tahoe-lafs/pycryptopp — pull request #7 by zooko (2012-02-13 00:18:29+00:00)
Title: add a string in cryptlib.cpp, declared extern in config.h to hold the "e...

...xtra version"

This way you can tell if the Crypto++ library you're linking/loading was built with patches (if the builder helpfully initialized this value for this purpose).