cabal.out

# cabal check
Warning: The following warnings are likely to affect your build negatively:
Warning: Packages using 'cabal-version: >= 1.10' and before 'cabal-version: 3.4' must specify the 'default-language' field for each component (e.g. Haskell98 or Haskell2010). If a component uses different languages in different modules then list the other ones in the 'other-languages' field.
Warning: Hackage would reject this package.