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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 18:00:34 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 18:00:34 +0000
commit3f619478f796eddbba6e39502fe941b285dd97b1 (patch)
treee2c7b5777f728320e5b5542b6213fd3591ba51e2 /storage/rocksdb/build_rocksdb.cmake
parentInitial commit. (diff)
downloadmariadb-3f619478f796eddbba6e39502fe941b285dd97b1.tar.xz
mariadb-3f619478f796eddbba6e39502fe941b285dd97b1.zip
Adding upstream version 1:10.11.6.upstream/1%10.11.6upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'storage/rocksdb/build_rocksdb.cmake')
-rw-r--r--storage/rocksdb/build_rocksdb.cmake495
1 files changed, 495 insertions, 0 deletions
diff --git a/storage/rocksdb/build_rocksdb.cmake b/storage/rocksdb/build_rocksdb.cmake
new file mode 100644
index 00000000..27a8616c
--- /dev/null
+++ b/storage/rocksdb/build_rocksdb.cmake
@@ -0,0 +1,495 @@
+
+if(POLICY CMP0042)
+ cmake_policy(SET CMP0042 NEW)
+endif()
+
+SET(ROCKSDB_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/rocksdb)
+
+INCLUDE_DIRECTORIES(
+ ${CMAKE_CURRENT_BINARY_DIR}
+ ${ROCKSDB_SOURCE_DIR}
+ ${ROCKSDB_SOURCE_DIR}/include
+ ${ROCKSDB_SOURCE_DIR}/third-party/gtest-1.7.0/fused-src
+)
+
+list(APPEND CMAKE_MODULE_PATH "${ROCKSDB_SOURCE_DIR}/cmake/modules/")
+
+if(WIN32)
+ # include(${ROCKSDB_SOURCE_DIR}/thirdparty.inc)
+else()
+ option(WITH_ROCKSDB_JEMALLOC "build RocksDB with JeMalloc" OFF)
+ if(CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
+ # FreeBSD has jemaloc as default malloc
+ add_definitions(-DROCKSDB_JEMALLOC)
+ ADD_DEFINITIONS(-DROCKSDB_MALLOC_USABLE_SIZE)
+ set(WITH_JEMALLOC ON)
+ elseif(WITH_ROCKSDB_JEMALLOC)
+ find_package(JeMalloc REQUIRED)
+ add_definitions(-DROCKSDB_JEMALLOC)
+ ADD_DEFINITIONS(-DROCKSDB_MALLOC_USABLE_SIZE)
+ include_directories(${JEMALLOC_INCLUDE_DIR})
+ endif()
+endif()
+
+
+# Optional compression libraries.
+
+include(CheckFunctionExists)
+macro(check_lib package)
+ SET(WITH_ROCKSDB_${package} AUTO CACHE STRING
+ "Build RocksDB with ${package} compression. Possible values are 'ON', 'OFF', 'AUTO' and default is 'AUTO'")
+
+ STRING(TOUPPER ${package} var)
+ IF (NOT ${WITH_ROCKSDB_${package}} STREQUAL "OFF")
+ FIND_PACKAGE(${package} QUIET)
+ SET(HAVE_ROCKSDB_${package} TRUE)
+ IF (${${package}_FOUND})
+ IF(${ARGC} GREATER 1)
+ SET(CMAKE_REQUIRED_LIBRARIES ${${var}_LIBRARIES})
+ CHECK_FUNCTION_EXISTS(${ARGV1} ${package}_VALID)
+ UNSET(CMAKE_REQUIRED_LIBRARIES)
+ ELSE()
+ SET(${package}_VALID TRUE)
+ ENDIF()
+ ENDIF()
+ ENDIF()
+ ADD_FEATURE_INFO(ROCKSDB_${package} HAVE_ROCKSDB_${package} "${package} Compression in the RocksDB storage engine")
+
+ IF(${${package}_VALID})
+ MESSAGE_ONCE(rocksdb_${package} "Found ${package}: ${${var}_LIBRARIES}")
+ add_definitions(-D${var})
+ include_directories(${${var}_INCLUDE_DIR})
+ list(APPEND THIRDPARTY_LIBS ${${var}_LIBRARIES})
+ ELSEIF(${${package}_FOUND})
+ MESSAGE_ONCE(rocksdb_${package} "Found unusable ${package}: ${${var}_LIBRARIES} [${ARGV1}]")
+ ELSE()
+ MESSAGE_ONCE(rocksdb_${package} "Could NOT find ${package}")
+ ENDIF()
+
+ IF (${WITH_ROCKSDB_${package}} STREQUAL "ON" AND NOT ${${package}_FOUND})
+ MESSAGE(FATAL_ERROR
+ "${package} library was not found, but WITH_ROCKSDB_${package} option is ON.\
+ Either set WITH_ROCKSDB_${package} to OFF, or make sure ${package} is installed")
+ endif()
+endmacro()
+
+check_lib(LZ4)
+check_lib(BZip2)
+check_lib(Snappy)
+check_lib(ZSTD ZDICT_trainFromBuffer)
+
+add_definitions(-DZLIB)
+list(APPEND THIRDPARTY_LIBS ${ZLIB_LIBRARY})
+ADD_FEATURE_INFO(ROCKSDB_ZLIB "ON" "zlib Compression in the RocksDB storage engine")
+
+if(CMAKE_SYSTEM_NAME MATCHES "Cygwin")
+ add_definitions(-fno-builtin-memcmp -DCYGWIN)
+elseif(CMAKE_SYSTEM_NAME MATCHES "Darwin")
+ add_definitions(-DOS_MACOSX)
+elseif(CMAKE_SYSTEM_NAME MATCHES "Linux")
+ add_definitions(-DOS_LINUX)
+elseif(CMAKE_SYSTEM_NAME MATCHES "SunOS")
+ add_definitions(-DOS_SOLARIS)
+elseif(CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
+ add_definitions(-DOS_FREEBSD)
+elseif(CMAKE_SYSTEM_NAME MATCHES "NetBSD")
+ add_definitions(-DOS_NETBSD)
+elseif(CMAKE_SYSTEM_NAME MATCHES "OpenBSD")
+ add_definitions(-DOS_OPENBSD)
+elseif(CMAKE_SYSTEM_NAME MATCHES "DragonFly")
+ add_definitions(-DOS_DRAGONFLYBSD)
+elseif(CMAKE_SYSTEM_NAME MATCHES "Android")
+ add_definitions(-DOS_ANDROID)
+elseif(CMAKE_SYSTEM_NAME MATCHES "Windows")
+ add_definitions(-DOS_WIN)
+endif()
+
+IF(MSVC)
+ add_definitions(/wd4244)
+ENDIF()
+if(NOT WIN32)
+ add_definitions(-DROCKSDB_PLATFORM_POSIX -DROCKSDB_LIB_IO_POSIX)
+endif()
+
+include(CheckCCompilerFlag)
+# ppc64 or ppc64le or powerpc64 (BSD)
+if(CMAKE_SYSTEM_PROCESSOR MATCHES "ppc64|powerpc64")
+ CHECK_C_COMPILER_FLAG("-maltivec" HAS_ALTIVEC)
+ if(HAS_ALTIVEC)
+ message(STATUS " HAS_ALTIVEC yes")
+ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -maltivec")
+ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -maltivec")
+ endif(HAS_ALTIVEC)
+ if(NOT CMAKE_C_FLAGS MATCHES "m(cpu|tune)")
+ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mcpu=power8")
+ endif()
+ if(NOT CMAKE_CXX_FLAGS MATCHES "m(cpu|tune)")
+ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mcpu=power8")
+ endif()
+ ADD_DEFINITIONS(-DHAVE_POWER8 -DHAS_ALTIVEC)
+endif(CMAKE_SYSTEM_PROCESSOR MATCHES "ppc64|powerpc64")
+
+option(WITH_FALLOCATE "build with fallocate" ON)
+
+if(WITH_FALLOCATE AND UNIX)
+ include(CheckCSourceCompiles)
+ CHECK_C_SOURCE_COMPILES("
+#define _GNU_SOURCE
+#include <fcntl.h>
+int main() {
+ int fd = open(\"/dev/null\", 0);
+ fallocate(fd, FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE, 0, 1024);
+}
+" HAVE_FALLOCATE)
+ if(HAVE_FALLOCATE)
+ add_definitions(-DROCKSDB_FALLOCATE_PRESENT)
+ endif()
+endif()
+
