1 files changed, 6 insertions, 5 deletions
diff --git a/src/sys/mman/mmap.c b/src/sys/mman/mmap.c
index e0e2998a..fb56eb46 100644
--- a/src/sys/mman/mmap.c
+++ b/src/sys/mman/mmap.c
@@ -1,11 +1,12 @@
-#include "sys/types.h"
+#if ((!defined _POSIX_C_SOURCE) || (_POSIX_C_SOURCE < 199309L))
+#undef _POSIX_C_SOURCE
+#define _POSIX_C_SOURCE 199309L
+#endif
+
+#include <sys/types.h>
 #include <sys/mman.h>
 #include "_syscall.h"
 
-#ifndef MAP_FAILED
-#include "MAP_FAILED.c"
-#endif
-
 void *mmap(void *addr, size_t len, int prot, int flags, int fildes, off_t off)
 {
 	SYSCALL(mmap, void*, MAP_FAILED, addr, len, prot, flags, fildes, off);