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-rw-r--r--time/mktime.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/time/mktime.c b/time/mktime.c
index ab4c0ad..fda08a2 100644
--- a/time/mktime.c
+++ b/time/mktime.c
@@ -25,10 +25,14 @@
# include <config.h>
#endif
-/* Some systems need this in order to declare localtime_r properly. */
+/* Some systems require that one of these symbols be defined in
+ order to declare localtime_r properly. */
#ifndef __EXTENSIONS__
# define __EXTENSIONS__ 1
#endif
+#ifndef _POSIX_THREAD_SAFE_FUNCTIONS
+# define _POSIX_THREAD_SAFE_FUNCTIONS 1
+#endif
#ifdef _LIBC
# define HAVE_LIMITS_H 1