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Show correct libxc details when showing the cmake summary #90

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Show correct libxc details when showing the cmake summary #90

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hservatg
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@hservatg hservatg commented Sep 8, 2025

Hello,

this tiny patch shows correct details for libxc when using cmake. Previously, I got

-- Libxc found:
--   > Libxc dir          :
--   > Libxc version      :
--   > Libxc headers      :
--   > Libxc libraries    :

With the patch, I get

-- Libxc found:
--   > Libxc dir          : /scratch/users/hservatg/ABINIT.ifx/libxc-7.0.0/build/install
--   > Libxc version      : 7.0.0
--   > Libxc cflags       : -I/scratch/users/hservatg/ABINIT.ifx/libxc-7.0.0/build/install/include/
--   > Libxc ldflags      : -L/scratch/users/hservatg/ABINIT.ifx/libxc-7.0.0/build/install/lib;-lxc

Thanks

@pkestene
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pkestene commented Sep 8, 2025

Hi @hservatg

actually, correct details depend on how libxc is found on a given system:

  • if libxc is found via pkg_check_modules then yes your modifications are ok
  • if libxc is found via cmake find_package then the old message printing is ok

I would advise adding a cmake variable named Libxc_FOUND_via_pkgmodule defaulted to false, but set to TRUE when pkg_check_modules is successful so that you can distinguish the two different situations.

See https://github.com/abinit/abinit/blob/master/CMakeLists.txt#L489 where libxc is probed.

@hservatg
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hservatg commented Sep 8, 2025

Ah, that aligns with my cmake configuration command, @pkestene .

Let me extend the patch with your suggestion.

@hservatg hservatg marked this pull request as draft September 8, 2025 15:29
@hservatg hservatg marked this pull request as ready for review September 8, 2025 20:50
@hservatg
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@pkestene -- thoughts on this PR?

@pkestene
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hi @mtorrent would-you mind looking into this ?

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@hservatg @pkestene
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