1 files changed, 3 insertions, 1 deletions
diff --git a/jim-tty.c b/jim-tty.c
index 5d9cee7..6fbb346 100644
--- a/jim-tty.c
+++ b/jim-tty.c
@@ -6,7 +6,9 @@
  */
 
 /* termios support is required */
-
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
+#endif
 #include <jim-tty.h>
 #include <termios.h>