D8173: Use readelf to find project dependencies

[Albert Astals Cid]

aacid accepted this revision.
This revision is now accepted and ready to land.

REPOSITORY
  R240 Extra CMake Modules

BRANCH
  arcpatch-D8173_2

REVISION DETAIL
  https://phabricator.kde.org/D8173

To: apol, #frameworks, #build_system, aacid
Cc: mart