[Haskell-cafe] Cross-compiling GHC

Jan von Löwenstein jan.loewenstein at gmail.com
Tue Apr 18 18:46:36 UTC 2017

I will definitely look at nix and cabal new-build. My current setup works
but makes me ship insanely oversized tarballs...

The project is a bosh-release (https://bosh.io), more precisely a cloud
provider interface for Kubernetes (
https://github.com/sap/bosh-kubernetes-cpi-release). In order to have
offline compilation with stack I currently have to package GHC thrice
(darwin, linux and old-linux (centos)) plus half of stackage for my

Offline compilation is probably what will not make `nix-shell -p
particularly simple. Or will it still?


David Johnson <djohnson.m at gmail.com> schrieb am Mo., 17. Apr. 2017 um
23:22 Uhr:

> One (simple?) solution is to use the Nix package manager. Integer-simple
> GHCs were recently added (available on both Darwin and Linux afaik). After
> downloading the nix package manager, simply run:
> *nix-shell -p haskell.compiler.integer-simple.ghc802*
> The above command will put you into a shell with an integer-simple
> GHC-8.0.2
> For more info on nix and haskell, this is a good guide:
> https://github.com/Gabriel439/haskell-nix
> Along with what is mentioned in the nixpkgs manual.
> http://nixos.org/nixpkgs/manual/#users-guide-to-the-haskell-infrastructure
> - David
> On Mon, Apr 17, 2017 at 7:56 AM, Jan von Löwenstein <
> jan.loewenstein at gmail.com> wrote:
>> Hi,
>> I would like to have an integer-simple GHC for Mac and Linux. As there is
>> no official download for that I should probably build it myself.
>> My CI server is running Linux containers though.
>> When https://ghc.haskell.org/trac/ghc/wiki/Building/CrossCompiling says
>> "build must equal host", does that mean I cannot produce a mac ghc with
>> Linux ci server? How do others produce ghc for mac or Windows?
>> Best
>> Jan
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