1 files changed, 7 insertions, 0 deletions
diff --git a/cpp/src/FreezeScript/Grammar.y b/cpp/src/FreezeScript/Grammar.y
index a8ee9743010..0f993df096b 100644
--- a/cpp/src/FreezeScript/Grammar.y
+++ b/cpp/src/FreezeScript/Grammar.y
@@ -19,6 +19,13 @@
 #   pragma warning( disable : 4065 )
 #endif
 
+//
+// Avoid old style cast warnings in generated grammar
+//
+#ifdef __GNUC__
+#  pragma GCC diagnostic ignored "-Wold-style-cast"
+#endif
+
 using namespace std;
 using namespace FreezeScript;