Add use_weakref option to functools.lru_cache The use_weakref option makes lru_cache create weak references to the function arguments when creating the cache key, which prevents them from staying in the memory forever even after all other references to them are gone. This is a proof of concept for http://bugs.python.org/issue19859

@echo off
if not defined HOST_PYTHON (
  if %1 EQU Debug (
    set HOST_PYTHON=python_d.exe
    if not exist python34_d.dll exit 1
  ) ELSE (
    set HOST_PYTHON=python.exe
    if not exist python34.dll exit 1
  )
)
%HOST_PYTHON% build_ssl.py %1 %2 %3