PRs ready for review _

A few month+ old PRs:

I adds the necessary install_name_tool commands to ensure the mathematical gem can be properly built and used on macOS systems.

Seeking review of anyone has a moment to spare please.

This tiny little build fix for the cups-bjnp printer driver has been languishing for a while:

This PR brings us closer to using overrideAttrs (instead of overridePythonAttrs) to override Python packages.

This PR cleans up the attributes which have become obsolete after the removal of setuptoolsCheckHook.

Would be cool if someone with write access can review and merge, thanks!

A few month+ old PRs:

Make NixOS build again on systems that use fprint-tod: