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-rw-r--r--cpukit/libmisc/shell/main_date.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/cpukit/libmisc/shell/main_date.c b/cpukit/libmisc/shell/main_date.c
index 6070ff065f..f93e5df016 100644
--- a/cpukit/libmisc/shell/main_date.c
+++ b/cpukit/libmisc/shell/main_date.c
@@ -12,11 +12,12 @@
* http://www.rtems.org/license/LICENSE.
*/
+#define _XOPEN_SOURCE
+
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
-#define _GNU_SOURCE
#include <stdio.h>
#include <unistd.h>
#include <string.h>