Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. — Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

This is the documentation for a snapshot of the develop branch, built from commit ec9f6e560b.

Disable TLS v1.2.

static const uint64_t no_tlsv1_2 = implementation_defined;