86 lines
2.9 KiB
Python
86 lines
2.9 KiB
Python
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"""engine.SCons.Options.PathOption
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This file defines an option type for SCons implementing 'package
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activation'.
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To be used whenever a 'package' may be enabled/disabled and the
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package path may be specified.
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Usage example:
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Examples:
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x11=no (disables X11 support)
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x11=yes (will search for the package installation dir)
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x11=/usr/local/X11 (will check this path for existance)
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To replace autoconf's --with-xxx=yyy
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opts = Options()
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opts = Options()
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opts.Add(PathOption('qtdir',
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'where the root of Qt is installed',
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qtdir))
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opts.Add(PathOption('qt_includes',
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'where the Qt includes are installed',
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'$qtdir/includes'))
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opts.Add(PathOption('qt_libraries',
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'where the Qt library is installed',
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'$qtdir/lib'))
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"""
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#
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# Copyright (c) 2001, 2002, 2003, 2004 The SCons Foundation
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#
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# Permission is hereby granted, free of charge, to any person obtaining
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# a copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be included
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# in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
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# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
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# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#
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__revision__ = "/home/scons/scons/branch.0/baseline/src/engine/SCons/Options/PathOption.py 0.96.1.D001 2004/08/23 09:55:29 knight"
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__all__ = ('PathOption',)
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import os
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import SCons.Errors
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def _validator(key, val, env):
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"""
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"""
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# todo: write validator, check for path
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if not os.path.exists(val):
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raise SCons.Errors.UserError(
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'Path does not exist for option %s: %s' % (key, val))
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def PathOption(key, help, default):
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# NB: searchfunc is currenty undocumented and unsupported
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"""
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The input parameters describe a 'path list' option, thus they
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are returned with the correct converter and validator appended. The
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result is usable for input to opts.Add() .
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A 'package list' option may either be 'all', 'none' or a list of
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package names (seperated by space).
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"""
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return (key, '%s ( /path/to/%s )' % (help, key), default,
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_validator, None)
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