+CHECK_FUNCTION_EXISTS(malloc_usable_size HAVE_MALLOC_USABLE_SIZE)
+if(HAVE_MALLOC_USABLE_SIZE)
+ add_definitions(-DROCKSDB_MALLOC_USABLE_SIZE)
+endif()
+
+include_directories(${ROCKSDB_SOURCE_DIR})
+include_directories(${ROCKSDB_SOURCE_DIR}/include)
+include_directories(SYSTEM ${ROCKSDB_SOURCE_DIR}/third-party/gtest-1.7.0/fused-src)
+
+find_package(Threads REQUIRED)
+if(WIN32)
+ set(SYSTEM_LIBS ${SYSTEM_LIBS} ${ATOMIC_EXTRA_LIBS} Shlwapi.lib Rpcrt4.lib)
+else()
+ set(SYSTEM_LIBS ${SYSTEM_LIBS} ${CMAKE_THREAD_LIBS_INIT} ${LIBRT} ${CMAKE_DL_LIBS} ${ATOMIC_EXTRA_LIBS})
+endif()
+
+set(ROCKSDB_LIBS rocksdblib})
+set(LIBS ${ROCKSDB_LIBS} ${THIRDPARTY_LIBS} ${SYSTEM_LIBS})
+
+#add_subdirectory(${ROCKSDB_SOURCE_DIR}/tools)
+
+# Main library source code
+# Note : RocksDB has a lot of unittests. We should not include these files
+# in the build, because 1. they are not needed and 2. gtest causes warnings
+# in windows build, which are treated as errors and cause the build to fail.
+#
+# Unit tests themselves:
+# - *_test.cc
+# - *_bench.cc
+set(ROCKSDB_SOURCES
+ cache/clock_cache.cc
+ cache/lru_cache.cc
+ cache/sharded_cache.cc
+ db/arena_wrapped_db_iter.cc
+ db/builder.cc
+ db/c.cc
+ db/column_family.cc
+ db/compacted_db_impl.cc
+ db/compaction/compaction.cc
+ db/compaction/compaction_iterator.cc
+ db/compaction/compaction_picker.cc
+ db/compaction/compaction_job.cc
+ db/compaction/compaction_picker_fifo.cc
+ db/compaction/compaction_picker_level.cc
+ db/compaction/compaction_picker_universal.cc
+ db/convenience.cc
+ db/db_filesnapshot.cc
+ db/db_impl/db_impl.cc
+ db/db_impl/db_impl_write.cc
+ db/db_impl/db_impl_compaction_flush.cc
+ db/db_impl/db_impl_files.cc
+ db/db_impl/db_impl_open.cc
+ db/db_impl/db_impl_debug.cc
+ db/db_impl/db_impl_experimental.cc
+ db/db_impl/db_impl_readonly.cc
+ db/db_impl/db_impl_secondary.cc
+ db/db_info_dumper.cc
+ db/db_iter.cc
+ db/dbformat.cc
+ db/error_handler.cc
+ db/event_helpers.cc
+ db/experimental.cc
+ db/external_sst_file_ingestion_job.cc
+ db/file_indexer.cc
+ db/flush_job.cc
+ db/flush_scheduler.cc
+ db/forward_iterator.cc
+ db/import_column_family_job.cc
+ db/internal_stats.cc
+ db/logs_with_prep_tracker.cc
+ db/log_reader.cc
+ db/log_writer.cc
+ db/malloc_stats.cc
+ db/memtable.cc
+ db/memtable_list.cc
+ db/merge_helper.cc
+ db/merge_operator.cc
+ db/range_del_aggregator.cc
+ db/range_tombstone_fragmenter.cc
+ db/repair.cc
+ db/snapshot_impl.cc
+ db/table_cache.cc
+ db/table_properties_collector.cc
+ db/transaction_log_impl.cc
+ db/trim_history_scheduler.cc
+ db/version_builder.cc
+ db/version_edit.cc
+ db/version_set.cc
+ db/wal_manager.cc
+ db/write_batch.cc
+ db/write_batch_base.cc
+ db/write_controller.cc
+ db/write_thread.cc
+ env/env.cc
+ env/env_chroot.cc
+ env/env_encryption.cc
+ env/env_hdfs.cc
+ env/file_system.cc
+ env/mock_env.cc
+ file/delete_scheduler.cc
