The first checkin is done, i did some quick tests on MinGW, Cygwin and Ubuntu. It builds on all three of them. The tests work, but they don't actually test a lot - yet.
This projects is now also on ohloh:
https://www.ohloh.net/p/skyjni
I started this sf.net project to share one of my crazy creations - i'm currently extracting the code from another project. CMake is giving me some headaches here, but the checkin is coming soon :)