mirror of
https://github.com/google/leveldb.git
synced 2024-12-28 04:00:09 +08:00
1d6e8d64ee
This change implements support for Zstd-based compression in LevelDB. Building up from the Snappy compression (which has been supported since inception), this change adds Zstd as an alternate compression algorithm. We are implementing this to provide alternative options for users who might have different performance and efficiency requirements. For instance, the Zstandard website (https://facebook.github.io/zstd/) claims that the Zstd algorithm can achieve around 30% higher compression ratios than Snappy, with relatively smaller (~10%) slowdowns in de/compression speeds. Benchmarking results: $ blaze-bin/third_party/leveldb/db_bench LevelDB: version 1.23 Date: Thu Feb 2 18:50:06 2023 CPU: 56 * Intel(R) Xeon(R) CPU E5-2690 v4 @ 2.60GHz CPUCache: 35840 KB Keys: 16 bytes each Values: 100 bytes each (50 bytes after compression) Entries: 1000000 RawSize: 110.6 MB (estimated) FileSize: 62.9 MB (estimated) ------------------------------------------------ fillseq : 2.613 micros/op; 42.3 MB/s fillsync : 3924.432 micros/op; 0.0 MB/s (1000 ops) fillrandom : 3.609 micros/op; 30.7 MB/s overwrite : 4.508 micros/op; 24.5 MB/s readrandom : 6.136 micros/op; (864322 of 1000000 found) readrandom : 5.446 micros/op; (864083 of 1000000 found) readseq : 0.180 micros/op; 613.3 MB/s readreverse : 0.321 micros/op; 344.7 MB/s compact : 827043.000 micros/op; readrandom : 4.603 micros/op; (864105 of 1000000 found) readseq : 0.169 micros/op; 656.3 MB/s readreverse : 0.315 micros/op; 350.8 MB/s fill100K : 854.009 micros/op; 111.7 MB/s (1000 ops) crc32c : 1.227 micros/op; 3184.0 MB/s (4K per op) snappycomp : 3.610 micros/op; 1081.9 MB/s (output: 55.2%) snappyuncomp : 0.691 micros/op; 5656.3 MB/s zstdcomp : 15.731 micros/op; 248.3 MB/s (output: 44.1%) zstduncomp : 4.218 micros/op; 926.2 MB/s PiperOrigin-RevId: 509957778
520 lines
16 KiB
CMake
520 lines
16 KiB
CMake
# Copyright 2017 The LevelDB Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file. See the AUTHORS file for names of contributors.
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cmake_minimum_required(VERSION 3.9)
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# Keep the version below in sync with the one in db.h
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project(leveldb VERSION 1.23.0 LANGUAGES C CXX)
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# C standard can be overridden when this is used as a sub-project.
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if(NOT CMAKE_C_STANDARD)
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# This project can use C11, but will gracefully decay down to C89.
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set(CMAKE_C_STANDARD 11)
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set(CMAKE_C_STANDARD_REQUIRED OFF)
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set(CMAKE_C_EXTENSIONS OFF)
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endif(NOT CMAKE_C_STANDARD)
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# C++ standard can be overridden when this is used as a sub-project.
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if(NOT CMAKE_CXX_STANDARD)
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# This project requires C++11.
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set(CMAKE_CXX_STANDARD 11)
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set(CMAKE_CXX_STANDARD_REQUIRED ON)
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set(CMAKE_CXX_EXTENSIONS OFF)
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endif(NOT CMAKE_CXX_STANDARD)
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if (WIN32)
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set(LEVELDB_PLATFORM_NAME LEVELDB_PLATFORM_WINDOWS)
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# TODO(cmumford): Make UNICODE configurable for Windows.
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add_definitions(-D_UNICODE -DUNICODE)
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else (WIN32)
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set(LEVELDB_PLATFORM_NAME LEVELDB_PLATFORM_POSIX)
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endif (WIN32)
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option(LEVELDB_BUILD_TESTS "Build LevelDB's unit tests" ON)
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option(LEVELDB_BUILD_BENCHMARKS "Build LevelDB's benchmarks" ON)
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option(LEVELDB_INSTALL "Install LevelDB's header and library" ON)
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include(CheckIncludeFile)
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check_include_file("unistd.h" HAVE_UNISTD_H)
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include(CheckLibraryExists)
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check_library_exists(crc32c crc32c_value "" HAVE_CRC32C)
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check_library_exists(snappy snappy_compress "" HAVE_SNAPPY)
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check_library_exists(zstd zstd_compress "" HAVE_ZSTD)
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check_library_exists(tcmalloc malloc "" HAVE_TCMALLOC)
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include(CheckCXXSymbolExists)
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# Using check_cxx_symbol_exists() instead of check_c_symbol_exists() because
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# we're including the header from C++, and feature detection should use the same
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# compiler language that the project will use later. Principles aside, some
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# versions of do not expose fdatasync() in <unistd.h> in standard C mode
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# (-std=c11), but do expose the function in standard C++ mode (-std=c++11).
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check_cxx_symbol_exists(fdatasync "unistd.h" HAVE_FDATASYNC)
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check_cxx_symbol_exists(F_FULLFSYNC "fcntl.h" HAVE_FULLFSYNC)
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check_cxx_symbol_exists(O_CLOEXEC "fcntl.h" HAVE_O_CLOEXEC)
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if(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
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# Disable C++ exceptions.
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string(REGEX REPLACE "/EH[a-z]+" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /EHs-c-")
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add_definitions(-D_HAS_EXCEPTIONS=0)
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# Disable RTTI.
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string(REGEX REPLACE "/GR" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /GR-")
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else(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
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# Enable strict prototype warnings for C code in clang and gcc.
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if(NOT CMAKE_C_FLAGS MATCHES "-Wstrict-prototypes")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wstrict-prototypes")
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endif(NOT CMAKE_C_FLAGS MATCHES "-Wstrict-prototypes")
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# Disable C++ exceptions.
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string(REGEX REPLACE "-fexceptions" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-exceptions")
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# Disable RTTI.
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string(REGEX REPLACE "-frtti" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-rtti")
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endif(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
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# Test whether -Wthread-safety is available. See
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# https://clang.llvm.org/docs/ThreadSafetyAnalysis.html
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include(CheckCXXCompilerFlag)
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check_cxx_compiler_flag(-Wthread-safety HAVE_CLANG_THREAD_SAFETY)
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# Used by googletest.
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check_cxx_compiler_flag(-Wno-missing-field-initializers
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LEVELDB_HAVE_NO_MISSING_FIELD_INITIALIZERS)
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include(CheckCXXSourceCompiles)
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# Test whether C++17 __has_include is available.
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check_cxx_source_compiles("
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#if defined(__has_include) && __has_include(<string>)
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#include <string>
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#endif
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int main() { std::string str; return 0; }
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" HAVE_CXX17_HAS_INCLUDE)
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set(LEVELDB_PUBLIC_INCLUDE_DIR "include/leveldb")
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set(LEVELDB_PORT_CONFIG_DIR "include/port")
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configure_file(
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"port/port_config.h.in"
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"${PROJECT_BINARY_DIR}/${LEVELDB_PORT_CONFIG_DIR}/port_config.h"
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)
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include_directories(
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"${PROJECT_BINARY_DIR}/include"
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"."
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)
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if(BUILD_SHARED_LIBS)
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# Only export LEVELDB_EXPORT symbols from the shared library.
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add_compile_options(-fvisibility=hidden)
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endif(BUILD_SHARED_LIBS)
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# Must be included before CMAKE_INSTALL_INCLUDEDIR is used.
