Ceph

./do_cmake.sh -DWITH_PYTHON3=3.6 -DWITH_BABELTRACE=OFF -DWITH_MANPAGE=OFF -DWITH_RBD=OFF -DWITH_KRBD=OFF -DWITH_RADOSGW=OFF -DWITH_LTTNG=OFF -DWITH_RDMA=OFF -DWITH_SEASTAR=OFF -DWITH_CEPH_DEBUG_MUTEX=ON
...
$ cmake --build build/ --verbose
...
    FAILED: bin/ceph_test_keyvaluedb_iterators
    : && /opt/rh/gcc-toolset-11/root/usr/bin/g++ -Og -g -rdynamic -pie src/test/ObjectMap/CMakeFiles/ceph_test_keyvaluedb_iterators.dir/test_keyvaluedb_iterators.cc.o src/test/ObjectMap/CMakeFiles/ceph_test_keyvaluedb_iterators.dir/KeyValueDBMemory.cc.o -o bin/ceph_test_keyvaluedb_iterators  -Wl,-rpath,/home/pdonnell/scratch/build/lib  lib/libos.a  lib/libgmock_maind.a  lib/libgmockd. a  lib/libgtestd.a  -lpthread  -ldl  lib/libglobal.a  -ldl  /usr/lib64/librt.so  -lresolv  -ldl  lib/libblk.a  /lib64/libaio.so  src/liburing/src/liburing.a  lib/libkv.a  lib/libheap_profiler.a  /lib64/libtcmalloc.so  src/rocksdb/librocksdb.a  /lib64/libsnappy.so  /usr/lib64/liblz4.so  /usr/lib64/libz.so  /usr/lib64/libfuse.so  lib/libceph-common.so.2  src/opentelemetry-cpp/sdk/src/trace/libopentelemetry_trace.a  src/opentelemetry-cpp/sdk/src/resource/libopentelemetry_resources.a  src/opentelemetry-cpp/sdk/src/common/libopentelemetry_common.a  src/opentelemetry-cpp/exporters/jaeger/libopentelemetry_exporter_jaeger_trace.a  src/opentelemetry-cpp/ext/src/http/client/curl/libopentelemetry_http_client_curl.a  /usr/lib64/libcurl.so  /usr/lib64/libthrift.so  lib/libjson_spirit.a  lib/libcommon_utf8.a  lib/liberasure_code.a  lib/libextblkdev.a  -lcap  boost/lib/libboost_thread.a  boost/lib/libboost_chrono.a  boost/lib/libboost_atomic.a  boost/lib/libboost_system.a  boost/lib/libboost_random.a  boost/lib/libboost_program_options.a  boost/lib/libboost_date_time.a  boost/lib/libboost_iostreams.a  boost/lib/libboost_regex.a  lib/libfmtd.a  /usr/lib64/libblkid.so  -lpthread  /usr/lib64/libcrypto.so  /usr/lib64/libudev.so  /usr/lib64/libz.so  -ldl  -lresolv   -Wl,--as-needed -latomic && :
    /opt/rh/gcc-toolset-11/root/usr/bin/ld: src/rocksdb/librocksdb.a(fs_posix.cc.o): in function `io_uring_wait_cqe_nr':
    /home/pdonnell/scratch/build/src/liburing/src/include/liburing.h:494: undefined reference to `__io_uring_get_cqe'
    /opt/rh/gcc-toolset-11/root/usr/bin/ld: src/rocksdb/librocksdb.a(fs_posix.cc.o): in function `rocksdb::(anonymous namespace)::PosixFileSystem::AbortIO(std::vector<void*, std::allocator<void*> >&)':
    /home/pdonnell/ceph/src/rocksdb/env/fs_posix.cc:1125: undefined reference to `io_uring_get_sqe'
    /opt/rh/gcc-toolset-11/root/usr/bin/ld: /home/pdonnell/ceph/src/rocksdb/env/fs_posix.cc:1134: undefined reference to `io_uring_submit'
    /opt/rh/gcc-toolset-11/root/usr/bin/ld: src/rocksdb/librocksdb.a(fs_posix.cc.o): in function `rocksdb::CreateIOUring()':
    /home/pdonnell/ceph/src/rocksdb/env/io_posix.h:272: undefined reference to `io_uring_queue_init'
    /opt/rh/gcc-toolset-11/root/usr/bin/ld: src/rocksdb/librocksdb.a(io_posix.cc.o): in function `io_uring_wait_cqe_nr':
    /home/pdonnell/scratch/build/src/liburing/src/include/liburing.h:494: undefined reference to `__io_uring_get_cqe'
    /opt/rh/gcc-toolset-11/root/usr/bin/ld: src/rocksdb/librocksdb.a(io_posix.cc.o): in function `rocksdb::PosixRandomAccessFile::MultiRead(rocksdb::FSReadRequest*, unsigned long, rocksdb::IOOptions const&, rocksdb::IODebugContext*)':
    /home/pdonnell/ceph/src/rocksdb/env/io_posix.cc:674: undefined reference to `io_uring_get_sqe'
    /opt/rh/gcc-toolset-11/root/usr/bin/ld: /home/pdonnell/ceph/src/rocksdb/env/io_posix.cc:684: undefined reference to `io_uring_submit_and_wait'
    /opt/rh/gcc-toolset-11/root/usr/bin/ld: src/rocksdb/librocksdb.a(io_posix.cc.o): in function `rocksdb::PosixRandomAccessFile::ReadAsync(rocksdb::FSReadRequest&, rocksdb::IOOptions const&, std::function<void (rocksdb::FSReadRequest const&, void*)>, void*, void**, std::function<void (void*)>*, rocksdb::IODebugContext*)':
    /home/pdonnell/ceph/src/rocksdb/env/io_posix.cc:901: undefined reference to `io_uring_get_sqe'
    /opt/rh/gcc-toolset-11/root/usr/bin/ld: /home/pdonnell/ceph/src/rocksdb/env/io_posix.cc:910: undefined reference to `io_uring_submit'
    collect2: error: ld returned 1 exit status

This is on vossi04. I'm not sure what change to the system caused this error but the linking order is clearly wrong.