1 files changed, 6 insertions, 1 deletions
diff --git a/flexdef.h b/flexdef.h
index 93f7e10..9fc642b 100644
--- a/flexdef.h
+++ b/flexdef.h
@@ -124,9 +124,14 @@
 #define isascii(c) ((c) <= 0177)
 #endif
 
-
+#ifdef HAVE_STDBOOL_H
+#include <stdbool.h>
+#else
+#define bool int
 #define true 1
 #define false 0
+#endif
+
 #define unspecified -1