[Haskell-cafe] Desktop GUI in Haskell

[jack at jackkelly.name]

February 28, 2021 6:15 PM, coot at coot.me wrote:

> In particular you can install pkg-config with `choco install pgkconfiglite` using chocolatey
> package manager.

I believe chocolatey can also install msys, and has support for telling cabal-install about it.

If you haven't installed anything with chocolatey before, `choco install haskell-dev` should get you a GHC and MSYS, which should get you `pkg-config`.

If you've installed cabal before msys, you will need to force a reinstall (so that it detects msys and configures itself accordingly). After installing msys (either directly or via `choco install haskell-dev`), run `choco install cabal -y --reinstall`.

HTH,

-- Jack

> -------- Original Message --------
> On 28 Feb 2021, 08:34, Henning Thielemann wrote:
> 
>> On Sat, 27 Feb 2021, A. Mc. wrote:
>> 
>>> I'm attempting to use GTK+3 to create a Desktop, but I am having a problem installing all of the
>> dependencies. I keep getting the
>>> following error:
>>> GUI cabal: version >=0.9.0 of pkg-config is required
>> 
>> I understand this error message as: You need to install pkg-config first.
>> pkg-config is the tool that manages path and versions of installed C
>> libraries and Cabal uses it to query existence and compiler flags of
>> installed C libraries.
>> 
>>> I am using Cygwin on a Windows 10 operating system. What is needed to
>>> fix this? Is this the best way to do a desktop GUI in Haskell?
>> 
>> On Windows I used MSYS2 and this helped a lot to install components like
>> pkg-config and other C libraries plus their
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