Some thoughts about how one may share sources for libraries between two or more operating systems. Go.
Code manager application (mancode)
Based on some ideas from ULM, I have created an application with VB Net 2010 that is able to retrieve some libraries that I need. Future releases will be able to build the libraries, too.
Update July 3, 2011: I'm porting this program to C++ (powered by Qt).
An integrated system that you turn on when you go to sleep. In the morning, it delivers a state of the art, up to date MinGW/MSYS system for your Windows machine. Go.