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>
Note the following bigger things that had to be done:
Handle GSS library / feature with a new custom find module.
Implement rudimentary support for relocatability (does not currently
handle extprefix).
Change-Id: Ic6cd27dda7ebca9829f51cb42ea76fff6d1767ef
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>