* Add setupHook for meson/ninja build
* libhttpseverywhere: Use meson/ninja setupHooks
* jamomacore: Remove superfluous ninja buildInput
* Remove obsolete ninja buildPhases
These are all handled by ninja's setup hook.
* lean2, xcbuild: fix build with ninja setup hook
Ninja is a runtime dependency here. However, cmake can generate Ninja
build files as well to satisfy the setup hook.
* qtwebengine: fix build with ninja setup hook
Qt 5.8 is immediately removed because its support window is ended.
The qtlocation module is built with `enableParallelBuilding = false` so that the
clipper library will be built before the components which link to it.
kjs now depends directly on pcre. The dependency was previously propagated from
qtbase, which now depends on pcre2.
