2009-04-21  Kai Tietz  <kai.tietz@onevision.com>

        * config.gcc: Add additional configuration for
        i686-w64-mingw* and x86_64-w64-mingw* triplet.
        * config/i386/mingw-w64.h: New mingw-w64 specific header.
        (CPP_SPEC): Redefine for allowing -municode option.
        (STARTFILE_SPEC): Likewise.
        * config/i386/t-mingw-w64: New.
        * config/i386/mingw-w64.opt: New.
        (municode): Add new target option.
        * doc/invoke.texi (municode): Add documentation for new option.

From-SVN: r146529