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-rw-r--r--sys/sys/cdefs.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/sys/cdefs.h b/sys/sys/cdefs.h
index b3a5485..b9bc815 100644
--- a/sys/sys/cdefs.h
+++ b/sys/sys/cdefs.h
@@ -143,7 +143,7 @@
#endif
#endif
-#if __GNUC__ == 3 && __GNUC_MINOR__ >= 3
+#if (__GNUC__ == 3 && __GNUC_MINOR__ >= 3) || __GNUC__ >= 4
#define __nonnull(x) __attribute__((__nonnull__(x)))
#else
#define __nonnull(x)
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