Hi, I try to build Ceph v13.2.6 locally and I was clone and checkout with v13.2.6 tag. I run ./run-make-check.sh but it's failed. It's shows below error [100%] Building CXX object CMakeFiles/rocksdb.dir/env/env_posix.cc.o [100%] Building CXX object CMakeFiles/rocksdb.dir/env/io_posix.cc.o Linking CXX static library librocksdb.a [100%] Built target rocksdb [ 8%] Performing install step for 'rocksdb_ext' [ 8%] Completed 'rocksdb_ext' [ 8%] Built target rocksdb_ext make[1]: *** [CMakeFiles/tests.dir/rule] Error 2 make: *** [tests] Error 2 While I try, $ sudo ./install-deps.sh $ ./do_cmake.sh $ cd build $ make It raised below exception, In file included from /home/user/my/ceph/ceph/src/common/config.h:24:0, from /home/user/my/ceph/ceph/src/common/dout.h:22, from /home/user/my/ceph/ceph/src/kv/LevelDBStore.h:25, from /home/user/my/ceph/ceph/src/kv/KeyValueDB.cc:6: /home/user/my/ceph/ceph/src/log/SubsystemMap.h:65:25: error: enclosing class of constexpr non-static member function 'const char* ceph::logging::SubsystemMap::get_name(unsigned int) const' is not a literal type constexpr const char* get_name(unsigned subsys) const { ^~~~~~~~ /home/user/my/ceph/ceph/src/log/SubsystemMap.h:19:7: note: 'ceph::logging::SubsystemMap' is not literal because: class SubsystemMap { ^~~~~~~~~~~~ /home/user/my/ceph/ceph/src/log/SubsystemMap.h:19:7: note: 'ceph::logging::SubsystemMap' has a non-trivial destructor make[3]: *** [src/kv/CMakeFiles/kv_objs.dir/KeyValueDB.cc.o] Error 1 make[2]: *** [src/kv/CMakeFiles/kv_objs.dir/all] Error 2 Please help me here to suggest any better way to build ceph. Thanks, Amit G