cfg_cross_gnu.py 文件源码

def xcheck_envar(conf, name, wafname=None, cross=False):
    wafname = wafname or name
    value = os.environ.get(name, None)
    value = Utils.to_list(value)

    if not value:
        return

    conf.env[wafname] += value
    if cross:
        pretty = 'cross-compilation %s' % wafname
    else:
        pretty = wafname
    conf.msg('Will use %s' % pretty,
     " ".join(quote(x) for x in value))