проблема с установкой yesod

459
Ramy

я установил ghc и cabal на мою машину Centos 6. оба, кажется, в рабочем состоянии.

но когда я пытаюсь установить Yesod с Cabal, я получаю это:

[root@localhost yesod]# cabal install yesod Resolving dependencies... cabal: cannot configure conduit-0.2.1. It requires base >=4.3 && <5 For the dependency on base >=4.3 && <5 there are these packages: base-4.3.0.0, base-4.3.1.0, base-4.4.0.0, base-4.4.1.0 and base-4.5.0.0. However none of them are available. base-4.3.0.0 was excluded because yesod-auth-0.8.1.1 requires base >=4 && <4.3 base-4.3.0.0 was excluded because yesod-core-0.10.1 requires base >=4 && <4.3 base-4.3.0.0 was excluded because yesod-0.10.1 requires base >=4 && <4.3 base-4.3.0.0 was excluded because of the top level dependency base -any base-4.3.1.0 was excluded because yesod-auth-0.8.1.1 requires base >=4 && <4.3 base-4.3.1.0 was excluded because yesod-core-0.10.1 requires base >=4 && <4.3 base-4.3.1.0 was excluded because yesod-0.10.1 requires base >=4 && <4.3 base-4.3.1.0 was excluded because of the top level dependency base -any base-4.4.0.0 was excluded because yesod-auth-0.8.1.1 requires base >=4 && <4.3 base-4.4.0.0 was excluded because yesod-core-0.10.1 requires base >=4 && <4.3 base-4.4.0.0 was excluded because yesod-0.10.1 requires base >=4 && <4.3 base-4.4.0.0 was excluded because of the top level dependency base -any base-4.4.1.0 was excluded because yesod-auth-0.8.1.1 requires base >=4 && <4.3 base-4.4.1.0 was excluded because yesod-core-0.10.1 requires base >=4 && <4.3 base-4.4.1.0 was excluded because yesod-0.10.1 requires base >=4 && <4.3 base-4.4.1.0 was excluded because of the top level dependency base -any base-4.5.0.0 was excluded because yesod-auth-0.8.1.1 requires base >=4 && <4.3 base-4.5.0.0 was excluded because yesod-core-0.10.1 requires base >=4 && <4.3 base-4.5.0.0 was excluded because yesod-0.10.1 requires base >=4 && <4.3 base-4.5.0.0 was excluded because of the top level dependency base -any

ОБНОВЛЕНИЕ: только что попытался установить платформу haskell, чтобы посмотреть, решит ли это то, что кажется проблемой зависимости, но не повезло. Я получаю ту же ошибку при запускеcabal install Cabal cabal-install yesod

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