# File lib/mkmf.rb, line 1052
    def mkintpath(path)
      # mingw uses make from msys and it needs special care
      # converts from C:\some\path to /C/some/path
      path = path.dup
      path.tr!('\\', '/')
      path.sub!(/\A([A-Za-z]):(?=\/)/, '/\1')
      path
    end