+ file/file_prefetch_buffer.cc
+ file/file_util.cc
+ file/filename.cc
+ file/random_access_file_reader.cc
+ file/read_write_util.cc
+ file/readahead_raf.cc
+ file/sequence_file_reader.cc
+ file/sst_file_manager_impl.cc
+ file/writable_file_writer.cc
+ logging/auto_roll_logger.cc
+ logging/event_logger.cc
+ logging/log_buffer.cc
+ memory/arena.cc
+ memory/concurrent_arena.cc
+ memory/jemalloc_nodump_allocator.cc
+ memtable/alloc_tracker.cc
+ memtable/hash_linklist_rep.cc
+ memtable/hash_skiplist_rep.cc
+ memtable/skiplistrep.cc
+ memtable/vectorrep.cc
+ memtable/write_buffer_manager.cc
+ monitoring/histogram.cc
+ monitoring/histogram_windowing.cc
+ monitoring/in_memory_stats_history.cc
+ monitoring/instrumented_mutex.cc
+ monitoring/iostats_context.cc
+ monitoring/perf_context.cc
+ monitoring/perf_level.cc
+ monitoring/persistent_stats_history.cc
+ monitoring/statistics.cc
+ monitoring/thread_status_impl.cc
+ monitoring/thread_status_updater.cc
+ monitoring/thread_status_util.cc
+ monitoring/thread_status_util_debug.cc
+ options/cf_options.cc
+ options/db_options.cc
+ options/options.cc
+ options/options_helper.cc
+ options/options_parser.cc
+ options/options_sanity_check.cc
+ port/stack_trace.cc
+ table/adaptive/adaptive_table_factory.cc
+ table/block_based/block.cc
+ table/block_based/block_based_filter_block.cc
+ table/block_based/block_based_table_builder.cc
+ table/block_based/block_based_table_factory.cc
+ table/block_based/block_based_table_reader.cc
+ table/block_based/block_builder.cc
+ table/block_based/block_prefix_index.cc
+ table/block_based/data_block_hash_index.cc
+ table/block_based/data_block_footer.cc
+ table/block_based/filter_block_reader_common.cc
+ table/block_based/filter_policy.cc
+ table/block_based/flush_block_policy.cc
+ table/block_based/full_filter_block.cc
+ table/block_based/index_builder.cc
+ table/block_based/parsed_full_filter_block.cc
+ table/block_based/partitioned_filter_block.cc
+ table/block_based/uncompression_dict_reader.cc
+ table/block_fetcher.cc
+ table/cuckoo/cuckoo_table_builder.cc
+ table/cuckoo/cuckoo_table_factory.cc
+ table/cuckoo/cuckoo_table_reader.cc
+ table/format.cc
+ table/get_context.cc
+ table/iterator.cc
+ table/merging_iterator.cc
+ table/meta_blocks.cc
+ table/persistent_cache_helper.cc
+ table/plain/plain_table_bloom.cc
+ table/plain/plain_table_builder.cc
+ table/plain/plain_table_factory.cc
+ table/plain/plain_table_index.cc
+ table/plain/plain_table_key_coding.cc
+ table/plain/plain_table_reader.cc
+ table/sst_file_reader.cc
+ table/sst_file_writer.cc
+ table/table_properties.cc
+ table/two_level_iterator.cc
+ test_util/sync_point.cc
+ test_util/sync_point_impl.cc
+ test_util/testutil.cc
+ test_util/transaction_test_util.cc
+ tools/block_cache_analyzer/block_cache_trace_analyzer.cc
+ tools/dump/db_dump_tool.cc
+ tools/ldb_cmd.cc
+ tools/ldb_tool.cc
+ tools/sst_dump_tool.cc
