[Pkg-cmake-team] Bug#1121850: cmake: Debian cross builds fail when using cmake_pkg_config

[Timo Röhling]

On Wed, 3 Dec 2025 15:28:52 +0100 Helmut Grohne <helmut at subdivi.de> 
wrote:

> The recommended way to properly discover this value is pkg-config 
> --variable=pc_path pkg-config, but this gives us the path for 
> pkg-config's architecture. It is where pkgconf stops being 
> Multi-Arch:foreign:

> $ bash -c 'exec -a aarch64-linux-gnu-pkgconf pkgconf 
> --variable=pc_path pkg-config'
> /usr/local/lib/x86_64-linux-gnu/pkgconfig:/usr/local/lib/pkgconfig:/usr/local/share/pkgconfig:/usr/lib/x86_64-linux-gnu/pkgconfig:/usr/lib/pkgconfig:/usr/share/pkgconfig

It looks like upstream has *almost* addressed this problem by 
refactoring the statically compiled virtual packages into something that 
could use the cross build personality (but does not yet):

https://github.com/pkgconf/pkgconf/commit/ef935a6349b82259513a1f0cc0cc3180f34a34f5


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⣾⠁⢠⠒⠀⣿⡁   │ Timo Röhling                                       │
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