ceph/cmake/modules/Builduring.cmake
Patrick Donnelly 8addb35987
cmake: populate liburing include and library paths down to rocksdb external project
There are two problems:

1) The librocksdb does not use the built liburing if present.
2) You cannot turn off rocksdb's use of liburing with WITH_LIBURING=OFF.

This is to fix errors like:

	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

Fixes: https://tracker.ceph.com/issues/63218
Signed-off-by: Patrick Donnelly <pdonnell@redhat.com>
2023-10-17 13:44:49 -04:00

46 lines
1.6 KiB
CMake

function(build_uring)
include(FindMake)
find_make("MAKE_EXECUTABLE" "make_cmd")
if(EXISTS "${PROJECT_SOURCE_DIR}/src/liburing/configure")
set(source_dir_args
SOURCE_DIR "${PROJECT_SOURCE_DIR}/src/liburing")
else()
set(source_dir_args
SOURCE_DIR ${CMAKE_BINARY_DIR}/src/liburing
GIT_REPOSITORY https://github.com/axboe/liburing.git
GIT_TAG "liburing-0.7"
GIT_SHALLOW TRUE
GIT_CONFIG advice.detachedHead=false)
endif()
include(ExternalProject)
ExternalProject_Add(liburing_ext
${source_dir_args}
CONFIGURE_COMMAND env CC=${CMAKE_C_COMPILER} CXX=${CMAKE_CXX_COMPILER} <SOURCE_DIR>/configure
BUILD_COMMAND ${make_cmd} "CFLAGS=${CMAKE_C_FLAGS} -fPIC" -C src -s
BUILD_IN_SOURCE 1
BUILD_BYPRODUCTS "<SOURCE_DIR>/src/liburing.a"
INSTALL_COMMAND ""
UPDATE_COMMAND ""
LOG_CONFIGURE ON
LOG_BUILD ON
LOG_MERGED_STDOUTERR ON
LOG_OUTPUT_ON_FAILURE ON)
unset(make_cmd)
ExternalProject_Get_Property(liburing_ext source_dir)
set(URING_INCLUDE_DIR "${source_dir}/src/include")
set(URING_LIBRARY_DIR "${source_dir}/src")
set(URING_INCLUDE_DIR ${URING_INCLUDE_DIR} PARENT_SCOPE)
set(URING_LIBRARY_DIR ${URING_LIBRARY_DIR} PARENT_SCOPE)
add_library(uring::uring STATIC IMPORTED GLOBAL)
add_dependencies(uring::uring liburing_ext)
file(MAKE_DIRECTORY ${URING_INCLUDE_DIR})
set_target_properties(uring::uring PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES ${URING_INCLUDE_DIR}
IMPORTED_LINK_INTERFACE_LANGUAGES "C"
IMPORTED_LOCATION "${URING_LIBRARY_DIR}/liburing.a")
endfunction()