Undefine assert if it's defined already

diff --git a/source/exn/exn.h b/source/exn/exn.h
index 93ad5f699af282a6a5a1dd4b2ee6bafd0c4b29b2..e3a02064aae3ad75b9ccb1cebc4917aac33a6487 100755 (executable)
--- a/source/exn/exn.h
+++ b/source/exn/exn.h
@@ -66,6 +66,10 @@ void exn_assert(bool expr);
 
 #define rethrow() exn_rethrow()
 
+
+#ifdef assert
+#undef assert
+#endif
 #ifdef NDEBUG
 #define assert(expr) ((void)0)
 #else