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Document how to use GHCup's msys2 with stack, fixes #1040

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Julian Ospald 2024-04-23 19:40:56 +08:00
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@ -322,8 +322,24 @@ Stack metadata doesn't have a concept of those and we don't try to be smart when
### Windows
On windows, you may find the following config options useful too:
`skip-msys`, `extra-path`, `extra-include-dirs`, `extra-lib-dirs`.
#### Using GHCup's MSYS2 installation
Stack usually maintains its own msys2 installation. However, you can instruct it to use GHCup's MSYS2 or any other. E.g. if you
had GHCup install msys2 into `C:\ghcup\msys64\`, then you would add the following config to stack's `config.yaml`
(you can find its location via `stack path --stack-root`):
```yaml
skip-msys: true
extra-lib-dirs:
- C:\ghcup\msys64\mingw64\lib
- C:\ghcup\msys64\mingw64\bin
extra-path:
- C:\ghcup\msys64\mingw64\bin
- C:\ghcup\msys64\usr\bin
- C:\ghcup\msys64\usr\local\bin
extra-include-dirs:
- C:\ghcup\msys64\mingw64\include
```
Also check out: [https://docs.haskellstack.org/en/stable/yaml_configuration](https://docs.haskellstack.org/en/stable/yaml_configuration)