--- Makefile.old	2015-11-04 18:41:15.954508805 +0100
+++ Makefile	2015-11-04 18:59:14.219436351 +0100
@@ -125,6 +125,10 @@
 USE_GNOME=	libxml2
 .endif
 
+.if ${PORT_OPTIONS:MHTTP2}
+CONFIGURE_ARGS+= --with-nghttp2=${LOCALBASE}
+.endif
+
 .include <bsd.port.pre.mk>
 .include "${APACHEDIR}/Makefile.modules"