diff -u pkgsrc-2016Q4/wip/antlr3-c/Makefile pkgsrc/wip/antlr3-c/Makefile
--- pkgsrc-2016Q4/wip/antlr3-c/Makefile	2017-02-07 10:36:51.000000000 +0100
+++ pkgsrc/wip/antlr3-c/Makefile	2017-03-03 19:23:41.894355938 +0100
@@ -15,4 +15,8 @@
 USE_LIBTOOL=	yes
 USE_TOOLS+=	gmake
 
+# Would enable -m32 on a 64 bit system if it does get the compiler
+# version wrong.
+CONFIGURE_ARGS += --disable-abiflags
+
 .include "../../mk/bsd.pkg.mk"