@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.17 2014/05/29 23:37:34 wiz Exp $
+# $NetBSD: Makefile,v 1.18 2014/09/06 07:42:11 jperkin Exp $
 
 DISTNAME=	groff-1.10
 PKGNAME=	ja-groff-0.99
@@ -17,7 +17,7 @@
 
 MAKE_JOBS_SAFE=		no
 
-USE_TOOLS+=	gmake perl:run
+USE_TOOLS+=	gmake perl:run yacc
 USE_LANGUAGES=	c c++
 GNU_CONFIGURE=	yes
 CONFIGURE_HAS_MANDIR=	no