games/xbubble: Fix build with llvm16

- Utilize USES=localbase
- Pet portclippy

Sponsored by:	The FreeBSD Foundation

games/xbubble/Makefile

@@ -13,17 +13,22 @@ LICENSE_FILE=	${WRKSRC}/COPYING
 
 LIB_DEPENDS=	libpng.so:graphics/png
 
-USES=		gmake xorg
+USES=		gmake localbase:ldflags xorg
 USE_XORG=	x11 xmu
-GNU_CONFIGURE=	yes
 
-CPPFLAGS+=	-I${LOCALBASE}/include
-LDFLAGS+=	-L${LOCALBASE}/lib
+GNU_CONFIGURE=	yes
 
 OPTIONS_DEFINE=	NLS
 OPTIONS_SUB=	yes
+
 NLS_USES=	gettext
 NLS_CONFIGURE_ENABLE=	nls
 NLS_LIBS=	-lintl
 
+.include <bsd.port.options.mk>
+
+.if ${OPSYS} == FreeBSD && ${OSVERSION} >= 1400091
+CFLAGS+=	-Wno-error=incompatible-function-pointer-types
+.endif
+
 .include <bsd.port.mk>