"""SCons.Tool.DCommon

Common code for the various D tools.

Coded by Russel Winder (russel@winder.org.uk)
2012-09-06
"""
#
# Copyright (c) 2001 - 2016 The SCons Foundation
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__revision__ = "src/engine/SCons/Tool/DCommon.py rel_2.5.1:3735:9dc6cee5c168 2016/11/03 14:02:02 bdbaddog"

import os.path

def isD(env, source):
    if not source:
        return 0
    for s in source:
        if s.sources:
            ext = os.path.splitext(str(s.sources[0]))[1]
            if ext == '.d':
                return 1
    return 0

def addDPATHToEnv(env, executable):
    dPath = env.WhereIs(executable)
    if dPath:
        phobosDir = dPath[:dPath.rindex(executable)] + '/../src/phobos'
        if os.path.isdir(phobosDir):
            env.Append(DPATH=[phobosDir])

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