forked from qt-creator/qt-creator
we must not add the llvm libdir if it's a system path. this was already done in some places, but not in others. while we're at it, re-shuffle some pre-existing conditionals to make things consistent. Task-number: QTCREATORBUG-20178 Change-Id: Ib7e5a81705494e4cf2f83a4782ecd0832b91e511 Reviewed-by: Marco Bubke <marco.bubke@qt.io> Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@qt.io>