"""SCons.Tool.aixc++

Tool-specific initialization for IBM xlC / Visual Age C++ compiler.

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 - 2016 The SCons Foundation
#
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# 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:
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# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
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__revision__ = "src/engine/SCons/Tool/aixc++.py rel_2.5.1:3735:9dc6cee5c168 2016/11/03 14:02:02 bdbaddog"

import os.path

import SCons.Platform.aix

cplusplus = __import__('c++', globals(), locals(), [])

packages = ['vacpp.cmp.core', 'vacpp.cmp.batch', 'vacpp.cmp.C', 'ibmcxx.cmp']

def get_xlc(env):
    xlc = env.get('CXX', 'xlC')
    return SCons.Platform.aix.get_xlc(env, xlc, packages)

def generate(env):
    """Add Builders and construction variables for xlC / Visual Age
    suite to an Environment."""
    path, _cxx, version = get_xlc(env)
    if path and _cxx:
        _cxx = os.path.join(path, _cxx)

    if 'CXX' not in env:
        env['CXX'] = _cxx

    cplusplus.generate(env)

    if version:
        env['CXXVERSION'] = version
    
def exists(env):
    path, _cxx, version = get_xlc(env)
    if path and _cxx:
        xlc = os.path.join(path, _cxx)
        if os.path.exists(xlc):
            return xlc
    return None

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