Re: Automating Windows setup for development

We have a case at work when we have to add GHC mingw to PATH. I don't know if it's ghc related or cabal. For instance, We can't build cabal-install with a ld more recent than GHC mingw one. We tried with ld version 2.4. GHC 7.8.2 use a version like 2.2. Build ends with: "Setup.exe: command not found" whereas Setup.exe is located in current directory When we add GHC mingw to PATH, everything is working properly Regards, Yorick On 04/22/2014 04:08 PM, Simon Marlow wrote:

This reminds me: the instructions shouldn't be recommending that people add GHC's own mingw tools to their PATH. The build should work without that, and indeed we want to know if the build is using gcc from PATH because that's a bug (and could cause real problems).

Cheers, Simon

On 22/04/2014 02:12, Austin Seipp wrote:

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This is really cool, thanks!

If you wouldn't mind, perhaps that page should be updated (the MSYS2 page) to point to your Powershell script. That would be really useful and make it much easier to find for people who don't follow the mailing list.

On Mon, Apr 21, 2014 at 8:03 PM, Niklas Larsson wrote:

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Hi!

I have made a Powershell script that sets up a GHC build environment on Windows from scratch. It's at https://github.com/melted/getghc. It largely follows the instructions at https://ghc.haskell.org/trac/ghc/wiki/Building/Preparation/Windows/MSYS2. It has no dependencies aside from Powershell 3.0.

The reason I made it was to make it easier to set up a build bot on a clean machine. But it's probably generally useful for people who want to develop GHC on Windows.

Usage: - Put the script in an empty directory - Run it - Hope for the best

Potential problems: - If Python 2.7 is already installed and not on the path, the script wont install it, and msys wont pick up the path. Solution: Add the path to python in the control panel. - Powershell wont run unsigned scripts by default. The error message will give a hint how to disable that. I will add a signed version as soon as I can figure out how.

Niklas

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