Index: options.mk
===================================================================
RCS file: /cvsroot/pkgsrc/net/mtr/options.mk,v
retrieving revision 1.4
diff -p -u -r1.4 options.mk
--- options.mk	31 Oct 2013 00:38:20 -0000	1.4
+++ options.mk	25 Nov 2013 13:42:39 -0000
@@ -1,8 +1,8 @@
 # $NetBSD: options.mk,v 1.4 2013/10/31 00:38:20 wiz Exp $
 
 PKG_OPTIONS_VAR=	PKG_OPTIONS.mtr
-PKG_SUPPORTED_OPTIONS=	gtk glib
-PKG_SUGGESTED_OPTIONS=	glib
+PKG_SUPPORTED_OPTIONS=	gtk glib inet6
+PKG_SUGGESTED_OPTIONS=	glib inet6
 
 .include "../../mk/bsd.options.mk"
 
@@ -17,3 +17,7 @@ CONFIGURE_ARGS+=	--without-gtk
 .else
 CONFIGURE_ARGS+=	--without-glib
 .endif
+
+.if empty(PKG_OPTIONS:Minet6)
+CONFIGURE_ARGS+=	--disable-ipv6
+.endif