Cabal not updated after rebase?

[My Nguyen]

Hello,

Thanks for the suggestion. Unfortunately, the problem persists :(!

My

________________________________
From: Krzysztof Gogolewski <krz.gogolewski at gmail.com>
Sent: Monday, December 3, 2018 2:46 PM
To: My Nguyen
Cc: ghc-devs at haskell.org
Subject: Re: Cabal not updated after rebase?

Hi,

Does `git clean -fdx .` in libraries/Cabal help? git clean doesn't go into submodules.

-Krzysztof

On Mon, Dec 3, 2018 at 6:09 PM My Nguyen <mnguyen1 at brynmawr.edu<mailto:mnguyen1 at brynmawr.edu>> wrote:
Hi all,


I've finished quite a big rebase and was trying to rebuild, but it failed with:

ghc-cabal: Encountered missing dependencies:
Cabal ==2.5.*
I then tried applying my patch on a fresh checkout of GHC and found the reason:


libraries/Cabal/Cabal/Distribution/Compat/Prelude.hs:119:1:error:

   Bad interface file: libraries/Cabal/Cabal/dist-boot/build/Distribution/Compat/Binary.hi

       Something is amiss; requested module  Cabal-2.4.0.1:Distribution.Compat.Binary differs from name found in the interface file Cabal-2.5.0.0:Distribution.Compat.Binary (if these names look the same, try again with -dppr-debug)

   |

119 |import Distribution.Compat.Binary   (Binary (..))

   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^


libraries/Cabal/Cabal/Distribution/Compat/Prelude.hs:120:1:error:

   Bad interface file: libraries/Cabal/Cabal/dist-boot/build/Distribution/Compat/Semigroup.hi

       Something is amiss; requested module  Cabal-2.4.0.1:Distribution.Compat.Semigroup differs from name found in the interface file Cabal-2.5.0.0:Distribution.Compat.Semigroup (if these names look the same, try again with -dppr-debug)

   |

120 |import Distribution.Compat.Semigroup (Semigroup (..), gmappend, gmempty)

   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^


libraries/Cabal/Cabal/Distribution/Compat/Prelude.hs:141:1:error:

   Bad interface file: libraries/Cabal/Cabal/dist-boot/build/Distribution/Compat/Stack.hi

       Something is amiss; requested module  Cabal-2.4.0.1:Distribution.Compat.Stack differs from name found in the interface file Cabal-2.5.0.0:Distribution.Compat.Stack (if these names look the same, try again with -dppr-debug)

   |

141 |import Distribution.Compat.Stack

   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^


I'm sure I did `git module update`; I even `git clean` everything and  `make` from fresh but somehow the cabal still isn't updated. Can anyone help me on why this is happening and how to fix it?


Thanks so much,

My

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