id summary reporter owner description type status milestone component version severity resolution keywords cc 11398 boost log should allow setting BOOST_LOG_EVENT_USE_BOOST_CONDITION manually Mathias Gaunard Andrey Semashev "boost.log uses a different event mechanism depending on the version of GCC, for users wishing to use from GCC 4.4 a version of log compiled with GCC 4.1, linking fails because they're set to use different event mechanisms. This could be fixed by simply allowing the user to define himself BOOST_LOG_EVENT_USE_BOOST_CONDITION which should disable attempting to use semaphores." Bugs closed To Be Determined log Boost 1.57.0 Problem fixed