--- config.h.in.orig	2012-05-15 20:07:21.000000000 +0200
+++ config.h.in	2014-01-17 19:49:23.000000000 +0100
@@ -51,6 +51,9 @@
 /* Define to 1 if gphoto2 is available */
 #undef HAVE_GPHOTO2
 
+/* define to 1 if gphoto2.5 is available */
+#undef HAVE_GPHOTO25
+
 /* Define to 1 if you have the `grantpt' function. */
 #undef HAVE_GRANTPT