I downloaded this list of mingw packages:
unodgs Messages: 1356 Registered: November 2005 Location: Poland
I will copy the mingw on upp ftp today (yesterday I had some problems with preparing install env on my laptop). The problem with mingw 188.8.131.5280502 is include/c++/ext folder is missing. They will address this problem in 4.3.1 release. In the meantime I copied it from previous version and everything seems to work fine.