Replace .jnilib with .dylib on OS X with JDK 6. Resolve #100

src/java/org/lwjgl/LWJGLUtil.java

@@ -319,6 +319,21 @@ public class LWJGLUtil {
 		}
 	}
 
+	/**
+	 * Wraps {@link System#mapLibraryName}. On OS X with JDK 6, the .jnilib file
+	 * extension will be replaced with .dylib.
+	 *
+	 * @param name the name of the library.
+	 *
+	 * @return a platform-dependent native library name.
+	 */
+	public static String mapLibraryName(String name) {
+		String libName = System.mapLibraryName(name);
+		return LWJGLUtil.getPlatform() == LWJGLUtil.PLATFORM_MACOSX && libName.endsWith(".jnilib")
+			? libName.substring(0, libName.length() - ".jnilib".length()) + ".dylib"
+			: libName;
+	}
+
 	/**
 	 * Locates the paths required by a library.
 	 *
@@ -421,7 +436,7 @@ public class LWJGLUtil {
 	 */
 	private static String getPathFromClassLoader(final String libname, final ClassLoader classloader) {
 		Class<?> c = null;
-		
+
 		try {
 			log("getPathFromClassLoader: searching for: " + libname);
 			c = classloader.getClass();

src/java/org/lwjgl/Sys.java

@@ -67,8 +67,7 @@ public final class Sys {
 			public Object run() {
 				String library_path = System.getProperty("org.lwjgl.librarypath");
 				if (library_path != null) {
-					System.load(library_path + File.separator +
-						System.mapLibraryName(lib_name));
+					System.load(library_path + File.separator + LWJGLUtil.mapLibraryName(lib_name));
 				} else {
 					System.loadLibrary(lib_name);
 				}

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

@@ -31,6 +31,8 @@
  */
 package org.lwjgl.util.applet;
 
+import org.lwjgl.LWJGLUtil;
+
 import java.applet.Applet;
 import java.applet.AppletStub;
 import java.awt.BorderLayout;
@@ -1219,7 +1221,7 @@ public class AppletLoader extends Applet implements Runnable, AppletStub {
 			
 			// allow non lwjgl native to be found from cache directory
 			protected String findLibrary (String libname) {
-				String libPath = path + "natives" + File.separator + System.mapLibraryName(libname);
+				String libPath = path + "natives" + File.separator + LWJGLUtil.mapLibraryName(libname);
 				
 				if (new File(libPath).exists()) {
 					return libPath;