mapnik/scons/scons-local-1.2.0/SCons/Options/PackageOption.py

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__revision__ = "src/engine/SCons/Options/PackageOption.py 3842 2008/12/20 22:59:52 scons"

__doc__ = """Place-holder for the old SCons.Options module hierarchy

This is for backwards compatibility.  The new equivalent is the Variables/
class hierarchy.  These will have deprecation warnings added (some day),
and will then be removed entirely (some day).
"""

import SCons.Variables
import SCons.Warnings

warned = False

def PackageOption(*args, **kw):
    global warned
    if not warned:
        msg = "The PackageOption() function is deprecated; use the PackageVariable() function instead."
        SCons.Warnings.warn(SCons.Warnings.DeprecatedOptionsWarning, msg)
        warned = True
    return apply(SCons.Variables.PackageVariable, args, kw)