D23552: ECM: remove set_package_properties from FindCanberra

[David Faure]

dfaure created this revision.
dfaure added reviewers: cgiboudeaux, sitter.
Herald added projects: Frameworks, Build System.
dfaure requested review of this revision.

REVISION SUMMARY
  The user of this find module has to do it, so that they can specify the
  purpose of using canberra in their application. We can't do it twice,
  it leads to
  
  - Warning: Property DESCRIPTION for package Canberra already set to "Event sound library", overriding it with "Library for generating event sounds"
  
  The documentation for FeatureSummary always does find_package
  and then set_package_properties, i.e. it was never meant for the
  finder to do this.

TEST PLAN
  knotifications no longer warns

REPOSITORY
  R240 Extra CMake Modules

BRANCH
  master

REVISION DETAIL
  https://phabricator.kde.org/D23552

AFFECTED FILES
  find-modules/FindCanberra.cmake

To: dfaure, cgiboudeaux, sitter
Cc: kde-buildsystem, kde-frameworks-devel, apol, aacid, LeGast00n, GB_2, bencreasy, michaelh, ngraham, bruns
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