obtained gcc-4.6.4.tar.bz2 from upstream website;upstream

verified gcc-4.6.4.tar.bz2.sig;
imported gcc-4.6.4 source tree from verified upstream tarball.

downloading a git-generated archive based on the 'upstream' tag
should provide you with a source tree that is binary identical
to the one extracted from the above tarball.

if you have obtained the source via the command 'git clone',
however, do note that line-endings of files in your working
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1 files changed, 106 insertions, 0 deletions

diff --git a/libjava/classpath/javax/swing/Scrollable.java b/libjava/classpath/javax/swing/Scrollable.java
new file mode 100644
index 000000000..26fae2429
--- /dev/null
+++ b/libjava/classpath/javax/swing/Scrollable.java
@@ -0,0 +1,106 @@
+/* Scrollable.java --
+   Copyright (C) 2002, 2004 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+package javax.swing;
+
+import java.awt.Dimension;
+import java.awt.Rectangle;
+
+/**
+ * Defines the method that a component should implement to behave nicely
+ * in {@link JScrollPane}s. Note that this is not required for a component
+ * to be used in a <code>JScrollPane</code>, but can highly improve the
+ * user experience when scrolling the component.
+ */
+public interface Scrollable
+{
+  Dimension getPreferredScrollableViewportSize();
+
+  /**
+   * Return the preferred scrolling amount (in pixels) for the given
+   * scrolling direction and orientation when scrolling in small amounts
+   * like table lines.
+   *
+   * @param visibleRect the currently visible part of the component.
+   * @param orientation the scrolling orientation
+   * @param direction the scrolling direction (negative - up, positive -down).
+   * The values greater than one means that more mouse wheel or similar
+   * events were generated, and hence it is better to scroll the longer
+   * distance.
+   *
+   * @return the preferred scrolling distance, negative if up or left.
+   */
+  int getScrollableUnitIncrement(Rectangle visibleRect, int orientation,
+                                 int direction);
+
+  /**
+   * Return the preferred scrolling amount (in pixels) for the given
+   * scrolling direction and orientation when scrolling in large amounts
+   * (pages).
+   *
+   * @param visibleRect the currently visible part of the component.
+   * @param orientation the scrolling orientation
+   * @param direction the scrolling direction (negative - up, positive -down).
+   * The values greater than one means that more mouse wheel or similar
+   * events were generated, and hence it is better to scroll the longer
+   * distance.
+   *
+   * @return the preferred scrolling distance, negative if up or left.
+   */
+  int getScrollableBlockIncrement(Rectangle visibleRect, int orientation,
+                                  int direction);
+
+  /**
+   * Return true if the width of the scrollable is always equal to the
+   * view, where it is displayed, width (for instance, the text area with
+   * the word wrap). In such case, the horizontal scrolling should not be
+   * performed.
+   *
+   * @return true is no horizontal scrolling is assumed, faster otherwise.
+   */
+  boolean getScrollableTracksViewportWidth();
+
+  /**
+   * Return true if the height of the scrollable is always equal to the view,
+   * where it is displayed, height.In such case, the vertical scrolling should
+   * not be performed.
+   *
+   * @return true is no horizontal scrolling is assumed, faster otherwise.
+   */
+  boolean getScrollableTracksViewportHeight();
+
+}