Description:	Ignore nonexistent files before trying to use them in Java()
Origin:		Debian
Bug-Debian:	http://bugs.debian.org/338232
Forwarded:	http://scons.tigris.org/issues/show_bug.cgi?id=2207

Index: trunk/engine/SCons/Tool/JavaCommon.py
===================================================================
--- trunk.orig/engine/SCons/Tool/JavaCommon.py
+++ trunk/engine/SCons/Tool/JavaCommon.py
@@ -283,7 +283,10 @@ if java_parsing:
             return self.outer_state
 
     def parse_java_file(fn, version=default_java_version):
-        return parse_java(open(fn, 'r').read(), version)
+        try:
+            return parse_java(open(fn, 'r').read(), version)
+        except IOError:
+            return (None, [])
 
     def parse_java(contents, version=default_java_version, trace=None):
         """Parse a .java file and return a double of package directory,