D28360: cmake: make xsettingsd check an option

[Friedrich W. H. Kossebau]

kossebau added a comment.


  Sadly Cmake does not have separate "RUNTIME-OPTIONAL" & "RUNTIME-REQUIRED" so far. Previously that was solved by noting the required vs. optional in the purpose text, so the info still arrived with packagers.
  Just "REQUIRED" means, it is required for the build. Could be even a build-only requirement.
  
  So "RUNTIME" is the right type here, with the hint to be a required dependency done in the "PURPOSE" text:
  
    set_package_properties(XSettingsd PROPERTIES
        DESCRIPTION "XSettingsd daemon"
        TYPE RUNTIME
        PURPOSE "Required to have GTK Config kded module to apply settings to GTK applications on the fly"
    )

REPOSITORY
  R99 KDE Gtk Configuration Tool

REVISION DETAIL
  https://phabricator.kde.org/D28360

To: eszlari, gikari
Cc: rikmills, kossebau, ngraham, plasma-devel, Orage, LeGast00n, The-Feren-OS-Dev, cblack, jraleigh, zachus, fbampaloukas, GB_2, ragreen, ZrenBot, himcesjf, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, ahiemstra, mart
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