Successfully built latest gcc on Win XP SP2 with cvs built cygwin.
$ ./config.guess i686-pc-cygwin $ cygcheck -V cygcheck version 1.94 System Checker for Cygwin Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 Red Hat, Inc. Compiled on Apr 17 2007 (It was actually compiled on 23/04/2007) $ ./g++ -v Using built-in specs. Target: i686-pc-cygwin Configured with: ../configure --prefix=/cygdrive/c/beta --enable-languages=c,c++ Thread model: single gcc version 4.3.0 20070424 (experimental) JT
