Index: java/awt/Component.java
===================================================================
RCS file: /cvsroot/classpath/classpath/java/awt/Component.java,v
retrieving revision 1.58
diff -u -r1.58 Component.java
--- java/awt/Component.java	25 May 2005 22:14:19 -0000	1.58
+++ java/awt/Component.java	2 Jun 2005 16:40:04 -0000
@@ -1005,6 +1005,10 @@
    */
   public void setBackground(Color c)
   {
+    // return if the background is already set to that color.
+    if (background != null && c != null)
+      if (background.equals(c))
+	return;
     // If c is null, inherit from closest ancestor whose bg is set.
     if (c == null && parent != null)
       c = parent.getBackground();