Package org.jruby.libraries

Source Code of org.jruby.libraries.RbConfigLibrary

/***** BEGIN LICENSE BLOCK *****
* Version: CPL 1.0/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Common Public
* License Version 1.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.eclipse.org/legal/cpl-v10.html
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* Copyright (C) 2002-2004 Anders Bengtsson <ndrsbngtssn@yahoo.se>
* Copyright (C) 2004 Stefan Matthias Aust <sma@3plus4.de>
* Copyright (C) 2005 Charles O Nutter
* Copyright (C) 2006 Nick Sieger
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the CPL, indicate your
* decision by deleting the provisions above and replace them with the notice
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* the provisions above, a recipient may use your version of this file under
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package org.jruby.libraries;

import java.io.IOException;
import java.net.URL;
import java.util.HashMap;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import org.jruby.Ruby;
import org.jruby.RubyHash;
import org.jruby.RubyModule;
import org.jruby.ext.posix.util.Platform;
import org.jruby.runtime.Constants;
import org.jruby.runtime.load.Library;
import org.jruby.util.NormalizedFile;
import org.jruby.anno.JRubyModule;

@JRubyModule(name="Config")
public class RbConfigLibrary implements Library {
    // Ruby's designation for some platforms, minus version numbers in some cases
    private static final String RUBY_DARWIN = "darwin";
    private static final String RUBY_LINUX = "linux";
    private static final String RUBY_WIN32 = "mswin32";
    private static final String RUBY_SOLARIS = "solaris";
    private static final String RUBY_FREEBSD = "freebsd";
    private static final String RUBY_AIX = "aix";
   
    /** This is a map from Java's "friendly" OS names to those used by Ruby */
    public static final Map<String, String> RUBY_OS_NAMES = new HashMap<String, String>();
    static {
        RUBY_OS_NAMES.put("Mac OS X", RUBY_DARWIN);
        RUBY_OS_NAMES.put("Darwin", RUBY_DARWIN);
        RUBY_OS_NAMES.put("Linux", RUBY_LINUX);
        RUBY_OS_NAMES.put("Windows 95", RUBY_WIN32);
        RUBY_OS_NAMES.put("Windows 98", RUBY_WIN32);
        RUBY_OS_NAMES.put("Windows Me", RUBY_WIN32);
        RUBY_OS_NAMES.put("Windows NT", RUBY_WIN32);
        RUBY_OS_NAMES.put("Windows 2000", RUBY_WIN32);
        // that's what JDK5 produces on Windows Vista
        RUBY_OS_NAMES.put("Windows NT (unknown)", RUBY_WIN32);
        RUBY_OS_NAMES.put("Windows XP", RUBY_WIN32);
        RUBY_OS_NAMES.put("Windows 2003", RUBY_WIN32);
        RUBY_OS_NAMES.put("Windows Vista", RUBY_WIN32);
        RUBY_OS_NAMES.put("Solaris", RUBY_SOLARIS);
        RUBY_OS_NAMES.put("FreeBSD", RUBY_FREEBSD);
        RUBY_OS_NAMES.put("AIX", RUBY_AIX);
    }
   
    public static String getOSName() {
        String OSName = Platform.getOSName();
        String theOSName = RUBY_OS_NAMES.get(OSName);
       
        return theOSName == null ? OSName : theOSName;
    }
    /**
     * Just enough configuration settings (most don't make sense in Java) to run the rubytests
     * unit tests. The tests use <code>bindir</code>, <code>RUBY_INSTALL_NAME</code> and
     * <code>EXEEXT</code>.
     */
    public void load(Ruby runtime, boolean wrap) {
        RubyModule configModule = runtime.defineModule("Config");
       
        configModule.defineAnnotatedMethods(RbConfigLibrary.class);
       
        RubyHash configHash = RubyHash.newHash(runtime);
        configModule.defineConstant("CONFIG", configHash);
        runtime.getObject().defineConstant("RbConfig", configModule);

        String[] versionParts = Constants.RUBY_VERSION.split("\\.");
        setConfig(configHash, "MAJOR", versionParts[0]);
        setConfig(configHash, "MINOR", versionParts[1]);
        setConfig(configHash, "TEENY", versionParts[2]);
        setConfig(configHash, "ruby_version", versionParts[0] + '.' + versionParts[1]);
        // Rubygems is too specific on host cpu so until we have real need lets default to universal
        //setConfig(configHash, "arch", System.getProperty("os.arch") + "-java" + System.getProperty("java.specification.version"));
        setConfig(configHash, "arch", "universal-java" + System.getProperty("java.specification.version"));

