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-rw-r--r--string/string.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/string/string.h b/string/string.h
index ee69a78d55..409fa99283 100644
--- a/string/string.h
+++ b/string/string.h
@@ -299,7 +299,7 @@ extern char *basename __P ((__const char *__filename));
#if defined __GNUC__ && __GNUC__ >= 2
-# if defined __OPTIMIZE__ && !defined __OPTIMIZE_SIZE__
+# if defined __OPTIMIZE__ && !defined __OPTIMIZE_SIZE__ && !defined __cplusplus
/* When using GNU CC we provide some optimized versions of selected
functions from this header. There are two kinds of optimizations: