--- old/src/share/classes/org/openjdk/jigsaw/cli/Librarian.java	Mon Dec 12 16:27:58 2011
+++ new/src/share/classes/org/openjdk/jigsaw/cli/Librarian.java	Mon Dec 12 16:27:58 2011
@@ -47,12 +47,41 @@
     private static JigsawModuleSystem jms
         = JigsawModuleSystem.instance();
 
+    private static final File homeLibrary
+        = new File(System.getProperty("java.home"), "lib/modules");
+
     static class Create extends Command<SimpleLibrary> {
         protected void go(SimpleLibrary lib)
             throws Command.Exception
         {
+            //assert lib == null;
             noDry();
+            File lp = libPath(opts);
+            File pp = null;
+            if (opts.has(parentPath)) {
+                pp = opts.valueOf(parentPath);
+            } else if (!opts.has("N")) {
+                pp = homeLibrary;
+            }
+            File natlibs = null;
+            if (opts.has(nativeLibs)) {
+                natlibs = opts.valueOf(nativeLibs);
+            }
+            File natcmds = null;
+            if (opts.has(nativeCmds)) {
+                natcmds = opts.valueOf(nativeCmds);
+            }
             finishArgs();
+
+            Set<StorageOption> createOpts = new HashSet<>();
+            if (opts.has("z"))
+                createOpts.add(StorageOption.DEFLATED);
+
+            try {
+                lib = SimpleLibrary.create(lp, pp, natlibs, natcmds, createOpts);
+            } catch (IOException x) {
+                throw new Command.Exception(x);
+            }
         }
     }
 
@@ -121,8 +150,8 @@
                 File module = new File(takeArg());
                 File classes = null;
                 try (FileInputStream fis = new FileInputStream(module);
-                     DataInputStream dis = new DataInputStream(fis);
-                     ModuleFile.Reader reader = new ModuleFile.Reader(dis)) {
+                    DataInputStream dis = new DataInputStream(fis);
+                    ModuleFile.Reader reader = new ModuleFile.Reader(dis)) {
 
                     ModuleInfo mi = jms.parseModuleInfo(reader.readStart());
                     classes = new File(mi.id().name());
@@ -447,7 +476,7 @@
             }
         }
     }
-    
+
     private static Map<String,Class<? extends Command<SimpleLibrary>>> commands
         = new HashMap<>();
 
@@ -473,6 +502,10 @@
     private OptionParser parser;
 
     private static OptionSpec<Integer> repoIndex; // ##
+    private static OptionSpec<File> libPath;
+    private static OptionSpec<File> parentPath;
+    private static OptionSpec<File> nativeLibs;
+    private static OptionSpec<File> nativeCmds;
 
     private void usage() {
         out.format("%n");
@@ -479,7 +512,7 @@
         out.format("usage: jmod add-repo [-i <index>] URL%n");
         out.format("       jmod extract <module-file> ...%n");
         out.format("       jmod config [<module-id> ...]%n");
-        out.format("       jmod create [-L <library>] [-P <parent>]%n");
+        out.format("       jmod create [-L <library>] [-P <parent>] [-natlibs <natlibs>] [-natcmds <natcmds>]%n");
         out.format("       jmod del-repo URL%n");
         out.format("       jmod dump-class <module-id> <class-name> <output-file>%n");
         out.format("       jmod dump-config <module-id>%n");
@@ -510,7 +543,7 @@
         parser = new OptionParser();
 
         // ## Need subcommand-specific option parsing
-        OptionSpec<File> libPath
+        libPath
             = (parser.acceptsAll(Arrays.asList("L", "library"),
                                  "Module-library location"
                                  + " (default $JAVA_MODULES)")
@@ -517,12 +550,23 @@
                .withRequiredArg()
                .describedAs("path")
                .ofType(File.class));
-        OptionSpec<File> parentPath
+        parentPath
             = (parser.acceptsAll(Arrays.asList("P", "parent-path"),
                                  "Parent module-library location")
                .withRequiredArg()
                .describedAs("path")
                .ofType(File.class));
+        nativeLibs
+            = (parser.accepts("natlibs", "Directory with native libs")
+               .withRequiredArg()
+               .describedAs("dir")
+               .ofType(File.class));
+
+        nativeCmds
+            = (parser.accepts("natcmds", "Directory with native launchers")
+               .withRequiredArg()
+               .describedAs("dir")
+               .ofType(File.class));
         parser.acceptsAll(Arrays.asList("N", "no-parent"),
                           "Use no parent library when creating");
         parser.acceptsAll(Arrays.asList("v", "verbose"),
@@ -550,13 +594,10 @@
                           + "Treat as unsigned.");
         parser.acceptsAll(Arrays.asList("G", "strip-debug"),
                           "Strip debug attributes during installation");
-        
+
         if (args.length == 0)
             usage();
 
-        File homeLibrary = new File(System.getProperty("java.home"),
-                                    "lib/modules");
-
         OptionSet opts = parser.parse(args);
         if (opts.has("h"))
             usage();
@@ -567,47 +608,29 @@
         Class<? extends Command<SimpleLibrary>> cmd = commands.get(verb);
         if (cmd == null)
             throw new Command.Exception("%s: unknown command", verb);
-        File lp = null;
-        if (opts.has(libPath)) {
-            lp = opts.valueOf(libPath);
-        } else {
-            String jm = System.getenv("JAVA_MODULES");
-            if (jm != null)
-                lp = new File(jm);
-            else
-                lp = homeLibrary;
-        }
-        File pp = null;
-        if (opts.has(parentPath)) {
-            pp = opts.valueOf(parentPath);
-        } else if (!opts.has("N")) {
-            pp = homeLibrary;
-        }
+
+        // every command, except create, needs to be passed a reference to the library
         SimpleLibrary lib = null;
-        try {
-            if (verb.equals("create")) {
-                Set<StorageOption> createOpts = new HashSet<>();
-                if (opts.has("z"))
-                    createOpts.add(StorageOption.DEFLATED);
-                lib = SimpleLibrary.create(lp, pp, createOpts);
-            } else {
+        if (!verb.equals("create")) {
+            File lp = libPath(opts);
+            try {
                 lib = SimpleLibrary.open(lp);
+            } catch (FileNotFoundException x) {
+                String msg = null;
+                File f = new File(x.getMessage());
+                try {
+                    f = f.getCanonicalFile();
+                    if (lp.getCanonicalFile().equals(f))
+                        msg = "No such library";
+                    else
+                        msg = "Cannot open parent library " + f;
+                } catch (IOException y) {
+                    throw new Command.Exception(y);
+                }
+                throw new Command.Exception("%s: %s", lp, msg);
+            } catch (IOException x) {
+                throw new Command.Exception(x);
             }
-        } catch (FileNotFoundException x) {
-            String msg = null;
-            File f = new File(x.getMessage());
-            try {
-                f = f.getCanonicalFile();
-                if (lp.getCanonicalFile().equals(f))
-                    msg = "No such library";
-                else
-                    msg = "Cannot open parent library " + f;
-            } catch (IOException y) {
-                throw new Command.Exception(y);
-            }
-            throw new Command.Exception("%s: %s", lp, msg);
-        } catch (IOException x) {
-            throw new Command.Exception(x);
         }
         try {
             cmd.newInstance().run(lib, opts);
@@ -617,6 +640,18 @@
             throw new AssertionError(x);
         }
     }
+
+    private static File libPath(OptionSet opts) {
+        if (opts.has(libPath)) {
+            return opts.valueOf(libPath);
+        } else {
+            String jm = System.getenv("JAVA_MODULES");
+            if (jm != null)
+                return new File(jm);
+            else
+                return homeLibrary;
+        }
+    }
 
     private Librarian() { }