mingw search path recommendation

I'm ramping up to speed on building clang (c/c++) from svn on win7 32bit. So far it's worked surprisingly well with my msys/mingw 4.6.2 w/autoconf setup, and I'm investigating cmake.

My goal is to automate things a bit so that I end up with archive that can be injected into my build toolchain. After spelunking the archives and stackoverflow, my question is...what's the current status of

  http://lists.cs.uiuc.edu/pipermail/cfe-dev/2012-March/020341.html

and what's expected to become the "official" recommendation for 3.1? I'm guessing it's _not_ #6 from http://clang.llvm.org/get_started.html which may likely be remain for awhile.

Jon

I don't think any changes will make it for the 3.1 release, at least
not from my side. I just started poking around the driver as Chandler
suggested. The previous patch was my attempt to fix the broken mingw
search paths (two missing C include directories) but I'm not an expert
when it comes to mingw. I'm not sure if this new logic will cover
Cygwin/MSYS or if they should be handled like real GCC.