        String normalizedHome;
        if (Ruby.isSecurityRestricted()) {
            normalizedHome = "SECURITY RESTRICTED";
        } else {
            normalizedHome = runtime.getJRubyHome();
        }
        setConfig(configHash, "bindir", new NormalizedFile(normalizedHome, "bin").getPath());
        setConfig(configHash, "RUBY_INSTALL_NAME", jrubyScript());
        setConfig(configHash, "ruby_install_name", jrubyScript());
        setConfig(configHash, "SHELL", jrubyShell());
        setConfig(configHash, "prefix", normalizedHome);
        setConfig(configHash, "exec_prefix", normalizedHome);

        setConfig(configHash, "host_os", getOSName());
        setConfig(configHash, "host_vendor", System.getProperty("java.vendor"));
        setConfig(configHash, "host_cpu", Platform.ARCH);
       
        setConfig(configHash, "target_os", getOSName());
       
        setConfig(configHash, "target_cpu", Platform.ARCH);
       
        String jrubyJarFile = "jruby.jar";
        URL jrubyPropertiesUrl = Ruby.getClassLoader().getResource(Constants.JRUBY_PROPERTIES);
        if (jrubyPropertiesUrl != null) {
            Pattern jarFile = Pattern.compile("jar:file:.*?([a-zA-Z0-9.\\-]+\\.jar)!" + Constants.JRUBY_PROPERTIES);
            Matcher jarMatcher = jarFile.matcher(jrubyPropertiesUrl.toString());
            jarMatcher.find();
            if (jarMatcher.matches()) {
                jrubyJarFile = jarMatcher.group(1);
            }
        }
        setConfig(configHash, "LIBRUBY", jrubyJarFile);
        setConfig(configHash, "LIBRUBY_SO", jrubyJarFile);
       
        setConfig(configHash, "build", Constants.BUILD);
        setConfig(configHash, "target", Constants.TARGET);
       
        String libdir = System.getProperty("jruby.lib");
        if (libdir == null) {
            libdir = new NormalizedFile(normalizedHome, "lib").getPath();
        } else {
            try {
            // Our shell scripts pass in non-canonicalized paths, but even if we didn't
            // anyone who did would become unhappy because Ruby apps expect no relative
            // operators in the pathname (rubygems, for example).
                libdir = new NormalizedFile(libdir).getCanonicalPath();
            } catch (IOException e) {
                libdir = new NormalizedFile(libdir).getAbsolutePath();
            }
        }
        String rubyLibDir = new NormalizedFile(libdir, "ruby/1.8").getPath();
        String siteDir = new NormalizedFile(libdir, "ruby/site_ruby").getPath();
        String siteLibDir = new NormalizedFile(libdir, "ruby/site_ruby/1.8").getPath();
        String siteArchDir = new NormalizedFile(libdir, "ruby/site_ruby/1.8/java").getPath();
        String archDir = new NormalizedFile(libdir, "ruby/1.8/java").getPath();

        setConfig(configHash, "libdir", libdir);
        setConfig(configHash, "rubylibdir",     rubyLibDir);
        setConfig(configHash, "sitedir",        siteDir);
        setConfig(configHash, "sitelibdir",     siteLibDir);
        setConfig(configHash, "sitearchdir",    siteArchDir);
        setConfig(configHash, "archdir",   archDir);
        setConfig(configHash, "topdir",   archDir);
        setConfig(configHash, "configure_args", "");
        setConfig(configHash, "datadir", new NormalizedFile(normalizedHome, "share").getPath());
        setConfig(configHash, "mandir", new NormalizedFile(normalizedHome, "man").getPath());
        setConfig(configHash, "sysconfdir", new NormalizedFile(normalizedHome, "etc").getPath());
        setConfig(configHash, "localstatedir", new NormalizedFile(normalizedHome, "var").getPath());
        setConfig(configHash, "DLEXT", "jar");

        if (Platform.IS_WINDOWS) {
            setConfig(configHash, "EXEEXT", ".exe");
        } else {
            setConfig(configHash, "EXEEXT", "");
        }
       
