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-rw-r--r--lang/treecc/Makefile1
1 files changed, 1 insertions, 0 deletions
diff --git a/lang/treecc/Makefile b/lang/treecc/Makefile
index 7fcdb3bcd003..707b523839ab 100644
--- a/lang/treecc/Makefile
+++ b/lang/treecc/Makefile
@@ -14,6 +14,7 @@ MAINTAINER= ahze@ahze.net
GNU_CONFIGURE= yes
USE_GMAKE= yes
+USE_BISON= yes
MAN1= treecc.1
.include <bsd.port.mk>