Martin Lueders requested to merge 717-post-release-tasks into main Feb 05, 2024

Description

Libxc 4.* has been marked as deprecated in version 13.0 and will now be removed. This affects the code, as well as the autotools and cmake macros.

News snippet

Remove libxc4 support.

Checklist

I have checked that my code follows the Octopus coding standards
I have added tests for all the new features added in this request.

Closes #717 (closed)