id summary reporter owner description type status milestone component version severity resolution keywords cc 8731 __GLIBC_HAVE_LONG_LONG define has been dropped from glibc in 2.17 pmachata@… John Maddock Boost uses this define to decide whether it can import ::uint64_t into the boost namespace. In glibc 2.17, that define has been dropped, support for long long is always assumed, and uint64_t is always defined. It is possible to use the macro GLIBC_PREREQ (defined I think since 2.2) to test glibc version. Bugs closed To Be Determined config Boost 1.55.0 Problem fixed