在 Mac 上使用 ghcup 和 cabal 进行 ghc 编译时遇到问题（在路径中找不到已安装的软件包）

发布于 2025-01-14 04:40:20 字数 1405 浏览 6 评论 0原文

我在编译我的 Hakyll 站点时遇到问题（我知道它可以编译；问题是 ghc 找不到我通过 cabal 安装的模块（并且最近通过 ghcup 干净地安装了这两个模块）。我使用的是新的 M1我猜测 MacBook Pro 是导致此问题的原因。

ghc --make site.hs 上的错误：无法找到模块“Hakyll” ，同样的情况。 Pandoc 和其他模块。

更多信息：

我通过 ghcup 安装了 ghc 和 cabal，可以在 /Users/isaac/.ghcup/bin/ghc 和 /Users/isaac/ 中找到。 Hakyll 模块位于 ~/.cabal/packages/hackage.haskell.org 中。

Pandoc和 -v 给我以下内容：

isaac@machine notes % ghc -v
Glasgow Haskell Compiler, Version 8.10.7, stage 2 booted by GHC version 8.10.3
*** initializing package database:
Using binary package database: /Users/isaac/.ghcup/ghc/8.10.7/lib/ghc-8.10.7/package.conf.d/package.cache
package flags []
loading package database /Users/isaac/.ghcup/ghc/8.10.7/lib/ghc-8.10.7/package.conf.d
wired-in package ghc-prim mapped to ghc-prim-0.6.1
wired-in package integer-wired-in mapped to integer-gmp-1.0.3.0
wired-in package base mapped to base-4.14.3.0
wired-in package rts mapped to rts
wired-in package template-haskell mapped to template-haskell-2.16.0.0
wired-in package ghc mapped to ghc-8.10.7
!!! initializing package database: finished in 9.01 milliseconds, allocated 8.229 megabytes
*** Deleting temp files:
Deleting:
*** Deleting temp dirs:
Deleting:
ghc: no input files
Usage: For basic information, try the `--help' option.```

原文

I'm having trouble compiling my Hakyll site (I know it compiles; the issues is ghc can't find modules that I've installed via cabal (and both of these cleanly installed recently via ghcup). I'm on a new M1 MacBook Pro which I'm guessing is contributing to this problem.

The error upon ghc --make site.hs: Could not find module ‘Hakyll’ and the same for Pandoc and other modules.

More info:

I've installed ghc and cabal via ghcup, which are found at /Users/isaac/.ghcup/bin/ghc and /Users/isaac/.ghcup/bin/cabal. The Pandoc and Hakyll modules are found in ~/.cabal/packages/hackage.haskell.org.

ghc -v gives me the following:

isaac@machine notes % ghc -v
Glasgow Haskell Compiler, Version 8.10.7, stage 2 booted by GHC version 8.10.3
*** initializing package database:
Using binary package database: /Users/isaac/.ghcup/ghc/8.10.7/lib/ghc-8.10.7/package.conf.d/package.cache
package flags []
loading package database /Users/isaac/.ghcup/ghc/8.10.7/lib/ghc-8.10.7/package.conf.d
wired-in package ghc-prim mapped to ghc-prim-0.6.1
wired-in package integer-wired-in mapped to integer-gmp-1.0.3.0
wired-in package base mapped to base-4.14.3.0
wired-in package rts mapped to rts
wired-in package template-haskell mapped to template-haskell-2.16.0.0
wired-in package ghc mapped to ghc-8.10.7
!!! initializing package database: finished in 9.01 milliseconds, allocated 8.229 megabytes
*** Deleting temp files:
Deleting:
*** Deleting temp dirs:
Deleting:
ghc: no input files
Usage: For basic information, try the `--help' option.```

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