extern "C" {
#endif
+#include <features.h>
+
#define __NEED_mode_t
#define __NEED_size_t
#define __NEED_off_t
int shm_open (const char *, int, mode_t);
int shm_unlink (const char *);
-#ifdef _LARGEFILE64_SOURCE
+#if defined(_LARGEFILE64_SOURCE) || defined(_GNU_SOURCE)
#define mmap64 mmap
#define off64_t off_t
#endif