Index: Lib/compileall.py
===================================================================
--- Lib/compileall.py	(revision 87048)
+++ Lib/compileall.py	(working copy)
@@ -181,11 +181,12 @@
                               'of the file'))
     parser.add_argument('-i', metavar='FILE', dest='flist',
                         help='expand the list with the content of FILE.')
-    parser.add_argument('compile_dest', metavar='FILE|DIR', nargs='?')
+    parser.add_argument('compile_dest', metavar='FILE|DIR', nargs='*')
     args = parser.parse_args()
 
-    if (args.ddir and args.compile_dest != 1 and
-        not os.path.isdir(args.compile_dest)):
+    compile_dests = args.compile_dest
+
+    if args.ddir and len(compile_dests) != 1:
         raise argparse.ArgumentError(
             "-d destdir requires exactly one directory argument")
     if args.rx:
@@ -193,7 +194,6 @@
         args.rx = re.compile(args.rx)
 
     # if flist is provided then load it
-    compile_dests = [args.compile_dest]
     if args.flist:
         with open(args.flist) as f:
             files = f.read().split()
Index: Lib/test/test_compileall.py
===================================================================
--- Lib/test/test_compileall.py	(revision 87048)
+++ Lib/test/test_compileall.py	(working copy)
@@ -247,6 +247,17 @@
         sourcefile = os.path.join(self.pkgdir, '__init__.py')
         self.assertTrue(os.path.exists(imp.cache_from_source(sourcefile)))
 
+    def test_multiple_dirs(self):
+        pkgdir2 = os.path.join(self.directory, 'foo2')
+        os.mkdir(pkgdir2)
+        open(os.path.join(pkgdir2, '__init__.py'), 'w').close()
+        open(os.path.join(pkgdir2, 'bar2.py'), 'w').close()
+        retcode = subprocess.call(
+            (sys.executable, '-m', 'compileall', '-q', self.pkgdir, pkgdir2))
+        self.assertEqual(retcode, 0)
+        self.assertTrue(os.path.exists(os.path.join(self.pkgdir, '__pycache__')))
+        self.assertTrue(os.path.exists(os.path.join(pkgdir2, '__pycache__')))
+        
 
 def test_main():
     support.run_unittest(