--- a/config.h.in	Sun Apr 04 16:40:20 2010 +0300
+++ b/config.h.in	Wed Apr 07 21:00:17 2010 +0300
@@ -4,6 +4,15 @@
 
 #cmakedefine HAVE_LM_CONNECTION_UNREGISTER_REPLY_HANDLER
 
+#include <mcabber/config.h>
+
+#if MCABBER_BRANCH_EXPERIMENTAL && MCABBER_API_VERSION >= 23
+#  define HAVE_CMD_ID
+#  if MCABBER_API_VERSION >= 24
+#    define HAVE_CMD_SAFE
+#  endif
+#endif
+
 #define PROJECT_VERSION ( "${PROJECT_VERSION}" )
 
 #endif