There's a closed pull request on the void-packages repository

adwaita-icon-theme: remove gtk-update-icon-cache makedep
https://github.com/void-linux/void-packages/pull/48858

Description:
Fix build cycle described in the form of cmake -> qt6 -> gtk+3 -> adwaita-icon-theme -> gtk4 -> ... -> fftw -> cmake

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#### Testing the changes
- I tested the changes in this PR: **briefly**

cc: @sgn 

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