1 /* Configuration.java --
2 Copyright (C) 1998, 2001, 2003, 2005, 2006, 2007, 2008
3 Free Software Foundation, Inc.
5 This file is part of GNU Classpath.
7 GNU Classpath is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
12 GNU Classpath is distributed in the hope that it will be useful, but
13 WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GNU Classpath; see the file COPYING. If not, write to the
19 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
22 Linking this library statically or dynamically with other modules is
23 making a combined work based on this library. Thus, the terms and
24 conditions of the GNU General Public License cover the whole
27 As a special exception, the copyright holders of this library give you
28 permission to link this library with independent modules to produce an
29 executable, regardless of the license terms of these independent
30 modules, and to copy and distribute the resulting executable under
31 terms of your choice, provided that you also meet, for each linked
32 independent module, the terms and conditions of the license of that
33 module. An independent module is a module which is not derived from
34 or based on this library. If you modify this library, you may extend
35 this exception to your version of the library, but you are not
36 obligated to do so. If you do not wish to do so, delete this
37 exception statement from your version. */
39 package gnu.classpath;
42 * This file defines compile-time constants that can be accessed by
43 * java code. It is pre-processed by configure.
45 public final class Configuration
47 private Configuration()
51 private static native String classpath_home();
52 private static native boolean debug();
53 private static native String toolkit();
54 private static native String ecj();
57 * The value of CLASSPATH_HOME is the location that the classpath
58 * libraries and support files where installed in. It is set according to
59 * the argument for --prefix given to configure and used to set the
60 * System property gnu.classpath.home.
62 public static final String CLASSPATH_HOME = classpath_home();
65 * The release version number of GNU Classpath.
66 * It is set according to the value of 'version' in the configure[.in] file
67 * and used to set the System property gnu.classpath.version.
69 public static final String CLASSPATH_VERSION = "0.99";
72 * The value of DEBUG is substituted according to whether the
73 * "--enable-debug" argument was passed to configure. Code
74 * which is made conditional based on the value of this flag - typically
75 * code that generates debugging output - will be removed by the optimizer
76 * in a non-debug build.
78 public static final boolean DEBUG = debug();
81 * The value of LOAD_LIBRARY is substituted according to whether the
82 * "--enable-load-library" or "--disable-load-library" argument was passed
83 * to configure. By default, configure should define this is as true.
84 * If set to false, loadLibrary() calls to load native function
85 * implementations, typically found in static initializers of classes
86 * which contain native functions, will be omitted. This is useful for
87 * runtimes which pre-link their native function implementations and do
88 * not require additional shared libraries to be loaded.
90 public static final boolean INIT_LOAD_LIBRARY = false;
93 * Name of default AWT peer library.
95 public static final String default_awt_peer_toolkit = toolkit();
98 * Whether to automatically run the init* methods in java.lang.System
99 * (the default) at class initialization time or whether to have the VM
100 * explicitly invoke them.
102 * The default is false, meaning the VM does not explicitly run the
106 public static final boolean JAVA_LANG_SYSTEM_EXPLICIT_INITIALIZATION = false;
109 * The Eclipse Java Compiler jar file for use by the
110 * com.sun.tools.javac implementation in tools.zip.
112 public static final String ECJ_JAR = ecj();
115 * Set to <code>true</code> if the config script found that (a) an
116 * implementation of java.math.BigInteger, based on the GNU MP library, is
117 * desired in preference to a pure Java one, and (b) the GNU MP library was
118 * found on the platform where the JVM is to run. Otherwise, this field is
119 * set to <code>false</code>.
121 public static final boolean WANT_NATIVE_BIG_INTEGER = true;