coot/multiple package (ghc-head)

[coot]

The PRs #1277 and #1379 rebased onto ghc-head branch.

[coot]

I wasn't able to test it locally, because it does not build for me. I am getting various type errors due to changes in ghc package.

I am getting type errors due to changes in ghc package.

[Kleidukos]

@coot To test locally, you have to apply this patch to the haddock submodule in the GHC tree and run the tests. If you have issues with GHC master branch, please contact the GHC dev team. :)

[coot]

I mean, something a bit different. To compile exe:haddock and verify that the changes work as intended. I wasn't able to build it with ghc-head (installed with ghcup, so quite like the CI does).

[Kleidukos]

@coot Can you uninstall ghc 9.2 and reinstall it like this?

$ ghcup install ghc -u "https://gitlab.haskell.org/api/v4/projects/1/jobs/artifacts/ghc-9.2/raw/ghc-x86_64-fedora27-linux.tar.xz?job=validate-x86_64-linux-fedora27" 9.2 

[coot]

With ghc-9.2 I am getting:

cabal build -w ghc-9.2 exe:haddock
Warning: Unknown/unsupported 'ghc' version detected (Cabal 3.4.0.0 supports
'ghc' version < 9.1): /home/coot/.ghcup/bin/ghc-9.2 is version 9.2.0.20210805
Resolving dependencies...
cabal: Could not resolve dependencies:
[__0] trying: haddock-api-2.24.0 (user goal)
[__1] next goal: ghc (dependency of haddock-api)
[__1] rejecting: ghc-9.2.0.20210805/installed-9.2.0.20210805 (conflict:
haddock-api => ghc^>=9.3)

I got slightly further with ghc-head (installed through ghcup):

cabal build --disable-documentation -w ghc-head --with-ghc-pkg ghc-pkg-head exe:haddock
Build profile: -w ghc-9.3.20210805 -O1
In order, the following will be built (use -v for more details):
 - haddock-api-2.24.0 (lib) (first run)
 - haddock-2.24.0 (exe:haddock) (first run)
Preprocessing library for haddock-api-2.24.0..
Building library for haddock-api-2.24.0..
[12 of 40] Compiling Haddock.GhcUtils ( src/Haddock/GhcUtils.hs, /home/coot/repos/ghc/utils/haddock/dist-newstyle/build/x86_64-linux/ghc-9.3.20210805/haddock-api-2.24.0/build/Had
dock/GhcUtils.o, /home/coot/repos/ghc/utils/haddock/dist-newstyle/build/x86_64-linux/ghc-9.3.20210805/haddock-api-2.24.0/build/Haddock/GhcUtils.dyn_o )

src/Haddock/GhcUtils.hs:184:61: error:
    • Couldn't match type ‘IsUnicodeSyntax’
                     with ‘GenLocated EpAnnCO (HsUniToken "->" "\8594")’
      Expected: LHsUniToken "->" "\8594" DocNameI
        Actual: IsUnicodeSyntax
    • In the first argument of ‘HsUnrestrictedArrow’, namely
        ‘NormalSyntax’
      In the second argument of ‘HsFunTy’, namely
        ‘(HsUnrestrictedArrow NormalSyntax)’
      In the first argument of ‘noLocA’, namely
        ‘(HsFunTy noAnn (HsUnrestrictedArrow NormalSyntax) a b)’
    |
184 |    mkFunTy a b = noLocA (HsFunTy noAnn (HsUnrestrictedArrow NormalSyntax) a b)
    |                                                             ^^^^^^^^^^^^

[coot]

@Kleidukos I rebased on a more recent version of ghc-head, and now I was able to verify that things work as expected.

[Kleidukos]

Thank you for your patience!