mapnik/scons/scons-local-4.1.0/SCons/Tool/DCommon.py

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"""SCons.Tool.DCommon

Common code for the various D tools.

Coded by Russel Winder (russel@winder.org.uk)
2012-09-06
"""

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])


def allAtOnceEmitter(target, source, env):
    if env['DC'] in ('ldc2', 'dmd'):
        env.SideEffect(str(target[0]) + '.o', target[0])
        env.Clean(target[0], str(target[0]) + '.o')
    return target, source

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