1 files changed, 3 insertions, 0 deletions

diff --git a/src/config.in b/src/config.in
index a1868073c64..165bafb4629 100644
--- a/src/config.in
+++ b/src/config.in
@@ -205,6 +205,9 @@ Boston, MA 02111-1307, USA.  */
 /* Define to 1 if you have the `grantpt' function. */
 #undef HAVE_GRANTPT
 
+/* Define to 1 if using GTK. */
+#undef HAVE_GTK
+
 /* Define to 1 if netdb.h declares h_errno. */
 #undef HAVE_H_ERRNO