id summary reporter owner description type status milestone component version severity resolution keywords cc 11301 Boost 1.58 compile error with atomic when plain C++ is used edd@… timblechmann "The short program below ends in fatal error: boost/atomic/detail/caps_gcc-atomic.hpp: No such file or directory as BOOST_ATOMIC_EMULATED ends up not being defined. Found on Ubuntu 15.04, 32 and 64 bit, using g++ 4.9.2. I can overcome it by commenting out the #if !(defined(BOOST_ATOMIC_EMULATED)) in both {{{ atomic/capabilities.hpp atomic/detail/operations_lockfree.hpp }}} (This was in the context of headers-only Boost subset package I maintain for R; the actual commit earlier today is here: https://github.com/eddelbuettel/bh/commit/5238ac85b1afc32544612e615adac3aa279f3807 Dirk {{{ #include #include int main(int argc, char *argv[]) { std::cout << ""Value: "" << boost::math::lgamma(10.0) << std::endl; } }}} " Bugs closed To Be Determined atomic Boost 1.58.0 Showstopper worksforme Andrey.Semashev@…