bmwiedemann added a comment.
If you look at http://rb.zq1.de/compare.factory-20181121/plasma5-desktop-compare.out You can see that the asm diff between a -j1 and a -j4 build of openSUSE's plasma5-desktop package contains (among many others) -_ZN18SchemeEditorDialog18qt_static_metacallEP7QObjectN11QMetaObject4CallEiPPv.part.1: +_ZN19SchemeEditorEffects18qt_static_metacallEP7QObjectN11QMetaObject4CallEiPPv.part.1: and I found that it goes away when you tell cmake or make to build one after the other (either order works) like with this patch. But what is the root cause then? And how do you fix it better? REPOSITORY R119 Plasma Desktop REVISION DETAIL https://phabricator.kde.org/D17076 To: bmwiedemann, rwooninck, ochurlaud Cc: plasma-devel, ragreen, Pitel, ZrenBot, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, mart