diff options
| -rw-r--r-- | include/sys/cdefs.h | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/include/sys/cdefs.h b/include/sys/cdefs.h index 877746e47..7df9f1e52 100644 --- a/include/sys/cdefs.h +++ b/include/sys/cdefs.h @@ -20,9 +20,14 @@ #endif -/* No C++ */ -#define __BEGIN_DECLS -#define __END_DECLS +/* C++ needs to know that types and declarations are C, not C++. */ +#ifdef __cplusplus +# define __BEGIN_DECLS extern "C" { +# define __END_DECLS } +#else +# define __BEGIN_DECLS +# define __END_DECLS +#endif /* GNUish things */ #define __CONSTVALUE |