id summary reporter owner description type status milestone component version severity resolution keywords cc 13019 ABI compatibility for BOOST_THREAD_PROVIDES_INTERRUPTIONS incomplete David Linden viboes "Several places in boost include data members even if BOOST_THREAD_PROVIDES_INTERRUPTIONS is not defined, in order to provide ABI compatibility for applications that choose to use the feature or not. This ABI compatibility is missing for condition variables. The attached patch is humbly submitted for your review. I tried to follow the convention in other places of BOOST_THREAD_PROVIDES_INTERRUPTIONS where the #if defined is present, but commented out." Bugs closed Boost 1.66.0 thread Boost 1.59.0 Problem fixed ABI compatibility