASE}/include/OpenEXR -I${LOCALBASE}/include/Imath
-LDFLAGS+=	-L${LOCALBASE}/lib
+
+PORTDOCS=	*
 
 OPTIONS_DEFINE=	DOCS
 
-PORTDOCS=	*
 DOCSRCDIR1=	${WRKSRC}
 DOC_FILES1=	AUTHORS CHANGELOG README.md
 DOCSRCDIR2=	${WRKSRC}/doc