        RubyHash mkmfHash = RubyHash.newHash(runtime);
       

        setConfig(mkmfHash, "libdir", libdir);
        setConfig(mkmfHash, "arch", "java");
        setConfig(mkmfHash, "rubylibdir",     rubyLibDir);
        setConfig(mkmfHash, "sitedir",        siteDir);
        setConfig(mkmfHash, "sitelibdir",     siteLibDir);
        setConfig(mkmfHash, "sitearch", "java");
        setConfig(mkmfHash, "sitearchdir",    siteArchDir);
        setConfig(mkmfHash, "archdir",    archDir);
        setConfig(mkmfHash, "topdir",    archDir);
        setConfig(mkmfHash, "configure_args", "");
        setConfig(mkmfHash, "datadir", new NormalizedFile(normalizedHome, "share").getPath());
        setConfig(mkmfHash, "mandir", new NormalizedFile(normalizedHome, "man").getPath());
        setConfig(mkmfHash, "sysconfdir", new NormalizedFile(normalizedHome, "etc").getPath());
        setConfig(mkmfHash, "localstatedir", new NormalizedFile(normalizedHome, "var").getPath());
       
        setupMakefileConfig(configModule, mkmfHash);
    }
   
    private static void setupMakefileConfig(RubyModule configModule, RubyHash mkmfHash) {
        Ruby ruby = configModule.getRuntime();
       
        String jflags = " -fno-omit-frame-pointer -fno-strict-aliasing -DNDEBUG ";
        String oflags = " -O2 " + jflags;
        String wflags = " -W -Werror -Wall -Wno-unused -Wno-parentheses ";
        String picflags = true ? "" : " -fPIC -pthread ";
       
        String iflags = " -I\"$(JDK_HOME)/include\" -I\"$(JDK_HOME)/include/$(OS)\" -I\"$(BUILD_DIR)\" ";
       
        String cflags = "";
        String soflags = true ? "" : " -shared -static-libgcc -mimpure-text -Wl,-O1 ";
        String ldflags = soflags;
       
       
        String archflags = " -arch i386 -arch ppc -arch x86_64 ";
       
        cflags += archflags;

        // this set is only for darwin
        cflags += " -isysroot /Developer/SDKs/MacOSX10.4u.sdk -DTARGET_RT_MAC_CFM=0 ";
        cflags += " -arch i386 -arch ppc -arch x86_64 ";
        ldflags += " -arch i386 -arch ppc -arch x86_64 -bundle -framework JavaVM -Wl,-syslibroot,$(SDKROOT) -mmacosx-version-min=10.4 -undefined dynamic_lookup ";
        String libext = "a";
        String objext = "o";
       
        setConfig(mkmfHash, "configure_args", "");
        setConfig(mkmfHash, "CFLAGS", cflags);
        setConfig(mkmfHash, "CPPFLAGS", "");
        setConfig(mkmfHash, "ARCH_FLAG", "");
        setConfig(mkmfHash, "LDFLAGS", ldflags);
        setConfig(mkmfHash, "DLDFLAGS", "");
        setConfig(mkmfHash, "LIBEXT", libext);
        setConfig(mkmfHash, "OBJEXT", objext);
        setConfig(mkmfHash, "LIBRUBYARG_STATIC", "");
        setConfig(mkmfHash, "LIBRUBYARG_SHARED", "");
        setConfig(mkmfHash, "LIBS", "");
        setConfig(mkmfHash, "DLDLIBS", "");
        setConfig(mkmfHash, "ENABLED_SHARED", "");
        setConfig(mkmfHash, "LIBRUBY", "");
        setConfig(mkmfHash, "LIBRUBY_A", "");
        setConfig(mkmfHash, "LIBRUBYARG", "");
        setConfig(mkmfHash, "prefix", "");
        setConfig(mkmfHash, "ruby_install_name", jrubyScript());
        setConfig(mkmfHash, "DLEXT", "bundle");
        setConfig(mkmfHash, "CC", "cc ");
        setConfig(mkmfHash, "LDSHARED", "cc ");
        setConfig(mkmfHash, "OUTFLAG", "-o ");
        setConfig(mkmfHash, "PATH_SEPARATOR", ":");
        setConfig(mkmfHash, "INSTALL", "install -c ");
        setConfig(mkmfHash, "RM", "rm -f");
        setConfig(mkmfHash, "CP", "cp ");
        setConfig(mkmfHash, "MAKEDIRS", "mkdir -p ");
       
        ruby.getObject().defineConstant("CROSS_COMPILING", ruby.getNil());
       
        configModule.defineConstant("MAKEFILE_CONFIG", mkmfHash);
    }

    private static void setConfig(RubyHash mkmfHash, String key, String value) {
        Ruby runtime = mkmfHash.getRuntime();
        mkmfHash.op_aset(runtime.getCurrentContext(), runtime.newString(key), runtime.newString(value));
    }

    public static String jrubyScript() {
        return System.getProperty("jruby.script", Platform.IS_WINDOWS ? "jruby.bat" : "jruby").replace('\\', '/');
    }

    // TODO: note lack of command.com support for Win 9x...
    public static String jrubyShell() {
        return System.getProperty("jruby.shell", Platform.IS_WINDOWS ? "cmd.exe" : "/bin/sh").replace('\\', '/');
    }

}
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