"""SCons.Tool.RCS.py

Tool-specific initialization for RCS.

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, 2008, 2009, 2010 The SCons Foundation
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__revision__ = "src/engine/SCons/Tool/RCS.py 5134 2010/08/16 23:02:40 bdeegan"

import SCons.Action
import SCons.Builder
import SCons.Util

def generate(env):
    """Add a Builder factory function and construction variables for
    RCS to an Environment."""

    def RCSFactory(env=env):
        """ """
        import SCons.Warnings as W
        W.warn(W.DeprecatedSourceCodeWarning, """The RCS() factory is deprecated and there is no replacement.""")
        act = SCons.Action.Action('$RCS_COCOM', '$RCS_COCOMSTR')
        return SCons.Builder.Builder(action = act, env = env)

    #setattr(env, 'RCS', RCSFactory)
    env.RCS = RCSFactory

    env['RCS']          = 'rcs'
    env['RCS_CO']       = 'co'
    env['RCS_COFLAGS']  = SCons.Util.CLVar('')
    env['RCS_COCOM']    = '$RCS_CO $RCS_COFLAGS $TARGET'

def exists(env):
    return env.Detect('rcs')

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