# The Ant `build.xml` script used to compile build the final jar
	fun compile_antfile(compiler: JavaCompiler, jfiles: Array[String]) do
		var compile_dir = compiler.compile_dir
		var outname = compiler.outname.to_path.filename
		var outpath = (sys.getcwd / compiler.outname).simplify_path
		var antname = "{compile_dir}/{outname}.xml"
		var antfile = new FileWriter.open(antname)
		var jname = compiler.mainmodule.jname
		antfile.write("<project>")
		antfile.write(" <target name=\"compile\">")
		antfile.write("  <mkdir dir=\"classes\"/>")
		antfile.write("  <javac includes=\"{compiler.mainmodule.jname}_Main.java {jfiles.join(" ")}\" srcdir=\".\" destdir=\"classes\"/>")
		antfile.write(" </target>")
		antfile.write(" <target name=\"jar\" depends=\"compile\">")
		antfile.write("  <jar destfile=\"{outpath}.jar\" basedir=\"classes\">")
		antfile.write("   <manifest>")
		antfile.write("    <attribute name=\"Main-Class\" value=\"{jname}_Main\"/>")
		antfile.write("   </manifest>")
		antfile.write("  </jar>")
		antfile.write(" </target>")
		antfile.write("</project>")
		antfile.close
		toolcontext.info("Generated antfile: {antname}", 2)
	end