linux – Haskell Yesod问题

发布时间：2020-12-14 00:54:22 所属栏目：Linux 来源：网络整理

导读：有人可以帮我吗？！我在 Haskell Yesod网站上工作,在C9工作区上大学,我已经通过命令Yesod安装并更新了cabal,但是当我尝试“stack build”命令时,会出现这个可怜的错误消息： $stack buildaulahaskell-0.0.0: build (lib + exe)Preprocessing library aulahas

有人可以帮我吗？！我在 Haskell Yesod网站上工作,在C9工作区上大学,我已经通过命令Yesod安装并更新了cabal,但是当我尝试“stack build”命令时,会出现这个可怜的错误消息：

$stack build

aulahaskell-0.0.0: build (lib + exe)
Preprocessing library aulahaskell-0.0.0...
[ 7 of 13] Compiling Handler.Cliente  ( src/Handler/Cliente.hs,.stack-work/dist/x86_64-linux/Cabal-1.24.2.0/build/Handler/Cliente.o )

/home/ubuntu/workspace/web2017/src/Handler/Cliente.hs:10:1: error:
    Failed to load interface for ‘Network.HTTP.Types.Status’
    It is a member of the hidden package ‘http-types-0.9.1’.
    Perhaps you need to add ‘http-types’ to the build-depends in your .cabal file.
    Use -v to see a list of the files searched for.

--  While building package aulahaskell-0.0.0 using:
      /home/ubuntu/.stack/setup-exe-cache/x86_64-linux/Cabal-simple_mPHDZzAJ_1.24.2.0_ghc-8.0.2 --builddir=.stack-work/dist/x86_64-linux/Cabal-1.24.2.0 build lib:aulahaskell exe:aulahaskell --ghc-options " -ddump-hi -ddump-to-file"
    Process exited with code: ExitFailure 1

说真的,我尝试了很多东西来解决它,但没有任何工作= S.

解决方法

只需仔细阅读错误消息：

Failed to load interface for ‘Network.HTTP.Types.Status’
It is a member of the hidden package ‘http-types-0.9.1’.
Perhaps you need to add ‘http-types’ to the build-depends in your .cabal file.
Use -v to see a list of the files searched for.

该行或许您需要在构建中添加“http-types” – 依赖于.cabal文件,告诉您该怎么做：您必须将http-types添加到cabal文件库aulahaskell的build-depends：部分.

如果这没有帮助,请发布您的cabal文件.

（编辑：李大同）

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