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-rw-r--r--include/features.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/features.h b/include/features.h
index 366fcc5c6d..5e39b7fcc9 100644
--- a/include/features.h
+++ b/include/features.h
@@ -281,7 +281,7 @@
 #if defined __GNUC__ \
     || (defined __PGI && defined __i386__ ) \
     || (defined __INTEL_COMPILER && (defined __i386__ || defined __ia64__)) \
-    || (defined __STDC_VERSION && __STDC_VERSION >= 199901L)
+    || (defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L)
 # define __GLIBC_HAVE_LONG_LONG	1
 #endif