Bug#1124748: ghc: not binNMU safe on armhf?

[John Paul Adrian Glaubitz]

Control: tags -1 +patch

Hi,

On Tue, 2026-01-06 at 10:28 +0000, Gianfranco Costamagna wrote:
> Hello, a binNMU on armhf shows that ghc can't build itself anymore...
> 
> checking for sh... /usr/bin/sh
> This GHC (/usr/bin/ghc) does not generate code for the build platform
>    GHC target platform    : armv7-unknown-linux
>    Desired build platform : arm-unknown-linux
>         tail -v -n \+0 config.log
> ==> config.log <==
> This file contains any messages produced by compilers while
> 
> 
> attached a log from amdahl

The attached patch fixes the problem for me. It's not an ideal solution as it
hardwires 32-bit ARM targets to armv7, but it should give us a rough idea what
the underlying problem is.

Adrian

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