diff -ruN twin.orig/Makefile twin/Makefile
--- twin.orig/Makefile	Sat May  3 22:02:14 2003
+++ twin/Makefile	Thu May 22 19:41:29 2003
@@ -15,13 +15,20 @@
 MAINTAINER=	ports@FreeBSD.org
 COMMENT=	Willows Toolkit for migrating and developing Windows applications
 
+ONLY_FOR_ARCHS= i386 alpha powerpc arm mips sparc
+
 WRKSRC=		${WRKDIR}/${PORTNAME}
 
 USE_XLIB=	yes
 USE_GMAKE=	yes
-GNU_CONFIGURE=	yes
+HAS_CONFIGURE=	yes
 CONFIGURE_ARGS=	--disable-debugger
+.if ${MACHINE_ARCH} != "i386"
+  CONFIGURE_ARGS+= --disable-intp
+.endif
+
 ALL_TARGET=	depend world
+
 PLIST_SUB=	LIBVER="${LIBVER}"
 INSTALLS_SHLIB=	yes