I gave up on the bitmaintech branch because of some of the other changes they made to cgminer and pulled the latest ckolivas 3.9.0 repository, merged the bmsc driver and posted it to
https://github.com/fractalbc/cgminer.git The result when built with "./configure --disable-opencl --enable-bmsc --enable-bitfury --enable-icarus" is

There is one intermittent timeout issue on startup when running with screen that I am still trying to track down.