Build: Removed redundant code from Makefile.in.
The assignment of CONFIG_HEADERS is now done by make_variables.
Merge commit '722771973bd' into patches/lyslyskom22891031
* commit '722771973bd': (6177 commits)
Verify that callablep responses are aligned with reality.
Merge remote-tracking branch 'origin/8.1' into gobject-introspection
Debug: Converted to a cmod.
Start moving debug code to the Debug module.