Re: pkgconfig multiarch installation woes

[Andrius Merkys <merkys@debian.org>]

Hi Shriram,

On 2023-11-18 10:26, Shriram Ravindranathan wrote:
> I am packaging magic_enum, a header-only C++ library which uses CMake 
> with GNUInstallDirs. AFAIK the package should be arch-independent as 
> there is no architecture dependent code in it.

[...]

> W: libmagicenum-dev: pkg-config-unavailable-for-cross-compilation [usr/lib/pkgconfig/magic_enum.pc]
> N:
> N:   The specified pkg-config(1) file is installed to /usr/lib/pkgconfig. As the cross-compilation wrapper of pkg-config does not search this directory
> N:   the file is unavailable under cross-compilation.
> N:
> N:   Please install the file to /usr/lib/${DEB_HOST_MULTIARCH}/pkgconfig instead.
> N:
> N:   For projects that use GNU Autotools, a simple method is moving to a debhelper compat level of 9 or higher. In the rare case that this file is
> N:   architecture independent it can be installed to /usr/share/pkgconfig instead.
> N:
> N:   Visibility: warning
> N:   Show-Always: no
> N:   Check: files/pkgconfig

This lintian warning suggests installing architecture independent 
pkg-config files under /usr/share/pkgconfig, have you tried doing so?

Hope this helps,
Andrius