GHC doc build broken by sphinx 7
Summary
Building the GHC documentation fails with
Theme error:
An error happened in rendering the page 9.0.1-notes.
Reason: UndefinedError("'style' is undefined")
After upgrading to sphinx 7.2.6.
Steps to reproduce
Build GHC with sphinx 7.2.6, e.g. by building any ghc* (non Binary ofc) attribute under haskell.compiler on nixpkgs 6515b811b82a83f551988dd25ec6ef587fa93ef0.
Example logs:
Expected behavior
Build succeeds.
Environment
- GHC version used: 9.0.2, 9.4.7
Optional:
- Operating System: NixOS
- System Architecture: x86_64-linux, aarch64-darwin
Edited by sterni