(O_NOFOLLOW): Define, if necessary.

diff --git a/lib/chdir-safer.c b/lib/chdir-safer.c
index e97b2fce6e03e8bd5653cec4944cb2210b243404..e77924fb165d470b7d4c29e28e7d43d9c0b7d8b6 100644 (file)
--- a/lib/chdir-safer.c
+++ b/lib/chdir-safer.c
@@ -34,6 +34,10 @@
 
 #include "fcntl--.h" /* for the open->open_safer mapping */
 
+#if !defined O_NOFOLLOW
+# define O_NOFOLLOW 0
+#endif
+
 /* Assuming we can use open-with-O_NOFOLLOW, open DIR and fchdir into it --
    but fail (setting errno to EACCES) if anyone replaces it with a symlink,
    or otherwise changes its type.  Return zero upon success.  */