diff options
Diffstat (limited to 'libcxx/include/ctype.h')
| -rw-r--r-- | libcxx/include/ctype.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libcxx/include/ctype.h b/libcxx/include/ctype.h index ba0925069c64..728173ed670f 100644 --- a/libcxx/include/ctype.h +++ b/libcxx/include/ctype.h @@ -35,7 +35,9 @@ int toupper(int c); # pragma GCC system_header #endif -#include_next <ctype.h> +#if __has_include_next(<ctype.h>) +# include_next <ctype.h> +#endif #ifdef __cplusplus |