def _get_build_version():
        # This function was copied from Lib/distutils/msvccompiler.py
        prefix = "MSC v."
        i = sys.version.find(prefix)
        if i == -1:
            return 6
        i = i + len(prefix)
        s, rest = sys.version[i:].split(" ", 1)
        majorVersion = int(s[:-2]) - 6
        minorVersion = int(s[2:3]) / 10.0
        # I don't think paths are affected by minor version in version 6
        if majorVersion == 6:
            minorVersion = 0
        if majorVersion >= 6:
            return majorVersion + minorVersion
        # else we don't know what version of the compiler this is
        return None
``make_dependencies`` includes the supplied ``version`` of
dataset/ETHPy150Open deanhiller/databus/webapp/play1.3.x/python/Lib/ctypes/util.py/_get_build_version--crossover with--dataset/ETHPy150Open ClusterHQ/flocker/admin/test/test_packaging.py/MakeDependenciesTests.test_node