buildFile << app.extraConfiguration

            app.executable.writeSources(file("src/${name}Main"))
            app.library.writeSources(file("src/${name}Hello"))
            app.greetingsHeader.writeToDir(file("src/${name}Hello"))
            app.greetingsSources*.writeToDir(file("src/${name}Greetings"))

            buildFile << """
                model {

        given:
        def app = new ExeWithLibraryUsingLibraryHelloWorldApp()
        app.executable.writeSources(file("src/main"))
        app.library.writeSources(file("src/hello"))
        app.greetingsHeader.writeToDir(file("src/hello"))
        app.greetingsSources*.writeToDir(file("src/greetings"))

        and:
        buildFile << """
model {
    components {
        main(NativeExecutableSpec) {