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-rw-r--r--ubifs-utils/common/atomic.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/ubifs-utils/common/atomic.h b/ubifs-utils/common/atomic.h
index f287d43..95754b2 100644
--- a/ubifs-utils/common/atomic.h
+++ b/ubifs-utils/common/atomic.h
@@ -2,8 +2,12 @@
#ifndef __ATOMIC_H__
#define __ATOMIC_H__
+#define GCC_VERSION (__GNUC__ * 10000 \
+ + __GNUC_MINOR__ * 100 \
+ + __GNUC_PATCHLEVEL__)
+
/* Check GCC version, just to be safe */
-#if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC_MINOR__ < 1)
+#if GCC_VERSION < 40100
# error atomic.h works only with GCC newer than version 4.1
#endif /* GNUC >= 4.1 */