On 03/12/18 20:40, Marcin Juszkiewicz wrote: > Asked because since Mimic gcc7+ is required to build Ceph. That's > because of c++14 stuff which is not fully implemented in older versions. > > That's also a reason why I can not build anything past Luminous under > Debian 'stretch' (gcc 6.3). Does Ceph require gcc to build? Debian Stretch has clang-3.8 in its repos, and even clang-6.0 in the backports (clang should have complete C++14 support in version 3.4 or newer).