Update SCons to latest checkpoint release, 1.2.0.d20090113....

third_party/scons/scons-local/SCons/Warnings.py

Index: third_party/scons/scons-local/SCons/Warnings.py
===================================================================
--- third_party/scons/scons-local/SCons/Warnings.py	(revision 9094)
+++ third_party/scons/scons-local/SCons/Warnings.py	(working copy)
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 The SCons Foundation
+# Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 The SCons Foundation
 #
 # Permission is hereby granted, free of charge, to any person obtaining
 # a copy of this software and associated documentation files (the
@@ -27,7 +27,7 @@
 
 """
 
-__revision__ = "src/engine/SCons/Warnings.py 3842 2008/12/20 22:59:52 scons"
+__revision__ = "src/engine/SCons/Warnings.py 3897 2009/01/13 06:45:54 scons"
 
 import string
 import sys
@@ -37,7 +37,22 @@
 class Warning(SCons.Errors.UserError):
     pass
 
+class MandatoryWarning(Warning):
+    pass
 
+
+
+class FutureDeprecatedWarning(Warning):
+    pass
+
+class DeprecatedWarning(Warning):
+    pass
+
+class MandatoryDeprecatedWarning(MandatoryWarning):
+    pass
+
+
+
 # NOTE:  If you add a new warning class, add it to the man page, too!
 
 class CacheWriteErrorWarning(Warning):
@@ -49,9 +64,6 @@
 class DependencyWarning(Warning):
     pass
 
-class DeprecatedWarning(Warning):
-    pass
-
 class DeprecatedCopyWarning(DeprecatedWarning):
     pass
 
@@ -100,6 +112,9 @@
 class StackSizeWarning(Warning):
     pass
 
+class TaskmasterNeedsExecuteWarning(FutureDeprecatedWarning):
+    pass
+
 class FortranCxxMixWarning(LinkWarning):
     pass
 
@@ -189,5 +204,8 @@
         else:
             if enable:
                 enableWarningClass(clazz)
+            elif issubclass(clazz, MandatoryDeprecatedWarning):
+                fmt = "Can not disable mandataory warning: '%s'\n"
+                sys.stderr.write(fmt % arg)
             else:
                 suppressWarningClass(clazz)