1 files changed, 8 insertions, 2 deletions
diff --git a/src/glx/dri_common.h b/src/glx/dri_common.h
index 4fe0d3f..425d89f 100644
--- a/src/glx/dri_common.h
+++ b/src/glx/dri_common.h
@@ -39,6 +39,12 @@
 #include <GL/internal/dri_interface.h>
 #include <stdbool.h>
 
+#if (__GNUC__ >= 3)
+#define PRINTFLIKE(f, a) __attribute__ ((format(__printf__, f, a)))
+#else
+#define PRINTFLIKE(f, a)
+#endif
+
 typedef struct __GLXDRIconfigPrivateRec __GLXDRIconfigPrivate;
 
 struct __GLXDRIconfigPrivateRec
@@ -61,10 +67,10 @@ driReleaseDrawables(struct glx_context *gc);
 
 extern const __DRIsystemTimeExtension systemTimeExtension;
 
-extern void InfoMessageF(const char *f, ...);
+extern void dri_message(int level, const char *f, ...) PRINTFLIKE(2, 3);
 
+extern void InfoMessageF(const char *f, ...);
 extern void ErrorMessageF(const char *f, ...);
-
 extern void CriticalErrorMessageF(const char *f, ...);
 
 extern void *driOpenDriver(const char *driverName);