diff options
Diffstat (limited to 'string/string.h')
| -rw-r--r-- | string/string.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/string/string.h b/string/string.h index ecc3fef1bd..33d01ad71c 100644 --- a/string/string.h +++ b/string/string.h @@ -31,8 +31,12 @@ __BEGIN_DECLS #define __need_NULL #include <stddef.h> -/* Tell the caller that we provide correct C++ prototypes. */ -#if defined __cplusplus && __GNUC_PREREQ (4, 4) +/* Provide correct C++ prototypes, and indicate this to the caller. This + requires a compatible C++ standard library. As a heuristic, we provide + these when the compiler indicates full conformance with C++98 or later, + and for older GCC versions that are known to provide a compatible + libstdc++. */ +#if defined __cplusplus && (__cplusplus >= 199711L || __GNUC_PREREQ (4, 4)) # define __CORRECT_ISO_CPP_STRING_H_PROTO #endif |