"""SCons.Tool.gas

Tool-specific initialization for as, the Gnu assembler.

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
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# permit persons to whom the Software is furnished to do so, subject to
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# The above copyright notice and this permission notice shall be included
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__revision__ = "src/engine/SCons/Tool/gas.py 2523 2007/12/12 09:37:41 knight"

as_module = __import__('as', globals(), locals(), [])

assemblers = ['as', 'gas']

def generate(env):
    """Add Builders and construction variables for as to an Environment."""
    as_module.generate(env)

    env['AS']        = env.Detect(assemblers) or 'as'

def exists(env):
    return env.Detect(assemblers)