This reduces the amount of warning messages when the pkg-config
feature is disabled.
Task-number: QTBUG-85276
Change-Id: I11a6dfb6273a1e48c47d1ef5c1a5f70ba990fbc0
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
Use FindGLIB2 from cmake-extra-modules over hand-rolled own version.
Change-Id: I1f8e055bc12dd728c033fd88480690643d90159a
Reviewed-by: Frederik Gladhorn <frederik.gladhorn@qt.io>