+ tools/trace_analyzer_tool.cc
+ trace_replay/trace_replay.cc
+ trace_replay/block_cache_tracer.cc
+ util/coding.cc
+ util/compaction_job_stats_impl.cc
+ util/comparator.cc
+ util/compression_context_cache.cc
+ util/concurrent_task_limiter_impl.cc
+ util/crc32c.cc
+ util/dynamic_bloom.cc
+ util/hash.cc
+ util/murmurhash.cc
+ util/random.cc
+ util/rate_limiter.cc
+ util/slice.cc
+ util/file_checksum_helper.cc
+ util/status.cc
+ util/string_util.cc
+ util/thread_local.cc
+ util/threadpool_imp.cc
+ util/xxhash.cc
+ utilities/backupable/backupable_db.cc
+ utilities/blob_db/blob_compaction_filter.cc
+ utilities/blob_db/blob_db.cc
+ utilities/blob_db/blob_db_impl.cc
+ utilities/blob_db/blob_db_impl_filesnapshot.cc
+ utilities/blob_db/blob_dump_tool.cc
+ utilities/blob_db/blob_file.cc
+ utilities/blob_db/blob_log_reader.cc
+ utilities/blob_db/blob_log_writer.cc
+ utilities/blob_db/blob_log_format.cc
+ utilities/checkpoint/checkpoint_impl.cc
+ utilities/compaction_filters/remove_emptyvalue_compactionfilter.cc
+ utilities/debug.cc
+ utilities/env_mirror.cc
+ utilities/env_timed.cc
+ utilities/leveldb_options/leveldb_options.cc
+ utilities/memory/memory_util.cc
+ utilities/merge_operators/bytesxor.cc
+ utilities/merge_operators/max.cc
+ utilities/merge_operators/put.cc
+ utilities/merge_operators/sortlist.cc
+ utilities/merge_operators/string_append/stringappend.cc
+ utilities/merge_operators/string_append/stringappend2.cc
+ utilities/merge_operators/uint64add.cc
+ utilities/object_registry.cc
+ utilities/option_change_migration/option_change_migration.cc
+ utilities/options/options_util.cc
+ utilities/persistent_cache/block_cache_tier.cc
+ utilities/persistent_cache/block_cache_tier_file.cc
+ utilities/persistent_cache/block_cache_tier_metadata.cc
+ utilities/persistent_cache/persistent_cache_tier.cc
+ utilities/persistent_cache/volatile_tier_impl.cc
+ utilities/simulator_cache/cache_simulator.cc
+ utilities/simulator_cache/sim_cache.cc
+ utilities/table_properties_collectors/compact_on_deletion_collector.cc
+ utilities/trace/file_trace_reader_writer.cc
+ utilities/transactions/optimistic_transaction_db_impl.cc
+ utilities/transactions/optimistic_transaction.cc
+ utilities/transactions/pessimistic_transaction.cc
+ utilities/transactions/pessimistic_transaction_db.cc
+ utilities/transactions/snapshot_checker.cc
+ utilities/transactions/transaction_base.cc
+ utilities/transactions/transaction_db_mutex_impl.cc
+ utilities/transactions/transaction_lock_mgr.cc
+ utilities/transactions/transaction_util.cc
+ utilities/transactions/write_prepared_txn.cc
+ utilities/transactions/write_prepared_txn_db.cc
+ utilities/transactions/write_unprepared_txn.cc
+ utilities/transactions/write_unprepared_txn_db.cc
+ utilities/ttl/db_ttl_impl.cc
+ utilities/write_batch_with_index/write_batch_with_index.cc
