diff --git a/source/lib/sysdep/sysdep.h b/source/lib/sysdep/sysdep.h
index 541d66ac61..c0dd7f49e0 100755
--- a/source/lib/sysdep/sysdep.h
+++ b/source/lib/sysdep/sysdep.h
@@ -26,6 +26,10 @@ extern float fminf(float a, float b);
 extern float fmaxf(float a, float b);
 #endif
 
+#ifndef _MSC_VER
+#define stricmp strcasecmp
+#define strnicmp strncasecmp
+#endif
 
 #ifdef __cplusplus
 }