1 files changed, 3 insertions, 0 deletions

diff --git a/src/config.in b/src/config.in
index 26e5f8f415c..8d85358254c 100644
--- a/src/config.in
+++ b/src/config.in
@@ -63,6 +63,9 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 /* Define if we have the X11R6 or newer version of Xlib.  */
 #undef HAVE_X11R6
 
+/* Define if we have the X11R5 or newer version of Xlib.  */
+#undef HAVE_X11R5
+
 /* Define if netdb.h declares h_errno.  */
 #undef HAVE_H_ERRNO