text: """SCons.Tool.SCCS.py
  
  Tool-specific initialization for SCCS.
  
  There normally shouldn't be any need to import this module directly.
  It will usually be imported through the generic SCons.Tool.Tool()
  selection method.
  
  """
  
  #
  # Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007 The SCons Foundation
  #
  # Permission is hereby granted, free of charge, to any person obtaining
  # a copy of this software and associated documentation files (the
  # "Software"), to deal in the Software without restriction, including
  # without limitation the rights to use, copy, modify, merge, publish,
  # distribute, sublicense, and/or sell copies of the Software, and to
  # permit persons to whom the Software is furnished to do so, subject to
  # the following conditions:
  #
  # The above copyright notice and this permission notice shall be included
  # in all copies or substantial portions of the Software.
  #
  # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
  # KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
  # WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  #
  
  __revision__ = "/home/scons/scons/branch.0/baseline/src/engine/SCons/Tool/SCCS.py 0.97.D001 2007/05/17 11:35:19 knight"
  
  import SCons.Action
  import SCons.Builder
  import SCons.Util
  
  def generate(env):
      """Add a Builder factory function and construction variables for
      SCCS to an Environment."""
  
      def SCCSFactory(env=env):
          """ """
          act = SCons.Action.Action('$SCCSCOM', '$SCCSCOMSTR')
          return SCons.Builder.Builder(action = act, env = env)
  
      #setattr(env, 'SCCS', SCCSFactory)
      env.SCCS = SCCSFactory
  
      env['SCCS']         = 'sccs'
      env['SCCSFLAGS']    = SCons.Util.CLVar('')
      env['SCCSGETFLAGS'] = SCons.Util.CLVar('')
      env['SCCSCOM']      = '$SCCS $SCCSFLAGS get $SCCSGETFLAGS $TARGET'
  
  def exists(env):
      return env.Detect('sccs')
  