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Support building with GHC 9.4 #1499

Merged
merged 4 commits into from
Feb 27, 2023
Merged

Support building with GHC 9.4 #1499

merged 4 commits into from
Feb 27, 2023

Commits on Feb 13, 2023

  1. Support building with GHC 9.4 

    This contains a varity of changes needed to make the libraries in the `cryptol`
repo compile with GHC 9.4:

* GHC 9.4 is pickier about requiring the use of the `FlexibleContexts`
  extension, that is now enabled in more places.
* I bumped the upper version bounds of various dependencies to allow them to
  build with GHC 9.4.

Fixes #1487.
    @RyanGlScott
    RyanGlScott committed Feb 13, 2023
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  2. Fix -Wtype-equality-requires-operators warnings 

    GHC 9.4 adds `-Wtype-equality-requires-operators` to `-Wall`, which warns about
certain uses of type equalities that are not forward-compatible with planned
changes in GHC. See [this
section](https://gitlab.haskell.org/ghc/ghc/-/wikis/migration/9.4?version_id=b60e52482a666d25638d59cd7e86851ddf971dc1#-is-now-a-type-operator)
of the GHC 9.4 Migration Guide. These warnings are easily fixed by enabling the
`TypeOperators` extension.
    @RyanGlScott
    RyanGlScott committed Feb 13, 2023
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  3. Regenerate cabal.GHC-*.config files

    @RyanGlScott
    RyanGlScott committed Feb 13, 2023
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  4. CI: Test GHC 9.4.4, drop 9.0.2

    @RyanGlScott
    RyanGlScott committed Feb 13, 2023
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