Weird NonEmpty error building with GHC 9.2.1

[locallycompact]

I'm using an out of tree relude from here kowainik/relude#387 for ghc 9.2.1 not sure where this error is coming from.

[16 of 16] Compiling Paths_polysemy_time ( dist/build/autogen/Paths_polysemy_time.hs, dist/build/Paths_polysemy_time.o, dist/b>

dist/build/autogen/Paths_polysemy_time.hs:66:22: error:
    • 'last' works with 'NonEmpty', not ordinary lists.
      Possible fix:
          Replace: [Char]
          With:    NonEmpty Char

      However, you can use 'last' with the ordinary lists.
      Apply 'viaNonEmpty' function from relude:
          viaNonEmpty last (yourList)
      Note, that this will return 'Maybe Char'
      therefore it is a safe function unlike 'last' from the standard Prelude
    • In the first argument of ‘isPathSeparator’, namely ‘(last dir)’
      In the expression: isPathSeparator (last dir)
      In a stmt of a pattern guard for
                     an equation for ‘joinFileName’:
        isPathSeparator (last dir)
   |
66 |   | isPathSeparator (last dir) = dir ++ fname
   |                      ^^^^

[aveltras]

I encounter the same error with ghc 8.10.7 using stackage lts 18.21.

[tek]

if I recall correctly, this was a temporary bug in cabal, fixed by haskell/cabal#7650

[tek]

@locallycompact could you resolve this?

[tek]

@locallycompact @aveltras this issue should be fixed in the newest versions of all my packages!