Linux: added support for 64 bit JVMs

build.xml

@@ -358,14 +358,14 @@
 		</jar>
 		
 		<!-- create each of the native jars -->
-		<jar destfile="applet/win32_natives.jar" taskname="win32_natives.jar">
+		<jar destfile="applet/windows_natives.jar" taskname="windows_natives.jar">
 			<fileset dir="${lwjgl.lib}/win32">
 				<patternset refid="lwjgl-win32.fileset"/>
 				<patternset refid="lwjgl-win32_optional.fileset"/>
 				<include name="fmod.dll"/>
 			</fileset>
 		</jar>
-		<signjar jar="applet/win32_natives.jar" alias="lwjgl" keystore="applet/lwjglkeystore" storepass="123456"/>
+		<signjar jar="applet/windows_natives.jar" alias="lwjgl" keystore="applet/lwjglkeystore" storepass="123456"/>
 		
 		<jar destfile="applet/linux_natives.jar" taskname="linux_natives.jar">
 			<fileset dir="${lwjgl.lib}/linux">
@@ -388,12 +388,12 @@
 		<!-- add it to a natives jar -->
 		<jar destfile="applet/natives.jar" taskname="natives.jar">
 			<fileset dir="applet">
-				<include name="win32_natives.jar"/>
+				<include name="windows_natives.jar"/>
 				<include name="linux_natives.jar"/>
 				<include name="macosx_natives.jar"/>					
 			</fileset>
 		</jar>
-		<delete file="applet/win32_natives.jar"/>
+		<delete file="applet/windows_natives.jar"/>
 		<delete file="applet/linux_natives.jar"/>
 		<delete file="applet/macosx_natives.jar"/>
 		

platform_build/linux_ant/build.xml

@@ -2,7 +2,8 @@
 
 <project name="lwjgl native code, linux" basedir="../../bin" default="compile">
 	<property name="native" location="../src/native"/>
-	<property name="libname" value="liblwjgl.so"/>
+	<property name="libname32" value="liblwjgl.so"/>
+	<property name="libname64" value="liblwjgl64.so"/>
 	<property name="libs32" value="-L/usr/X11R6/lib -L/usr/X11/lib -lm -lX11 -lXext -lpthread -L${java.home}/lib/i386 -ljawt -Wl,-static,-lXxf86vm,-lXcursor,-lXrender,-lXrandr,-lXfixes,-call_shared"/>
 	<property name="libs64" value="-L/usr/X11R6/lib64 -L/usr/X11/lib64 -lm -lX11 -lXext -lpthread -L${java.home}/lib/amd64 -ljawt -lXxf86vm -lXcursor -lXrender -lXrandr -lXfixes"/>
 	<property name="cflags" value="-O2 -Wall -c -fPIC -std=c99 -pthread"/>
@@ -21,6 +22,9 @@
 		<condition property="libs" value="${libs64}" else="${libs32}">
 			<equals arg1="${hwplatform}" arg2="x86_64"/>
 		</condition>
+		<condition property="libname" value="${libname64}" else="${libname32}">
+			<equals arg1="${hwplatform}" arg2="x86_64"/>
+		</condition>
 		<property name="linker_flags" value="-Wl,--version-script=${native}/linux/lwjgl.map -shared -O2 -Wall -o ${libname} ${libs}"/>
 		<apply dir="." executable="cc" dest="." skipemptyfilesets="true" failonerror="true">
 			<arg line="${cflags}"/>

src/java/org/lwjgl/DefaultSysImplementation.java

@@ -46,6 +46,10 @@ abstract class DefaultSysImplementation implements SysImplementation {
 		return 1000;
 	}
 
+	public boolean has64Bit() {
+		return false;
+	}
+
 	public abstract long getTime();
 	public abstract void alert(String title, String message);
 	public abstract String getClipboard();

src/java/org/lwjgl/LWJGLUtil.java

@@ -58,7 +58,7 @@ public class LWJGLUtil {
 	public static final int PLATFORM_WINDOWS 			= 3;
 	public static final String PLATFORM_LINUX_NAME 		= "linux";
 	public static final String PLATFORM_MACOSX_NAME 	= "macosx";
-	public static final String PLATFORM_WINDOWS_NAME	= "win32";
+	public static final String PLATFORM_WINDOWS_NAME	= "windows";
 	
 	/** LWJGL Logo - 16 by 16 pixels */
 	public static final ByteBuffer	LWJGLIcon16x16		= BufferUtils.createByteBuffer(16 * 16 * 4).put(new byte[] { 

src/java/org/lwjgl/LinuxSysImplementation.java

@@ -71,4 +71,8 @@ class LinuxSysImplementation extends J2SESysImplementation {
 		// Seems to have failed
 		return false;
 	}
+
+	public boolean has64Bit() {
+		return true;
+	}
 }

src/java/org/lwjgl/Sys.java

@@ -58,8 +58,10 @@ public final class Sys {
 
 	/** The implementation instance to delegate platform specific behavior to */
 	private final static SysImplementation implementation;
+
+	private final static String POSTFIX64BIT = "64";
   
-	private static void loadLibrary(final String lib_name) {
+	private static void doLoadLibrary(final String lib_name) {
 		AccessController.doPrivileged(new PrivilegedAction() {
 			public Object run() {
 				String library_path = System.getProperty("org.lwjgl.librarypath");
@@ -72,6 +74,21 @@ public final class Sys {
 				return null;
 			}
 		});
+	}
+
+	private static void loadLibrary(final String lib_name) {
+		try {
+			loadLibrary(lib_name);
+		} catch (UnsatisfiedLinkError e) {
+			if (implementation.has64Bit()) {
+				try {
+					loadLibrary(lib_name + POSTFIX64BIT);
+				} catch (UnsatisfiedLinkError e2) {
+					LWJGLUtil.log("Failed to load 64 bit library:" + e2.getMessage());
+				}
+			}
+			throw e;
+		}
 	}	
 
 	static {

src/java/org/lwjgl/SysImplementation.java

@@ -44,22 +44,28 @@ interface SysImplementation {
 	/**
 	 * Return the version of the native library
 	 */
-	public String getNativeLibraryVersion();
+	String getNativeLibraryVersion();
 
-	public void setDebug(boolean debug);
+	void setDebug(boolean debug);
 
 	/**
 	 * Obtains the number of ticks that the hires timer does in a second.
 	 *
 	 * @return timer resolution in ticks per second or 0 if no timer is present.
 	 */
-	public long getTimerResolution();
+	long getTimerResolution();
 
-	public long getTime();
+	long getTime();
 
-	public void alert(String title, String message);
+	void alert(String title, String message);
 
 	boolean openURL(String url);
 
-	public String getClipboard();
+	String getClipboard();
+
+	/**
+	 * Returns true there exists a separate 64 bit library
+	 * on the platform
+	 */
+	boolean has64Bit();
 }

src/java/org/lwjgl/util/applet/LWJGLInstaller.java

@@ -84,7 +84,7 @@ public class LWJGLInstaller {
 	 * the user's temp directory, and instruct the LWJGL subsystem to load its
 	 * native files from there.
 	 * The file required by the installer, is gotten from the classloader via its
-	 * getResource command, and is expected to be named <win32 | linux | macosx>_natives.jar.
+	 * getResource command, and is expected to be named <windows | linux | macosx>_natives.jar.
 	 * Note: Due to the nature of native libraries, we cannot actually uninstall the currently
 	 * loaded files, but rather the "last" installed. This means that the most recent install of LWJGL
 	 * will always be present in the users temp dir. When invoking the tempInstall method, all old installations