有人可以帮助我吗?!我在 C9 工作区的大学 Haskell Yesod 网站上工作,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,会出现以下可悲的错误消息:
$ 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,我尝试了很多方法来修复它,但没有任何效果 =S