TauLabs/TauLabs — pull request #826 by jan76 (2013-08-04 03:06:29+00:00)
Title: Fixes #823 added win8 uname string to system-id.mk

Flying a little blind here as I don't have win8. I'm assuming that the uname output is MINGW32_NT-6.2

Also added some error/info if OSFAMILY is not defined.