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:
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
<[email protected]> wrote:
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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