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-rw-r--r--src/mesa/glapi/glthread.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/mesa/glapi/glthread.h b/src/mesa/glapi/glthread.h
index ad2a63584b..ae2f79f37d 100644
--- a/src/mesa/glapi/glthread.h
+++ b/src/mesa/glapi/glthread.h
@@ -338,6 +338,10 @@ _glthread_GetTSD(_glthread_TSD *);
extern void
_glthread_SetTSD(_glthread_TSD *, void *);
+#if !defined __GNUC__ || __GNUC__ < 3
+# define __builtin_expect(x, y) x
+#endif
+
#if defined(GLX_USE_TLS)
extern __thread struct _glapi_table * _glapi_tls_Dispatch