Causes syntax errors
--- a/configure.ac.orig	2020-09-05 14:00:54.791998554 +0200
+++ b/configure.ac	2020-09-05 14:01:05.775148998 +0200
@@ -26,8 +26,6 @@
 GRILO_MIN_VERSION=0.3.0
 ZAPOJIT_MIN_VERSION=0.0.2
 
-AX_CHECK_ENABLE_DEBUG([yes],[GNOME_ENABLE_DEBUG])
-
 LT_INIT
 
 PKG_CHECK_MODULES(GLIB, [glib-2.0 >= $GLIB_MIN_VERSION])