return new InstalledMingwGcc(VersionNumber.UNKNOWN).inPath(compiler64Exe.getParentFile(), compiler32Exe.getParentFile());
            }
        }

        return new UnavailableToolChain(ToolFamily.MINGW_GCC);
    }

    static private ToolChainCandidate findCygwin() {
        // Search in the standard installation locations and construct
        File compiler64Exe = new File("C:/cygwin64/bin/g++.exe");