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19 lines
516 B
Python
19 lines
516 B
Python
#
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# Copyright (c) 2016 Stefan Seefeld
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# All rights reserved.
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#
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# Distributed under the Boost Software License, Version 1.0.
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# (See accompanying file LICENSE_1_0.txt or copy at
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# http://www.boost.org/LICENSE_1_0.txt)
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import traceback
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def append_feature_flag(env, **kw):
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stack = traceback.extract_stack(limit = 3)
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feature = stack[0][2].upper()
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for (key, val) in kw.items():
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feature_var = feature + "_" + key
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env.AppendUnique(**{ key : "$" + feature_var })
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env[feature_var] = val
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