ring an object of non-trivial type 'struct uuid_d'; use assignment or value-initialization instead [-Wclass-memaccess]
BUILDSTDERR:      memset(&fsid, 0, sizeof(fsid));
BUILDSTDERR:                                   ^
BUILDSTDERR: In file included from /builddir/build/BUILD/ceph-12.2.5/src/include/types.h:21,
BUILDSTDERR:                  from /builddir/build/BUILD/ceph-12.2.5/src/msg/Message.h:26,
BUILDSTDERR:                  from /builddir/build/BUILD/ceph-12.2.5/src/msg/Messenger.h:23,
BUILDSTDERR:                  from /builddir/build/BUILD/ceph-12.2.5/src/osdc/ObjectCacher.cc:6:
BUILDSTDERR: /builddir/build/BUILD/ceph-12.2.5/src/include/uuid.h:16:8: note: 'struct uuid_d' declared here
BUILDSTDERR:  struct uuid_d {
BUILDSTDERR:         ^~~~~~
BUILDSTDERR: In file included from /builddir/build/BUILD/ceph-12.2.5/src/osdc/Objecter.h:41,
BUILDSTDERR:                  from /builddir/build/BUILD/ceph-12.2.5/src/osdc/Objecter.cc:15:
BUILDSTDERR: /builddir/build/BUILD/ceph-12.2.5/src/osd/OSDMap.h: In constructor 'OSDMap::Incremental::Incremental(epoch_t)':
BUILDSTDERR: /builddir/build/BUILD/ceph-12.2.5/src/osd/OSDMap.h:434:36: warning: 'void* memset(void*, int, size_t)' clearing an object of non-trivial type 'struct uuid_d'; use assignment or value-initialization instead [-Wclass-memaccess]
BUILDSTDERR:        memset(&fsid, 0, sizeof(fsid));
BUILDSTDERR:                                     ^
BUILDSTDERR: In file included from /builddir/build/BUILD/ceph-12.2.5/src/include/types.h:21,
BUILDSTDERR:                  from /builddir/build/BUILD/ceph-12.2.5/src/osdc/Objecter.h:30,
BUILDSTDERR:                  from /builddir/build/BUILD/ceph-12.2.5/src/osdc/Objecter.cc:15:
BUILDSTDERR: /builddir/build/BUILD/ceph-12.2.5/src/include/uuid.h:16:8: note: 'struct uuid_d' declared here
BUILDSTDERR:  struct uuid_d {
BUILDSTDERR:         ^~~~~~
BUILDSTDERR: In file included from /builddir/build/BUILD/ceph-12.2.5/src/osdc/Objecter.h:41,
BUILDSTDERR:                  from /builddir/build/BUILD/ceph-12.2.5/src/osdc/Objecter.cc:15:
BUILDSTDERR: /builddir/build/BUILD/ceph-12.2.5/src/osd/OSDMap.h: In constructor 'OSDMap::OSDMap()':
BUILDSTDERR: /builddir/build/BUILD/ceph-12.2.5/src/osd/OSDMap.h:585:34: warning: 'void* memset(void*, int, size_t)' clearing an object of non-trivial type 'struct uuid_d'; use assignment or value-initialization instead [-Wclass-memaccess]
BUILDSTDERR:      memset(&fsid, 0, sizeof(fsid));
BUILDSTDERR:                                   ^
BUILDSTDERR: In file included from /builddir/build/BUILD/ceph-12.2.5/src/include/types.h:21,
BUILDSTDERR:                  from /builddir/build/BUILD/ceph-12.2.5/src/osdc/Objecter.h:30,
BUILDSTDERR:                  from /builddir/build/BUILD/ceph-12.2.5/src/osdc/Objecter.cc:15:
BUILDSTDERR: /builddir/build/BUILD/ceph-12.2.5/src/include/uuid.h:16:8: note: 'struct uuid_d' declared here
BUILDSTDERR:  struct uuid_d {
BUILDSTDERR:         ^~~~~~
BUILDSTDERR: In file included from /builddir/build/BUILD/ceph-12.2.5/src/mon/MonClient.h:22,
BUILDSTDERR:                  from /builddir/build/BUILD/ceph-12.2.5/src/osdc/Objecter.cc:19:
BUILDSTDERR: /builddir/build/BUILD/ceph-12.2.5/src/mon/MonMap.h: In constructor 'MonMap::MonMap()':
BUILDSTDERR: /builddir/build/BUILD/ceph-12.2.5/src/mon/MonMap.h:121:34: warning: 'void* memset(void*, int, size_t)' clearing an object of non-trivial type 'struct uuid_d'; use assignment or value-initialization instead [-Wclass-memaccess]
BUILDSTDERR:      memset(&fsid, 0, sizeof(fsid));
BUILDSTDERR:                                   ^
BUILDSTDERR: In file included from /builddir/build/BUILD/ceph-12.2.5/src/include/types.h:21,
BUILDSTDERR:                  from /builddir/build/BUILD/ceph-12.2.5/src/osdc/Objecter.h:30,
BUILDSTDERR:                  from /builddir/build/BUILD/ceph-12.2.5/src/osdc/Objecter.cc:15:
BUILDSTDERR: /builddir/build/BUILD/ceph-12.2.5/src/include/uuid.h:16:8: note: 'struct uuid_d' declared here
BUILDSTDERR:  struct uuid_d {
BUILDSTDERR:         ^~~~~~