Review Request 116598: Check versions for individual components of Wayland

[Aurélien Gâteau]

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https://git.reviewboard.kde.org/r/116598/
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Review request for Build System, Extra Cmake Modules, KDE Frameworks, and Martin Gräßlin.


Repository: extra-cmake-modules


Description
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First part of the diff makes sure find_package_handle_standard_args() gets a version number to check against.

Second part ensures we get proper results from pkg-config even if not all components are available. find_package(Wayland COMPONENTS Client Egl) was failing for me because I have Client installed but not Egl, causing pkg_check_modules() to not set any PKG_Wayland_${comp} variable.


Diffs
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  find-modules/FindWayland.cmake 21014fc 

Diff: https://git.reviewboard.kde.org/r/116598/diff/


Testing
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Together with a change for kde-workspace, it fixes the build of kde-workspace on my system with wayland-client 1.1 and no wayland-egl.


Thanks,

Aurélien Gâteau

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