Tue, 10 Apr 2012 08:15:25 -0700
7074397: Build infrastructure changes (makefile re-write)
Summary: New makefiles transition, old and new living side by side for now.
Reviewed-by: ohair, jjg, dholmes, ohrstrom, erikj, ihse, tgranat, ykantser
Contributed-by: ohrstrom <fredrik.ohrstrom@oracle.com>, erikj <erik.joelsson@oracle.com>, ihse <magnus.ihse.bursie@oracle.com>, tgranat <torbjorn.granat@oracle.com>, ykantser <yekaterina.kantserova@oracle.com>
1 /*
2 * Copyright (c) 2004, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
24 /*
25 * Support routines to allow running `javac' or `jar' within the same JVM.
26 */
28 import java.io.*;
29 import java.net.*;
30 import java.lang.reflect.*;
32 class SameJVM {
34 private static ClassLoader toolsClassLoader() {
35 File javaHome = new File(System.getProperty("java.home"));
36 File classesDir = new File(javaHome, "classes");
37 File libDir = new File(javaHome.getParentFile(), "lib");
38 File toolsJar = new File(libDir, "tools.jar");
39 try {
40 return new URLClassLoader(
41 new URL[] {classesDir.toURL(), toolsJar.toURL()});
42 } catch (MalformedURLException e) { throw new AssertionError(e); }
43 }
44 private static final ClassLoader cl = toolsClassLoader();
46 static void javac(String... args) throws Exception {
47 Class c = Class.forName("com.sun.tools.javac.Main", true, cl);
48 int status = (Integer)
49 c.getMethod("compile", new Class[] {String[].class})
50 .invoke(c.newInstance(), new Object[] {args});
51 if (status != 0)
52 throw new Exception("javac failed: status=" + status);
53 }
55 static void jar(String... args) throws Exception {
56 Class c = Class.forName("sun.tools.jar.Main", true, cl);
57 Object instance = c.getConstructor(
58 new Class[] {PrintStream.class, PrintStream.class, String.class})
59 .newInstance(System.out, System.err, "jar");
60 boolean result = (Boolean)
61 c.getMethod("run", new Class[] {String[].class})
62 .invoke(instance, new Object[] {args});
63 if (! result)
64 throw new Exception("jar failed");
65 }
66 }