'Returns the variables Xcode would set for build steps.'

def GetSortedXcodeEnv(self, additional_settings=None):

    assert self.abs_build_dir
    abs_build_dir = self.abs_build_dir
    return gyp.xcode_emulation.GetSortedXcodeEnv(self.xcode_settings, abs_build_dir, os.path.join(abs_build_dir, self.build_to_base), self.config_name, additional_settings)
