diff --git a/lang/oo2c/Makefile b/lang/oo2c/Makefile
index 2e5aa5f73da2..96ac69bfb8e4 100644
--- a/lang/oo2c/Makefile
+++ b/lang/oo2c/Makefile
@@ -19,6 +19,8 @@ USE_BZIP2=	yes
 USE_AUTOTOOLS=	libtool
 GNU_CONFIGURE=	yes
 USE_LDCONFIG=	yes
+USE_CSTD=	gnu89
+USE_GCC=	any
 CPPFLAGS+=	-I${LOCALBASE}/include
 LDFLAGS+=	-L${LOCALBASE}/lib