}
    }

    private
    fun setupRunBinaryCompatibility(v1: File.() -> Unit, v2: File.() -> Unit): File {
        rootDir.withFile("version.txt", "1.0")

        return rootDir.withUniqueDirectory("input-build").apply {

            withSettings("""include("v1", "v2", "binary-compatibility")""")
            withBuildScript(
                """