The funny thing is that the Yocto project has kind of eliminated a lot of the hurdles. You could technically branch a .bb recipe for your kernel and boardset a

The funny thing is that the Yocto project has kind of eliminated a lot of the hurdles. You could technically branch a .bb recipe for your kernel and boardset and everything else would build on its own, including the SDK with toolchain wrapped in. Qt seems to be almost caught up with getting qt5 in the meta directories and having everything in place.