When _XOPEN_SOURCE is defined, make sure it's defined to 500. Required in

http://www.opengroup.org/onlinepubs/007908799/xsh/compilation.html.

Notified by David Wolfe <dwolfe5272@yahoo.com>

crypto/rand/randfile.c

@@ -57,7 +57,7 @@
  */
 
 /* We need to define this to get macros like S_IFBLK and S_IFCHR */
-#define _XOPEN_SOURCE 1
+#define _XOPEN_SOURCE 500
 
 #include <errno.h>
 #include <stdio.h>

ssl/kssl.c

@@ -68,7 +68,7 @@
 
 #include <openssl/opensslconf.h>
 
-#define _XOPEN_SOURCE /* glibc2 needs this to declare strptime() */
+#define _XOPEN_SOURCE 500 /* glibc2 needs this to declare strptime() */
 #include <time.h>
 #undef _XOPEN_SOURCE /* To avoid clashes with anything else... */
 #include <string.h>

ssl/ssltest.c

@@ -128,7 +128,7 @@
 #define USE_SOCKETS
 #include "e_os.h"
 
-#define _XOPEN_SOURCE 1		/* Or isascii won't be declared properly on
+#define _XOPEN_SOURCE 500	/* Or isascii won't be declared properly on
 				   VMS (at least with DECompHP C).  */
 #include <ctype.h>