// Clear environment variables that might effect cl.exe & link.exe
        clearEnvironmentVars(invocationContext, "INCLUDE", "CL", "LIBPATH", "LINK", "LIB");

        invocationContext.setArgAction(commandLineToolConfiguration.getArgAction());
        return invocationContext;
    }

    private void clearEnvironmentVars(MutableCommandLineToolContext invocation, String... names) {

        // MinGW requires the path to be set
        baseInvocation.addPath(toolSearchPath.getPath());
        baseInvocation.addEnvironmentVar("CYGWIN", "nodosfilewarning");
        baseInvocation.setArgAction(toolConfiguration.getArgAction());

        String developerDir = System.getenv("DEVELOPER_DIR");
        if (developerDir != null) {
            baseInvocation.addEnvironmentVar("DEVELOPER_DIR", developerDir);