Kenny Riddile wrote:

Does Boost have any documented policy on compiler warnings? I, like a lot of people, use warning level 4 when compiling with MSVC. I also usually turn on warnings as errors, but I cannot easily do that since many Boost libraries emit warnings at warning level 4 under MSVC9. I realize that warnings aren't really standardized across compilers, but I would still expect a project that touts itself as "...one of the most highly regarded and expertly designed C++ library projects in the world." to strive for zero warnings under a commonly used setting on one of its official test compilers. I have created the following tickets regarding warnings that are currently causing me trouble:

https://svn.boost.org/trac/boost/ticket/3193 https://svn.boost.org/trac/boost/ticket/3194 https://svn.boost.org/trac/boost/ticket/3195 https://svn.boost.org/trac/boost/ticket/3196 https://svn.boost.org/trac/boost/ticket/3197

Thanks, Kenny Riddile

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and another: https://svn.boost.org/trac/boost/ticket/3198 Apparently some prior attention has been given to suppressing warnings specific to warning level 4 under MSVC...line 1139 of lexical_cast.hpp describes working around such a warning (and then ignores the unreachable code warning emitted a few lines down).