commercialhaskell / commercialhaskell/stack
Set $ACLOCAL_PATH in `stack exec` appropriately
Open
component: Windows
help wanted
type: bug
- Dominant language
- Haskell
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Description
As I found out in [this Phabricator thread](https://phabricator.haskell.org/D3918#114922), `stack exec [--no-ghc-package-path] bash` doesn't set [`$ACLOCAL_PATH`](https://www.gnu.org/software/automake/manual/html_node/Macro-Search-Path.html). I'm not sure why this is. When starting a regular mingw64 session or Git Bash (even `stack exec mintty` and choosing mingw64), the paths are set correctly.
### Steps to reproduce
1. `stack exec bash` on a Windows machine (AFAICT any stack config will do)
2. Realise that `ehco $ACLOCAL_PATH` is empty
```
$ stack --version
Version 1.5.1, Git revision 600c1f01435a10d127938709556c1682ecfd694e x86_64 hpack-0.17.1
```
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