[mythtv] MinGW distributions for Windows builds

[Jeff Lu]

With the change to TDM, are you continuing to use the pre-built Qt binaries, or 
are you recompiling Qt from source?

I ask because the Qt 4.6.x binaries may contain references 
that are undefined outside of the official MinGW-gcc 4.4.0 
environment.  E.g., see this thread: 
http://www.qtforum.org/article/29890/qt-4-6-linking-problem.html

Maybe MythTV doesn't trigger the related dependencies (not currently, anyway), 
but given the known issue, it's probably safest to rebuild Qt from source if you
change the compiler.


Jeff