D26223: Explictly state which X11 components are required

[David Edmundson]

davidedmundson created this revision.
davidedmundson added a reviewer: Plasma.
Herald added a project: Plasma.
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davidedmundson requested review of this revision.

REVISION SUMMARY
  Otherwise we can find X11 without the required xf86vmode and fail at
  link time instead of configure time.
  
  Current CI output:
  
  [2019-12-25T21:45:30.854Z] CMake Error: The following variables are used in this project, but they are set to NOTFOUND.
  [2019-12-25T21:45:30.854Z] Please set them or make sure they are set and tested correctly in the CMake files:
  [2019-12-25T21:45:30.854Z] X11_Xxf86vm_LIB (ADVANCED)
  [2019-12-25T21:45:30.854Z] linked by target "kcm_kgamma" in directory /home/jenkins/workspace/Plasma/kgamma5/stable-kf5-qt5 SUSEQt5.12/kcmkgamma
  [2019-12-25T21:45:30.854Z]
  [2019-12-25T21:45:30.854Z] -- Configuring incomplete, errors occurred!

TEST PLAN
  Configured
  Added a deliberate typo to my required X11 lines
  Configure failed

REPOSITORY
  R100 KGamma

BRANCH
  master

REVISION DETAIL
  https://phabricator.kde.org/D26223

AFFECTED FILES
  CMakeLists.txt

To: davidedmundson, #plasma
Cc: plasma-devel, LeGast00n, The-Feren-OS-Dev, jraleigh, zachus, fbampaloukas, GB_2, ragreen, ZrenBot, ngraham, alexeymin, himcesjf, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, ahiemstra, mart
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