On Fri, Sep 15, 2017 at 3:29 PM, Jos Collin <jcollin@xxxxxxxxxx> wrote: > Found this today morning with the latest ceph source. But it went through > with the version of gcc in smithi (gcc (Ubuntu 4.8.4-2ubuntu1~14.04.3) > 4.8.4). > > > [ 14%] Performing forcebuild step for 'rocksdb_ext' > [ 14%] Performing build step for 'rocksdb_ext' > [ 0%] Built target build_version > [ 0%] Building CXX object CMakeFiles/rocksdb.dir/db/builder.cc.o > In file included from > /home/jcollin/workspace/testbuild/ceph/src/rocksdb/db/write_batch_internal.h:12:0, > from > /home/jcollin/workspace/testbuild/ceph/src/rocksdb/db/column_family.h:20, > from > /home/jcollin/workspace/testbuild/ceph/src/rocksdb/db/version_set.h:31, > from > /home/jcollin/workspace/testbuild/ceph/src/rocksdb/db/compaction.h:11, > from > /home/jcollin/workspace/testbuild/ceph/src/rocksdb/db/compaction_iterator.h:14, > from > /home/jcollin/workspace/testbuild/ceph/src/rocksdb/db/builder.cc:16: > /home/jcollin/workspace/testbuild/ceph/src/rocksdb/db/write_thread.h: In > member function ‘std::mutex& rocksdb::WriteThread::Writer::StateMutex()’: > /home/jcollin/workspace/testbuild/ceph/src/rocksdb/db/write_thread.h:192:78: > error: dereferencing type-punned pointer will break strict-aliasing rules > [-Werror=strict-aliasing] > return > *static_cast<std::mutex*>(static_cast<void*>(&state_mutex_bytes)); It's a gcc bug, see http://tracker.ceph.com/issues/19864. > > ^ > cc1plus: all warnings being treated as errors > make[6]: *** [CMakeFiles/rocksdb.dir/build.make:135: > CMakeFiles/rocksdb.dir/db/builder.cc.o] Error 1 > make[5]: *** [CMakeFiles/Makefile2:2225: CMakeFiles/rocksdb.dir/all] Error 2 > make[4]: *** [CMakeFiles/Makefile2:2237: CMakeFiles/rocksdb.dir/rule] Error > 2 > make[3]: *** [Makefile:875: rocksdb] Error 2 > make[2]: *** [src/CMakeFiles/rocksdb_ext.dir/build.make:113: > src/rocksdb_ext-prefix/src/rocksdb_ext-stamp/rocksdb_ext-build] Error 2 > make[1]: *** [CMakeFiles/Makefile2:1726: src/CMakeFiles/rocksdb_ext.dir/all] > Error 2 > make: *** [Makefile:139: all] Error 2 > [jcollin@earth build]$ gcc --version > gcc (GCC) 7.1.1 20170503 (Red Hat 7.1.1-1) > Copyright (C) 2017 Free Software Foundation, Inc. > This is free software; see the source for copying conditions. There is NO > warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. > > [jcollin@earth build]$ > -- > To unsubscribe from this list: send the line "unsubscribe ceph-devel" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Cheers, Brad -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
