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-rw-r--r--include/features.h8
1 files changed, 6 insertions, 2 deletions
diff --git a/include/features.h b/include/features.h
index 2ab3b6b15..b378d3161 100644
--- a/include/features.h
+++ b/include/features.h
@@ -421,8 +421,12 @@ uClibc was built without large file support enabled.
#if __GNUC__ == 2 && __GNUC_MINOR__ < 96
#define __builtin_expect(x, expected_value) (x)
#endif
-#define likely(x) __builtin_expect((!!(x)),1)
-#define unlikely(x) __builtin_expect((!!(x)),0)
+#ifndef likely
+# define likely(x) __builtin_expect((!!(x)),1)
+#endif
+#ifndef unlikely
+# define unlikely(x) __builtin_expect((!!(x)),0)
+#endif
/* --- this is added to integrate linuxthreads */
#define __USE_UNIX98 1