当我尝试安装hlint时，收到关于old-time-1.1.0.3的错误 [英] When I try to install hlint I get errors surrounding old-time-1.1.0.3

问题描述

我首先尝试安装Hlint. cabal install hlint，但随后出现错误:

I first tried to install Hlint. cabal install hlint but then I got the error:

cabal: Error: some packages failed to install:
cpphs-1.20.2 depends on old-time-1.1.0.3 which failed to install.
haskell-src-exts-1.18.2 depends on old-time-1.1.0.3 which failed to install.
hlint-1.9.37 depends on old-time-1.1.0.3 which failed to install.
old-time-1.1.0.3 failed during the configure step. The exception was:
ExitFailure 77

然后我尝试安装ghc-mod，因为我读到hlint是该package(?)的依赖项.认为这可能会解决问题.所以我做了cabal install ghc-mod这给了我错误.

Then I tried to install ghc-mod since I read that hlint is a dependency of that package(?). Thinking that it might resolve the problem. So i did cabal install ghc-mod which gave me the error.

cabal: Error: some packages failed to install:
cpphs-1.20.2 depends on old-time-1.1.0.3 which failed to install.
ghc-mod-5.6.0.0 depends on old-time-1.1.0.3 which failed to install.
haskell-src-exts-1.17.1 depends on old-time-1.1.0.3 which failed to install.
hlint-1.9.35 depends on old-time-1.1.0.3 which failed to install.
old-time-1.1.0.3 failed during the configure step. The exception was:
ExitFailure 77

所以在我的包裹old-time-1.1.0.3周围似乎是同样的问题.

So it seems to be the same problem, around my the package old-time-1.1.0.3.

推荐答案

了解失败之处的最佳方法是浏览每个失败的软件包，然后一个接一个地安装它们.

The best way to know where it fails is to go through each failed package and install them one after the other.

我遇到了haskell-src-exts的问题，该问题出现在hlint中，当我尝试cabal install haskell-src-exts时，没有正确安装happy.

I had issue with haskell-src-exts in which showed up in hlint and when I tried to cabal install haskell-src-exts it was happythat wasn't properly installed.

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