+ utilities/write_batch_with_index/write_batch_with_index_internal.cc
+)
+
+
+if(WIN32)
+ list(APPEND ROCKSDB_SOURCES
+ port/win/io_win.cc
+ port/win/env_win.cc
+ port/win/env_default.cc
+ port/win/port_win.cc
+ port/win/win_logger.cc
+ port/win/win_thread.cc
+ port/win/xpress_win.cc)
+else()
+ list(APPEND ROCKSDB_SOURCES
+ port/port_posix.cc
+ env/env_posix.cc
+ env/io_posix.cc
+ env/fs_posix.cc)
+ # ppc64 or ppc64le
+ if(CMAKE_SYSTEM_PROCESSOR MATCHES "ppc64")
+ enable_language(ASM)
+ list(APPEND ROCKSDB_SOURCES
+ util/crc32c_ppc.c
+ util/crc32c_ppc_asm.S)
+ endif(CMAKE_SYSTEM_PROCESSOR MATCHES "ppc64")
+ # aarch
+ if(CMAKE_SYSTEM_PROCESSOR MATCHES "aarch64|AARCH64")
+ INCLUDE(CheckCXXCompilerFlag)
+ CHECK_CXX_COMPILER_FLAG("-march=armv8-a+crc+crypto" HAS_ARMV8_CRC)
+ if(HAS_ARMV8_CRC)
+ message(STATUS " HAS_ARMV8_CRC yes")
+ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=armv8-a+crc+crypto -Wno-unused-function")
+ list(APPEND ROCKSDB_SOURCES
+ util/crc32c_arm64.cc)
+ endif(HAS_ARMV8_CRC)
+ endif(CMAKE_SYSTEM_PROCESSOR MATCHES "aarch64|AARCH64")
+endif()
+SET(SOURCES)
+FOREACH(s ${ROCKSDB_SOURCES})
+ list(APPEND SOURCES ${ROCKSDB_SOURCE_DIR}/${s})
+ENDFOREACH()
+
+if(MSVC)
+ add_definitions(-DHAVE_SSE42 -DHAVE_PCLMUL)
+ # Workaround broken compilation with -DWIN32_LEAN_AND_MEAN
+ # (https://github.com/facebook/rocksdb/issues/4344)
+ set_source_files_properties(${ROCKSDB_SOURCE_DIR}/port/win/env_win.cc
+ PROPERTIES COMPILE_FLAGS "/FI\"windows.h\" /FI\"winioctl.h\"")
+
+ # Workaround Win8.1 SDK bug, that breaks /permissive-
+ string(REPLACE "/permissive-" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
+else()
+ set(CMAKE_REQUIRED_FLAGS "-msse4.2 -mpclmul ${CXX11_FLAGS}")
+
+ CHECK_CXX_SOURCE_COMPILES("
+#include <cstdint>
+#include <nmmintrin.h>
+#include <wmmintrin.h>
+int main() {
+ volatile uint32_t x = _mm_crc32_u32(0, 0);
+ const auto a = _mm_set_epi64x(0, 0);
+ const auto b = _mm_set_epi64x(0, 0);
+ const auto c = _mm_clmulepi64_si128(a, b, 0x00);
+ auto d = _mm_cvtsi128_si64(c);
+}
+" HAVE_SSE42)
+ if(HAVE_SSE42)
+ set_source_files_properties(${ROCKSDB_SOURCE_DIR}/util/crc32c.cc
+ PROPERTIES COMPILE_FLAGS "-DHAVE_SSE42 -DHAVE_PCLMUL -msse4.2 -mpclmul")
+ endif()
+ unset(CMAKE_REQUIRED_FLAGS)
+endif()
+
+IF(CMAKE_VERSION VERSION_GREATER "2.8.10")
+ STRING(TIMESTAMP GIT_DATE_TIME "%Y-%m-%d %H:%M:%S")
+ENDIF()
+
+CONFIGURE_FILE(${ROCKSDB_SOURCE_DIR}/util/build_version.cc.in build_version.cc @ONLY)
+INCLUDE_DIRECTORIES(${ROCKSDB_SOURCE_DIR}/util)
+list(APPEND SOURCES ${CMAKE_CURRENT_BINARY_DIR}/build_version.cc)
+
+ADD_CONVENIENCE_LIBRARY(rocksdblib ${SOURCES})
+target_link_libraries(rocksdblib ${THIRDPARTY_LIBS} ${SYSTEM_LIBS})
+IF(CMAKE_CXX_COMPILER_ID MATCHES "GNU" OR CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+ set_target_properties(rocksdblib PROPERTIES COMPILE_FLAGS "-fPIC -fno-builtin-memcmp -Wno-error")
+endif()