b4n commented on this pull request.
@@ -1,9 +1,9 @@
AC_DEFUN([GP_CHECK_DEBUGGER], [ GP_ARG_DISABLE([Debugger], [auto]) - GP_CHECK_PLUGIN_GTK2_ONLY([Debugger]) + GP_CHECK_PLUGIN_GTK3_ONLY([Debugger])
I didn't check how hard it'd be to support both GTK2 and GTK3, but it seems a little sad to switch from one restriction to the other. Well, I guess it becomes less and less mandatory to support GTK2, but still.