def install(self, spec, prefix):
    super(PyPybind11, self).install(spec, prefix)
    setup_py('install', '--single-version-externally-managed', '--root=/', '--prefix={0}'.format(prefix))
def install(self, spec, prefix):
    super(PyPybind11, self).install(spec, prefix)
    setup_py('install', '--single-version-externally-managed', '--root=/', '--prefix={0}'.format(prefix))