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include(GNUInstallDirs)
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add_library(leveldb "")
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target_sources(leveldb
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PRIVATE
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"${PROJECT_BINARY_DIR}/${LEVELDB_PORT_CONFIG_DIR}/port_config.h"
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"db/builder.cc"
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"db/builder.h"
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"db/c.cc"
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"db/db_impl.cc"
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"db/db_impl.h"
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"db/db_iter.cc"
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"db/db_iter.h"
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"db/dbformat.cc"
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"db/dbformat.h"
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"db/dumpfile.cc"
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"db/filename.cc"
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"db/filename.h"
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"db/log_format.h"
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"db/log_reader.cc"
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"db/log_reader.h"
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"db/log_writer.cc"
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"db/log_writer.h"
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"db/memtable.cc"
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"db/memtable.h"
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"db/repair.cc"
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"db/skiplist.h"
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"db/snapshot.h"
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"db/table_cache.cc"
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"db/table_cache.h"
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"db/version_edit.cc"
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"db/version_edit.h"
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"db/version_set.cc"
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"db/version_set.h"
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"db/write_batch_internal.h"
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"db/write_batch.cc"
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"port/port_stdcxx.h"
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"port/port.h"
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"port/thread_annotations.h"
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"table/block_builder.cc"
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"table/block_builder.h"
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"table/block.cc"
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"table/block.h"
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"table/filter_block.cc"
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"table/filter_block.h"
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"table/format.cc"
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"table/format.h"
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"table/iterator_wrapper.h"
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"table/iterator.cc"
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"table/merger.cc"
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"table/merger.h"
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"table/table_builder.cc"
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"table/table.cc"
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"table/two_level_iterator.cc"
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"table/two_level_iterator.h"
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"util/arena.cc"
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"util/arena.h"
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"util/bloom.cc"
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"util/cache.cc"
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"util/coding.cc"
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"util/coding.h"
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"util/comparator.cc"
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"util/crc32c.cc"
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"util/crc32c.h"
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"util/env.cc"
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"util/filter_policy.cc"
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"util/hash.cc"
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"util/hash.h"
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"util/logging.cc"
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"util/logging.h"
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"util/mutexlock.h"
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"util/no_destructor.h"
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"util/options.cc"
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"util/random.h"
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"util/status.cc"
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# Only CMake 3.3+ supports PUBLIC sources in targets exported by "install".
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$<$<VERSION_GREATER:CMAKE_VERSION,3.2>:PUBLIC>
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"${LEVELDB_PUBLIC_INCLUDE_DIR}/c.h"
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"${LEVELDB_PUBLIC_INCLUDE_DIR}/cache.h"
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"${LEVELDB_PUBLIC_INCLUDE_DIR}/comparator.h"
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"${LEVELDB_PUBLIC_INCLUDE_DIR}/db.h"
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"${LEVELDB_PUBLIC_INCLUDE_DIR}/dumpfile.h"
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"${LEVELDB_PUBLIC_INCLUDE_DIR}/env.h"
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"${LEVELDB_PUBLIC_INCLUDE_DIR}/export.h"
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"${LEVELDB_PUBLIC_INCLUDE_DIR}/filter_policy.h"
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"${LEVELDB_PUBLIC_INCLUDE_DIR}/iterator.h"
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"${LEVELDB_PUBLIC_INCLUDE_DIR}/options.h"
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"${LEVELDB_PUBLIC_INCLUDE_DIR}/slice.h"
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"${LEVELDB_PUBLIC_INCLUDE_DIR}/status.h"
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"${LEVELDB_PUBLIC_INCLUDE_DIR}/table_builder.h"
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"${LEVELDB_PUBLIC_INCLUDE_DIR}/table.h"
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"${LEVELDB_PUBLIC_INCLUDE_DIR}/write_batch.h"
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)
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if (WIN32)
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target_sources(leveldb
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PRIVATE
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"util/env_windows.cc"
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"util/windows_logger.h"
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)
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else (WIN32)
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target_sources(leveldb
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PRIVATE
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"util/env_posix.cc"
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"util/posix_logger.h"
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)
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endif (WIN32)
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# MemEnv is not part of the interface and could be pulled to a separate library.
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target_sources(leveldb
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PRIVATE
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"helpers/memenv/memenv.cc"
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"helpers/memenv/memenv.h"
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)
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target_include_directories(leveldb
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PUBLIC
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$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include>
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$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
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)
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set_target_properties(leveldb
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PROPERTIES VERSION ${PROJECT_VERSION} SOVERSION ${PROJECT_VERSION_MAJOR})
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target_compile_definitions(leveldb
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PRIVATE
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# Used by include/export.h when building shared libraries.
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LEVELDB_COMPILE_LIBRARY
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# Used by port/port.h.
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${LEVELDB_PLATFORM_NAME}=1
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)
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if (NOT HAVE_CXX17_HAS_INCLUDE)
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target_compile_definitions(leveldb
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PRIVATE
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LEVELDB_HAS_PORT_CONFIG_H=1
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)
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endif(NOT HAVE_CXX17_HAS_INCLUDE)
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if(BUILD_SHARED_LIBS)
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target_compile_definitions(leveldb
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PUBLIC
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# Used by include/export.h.
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LEVELDB_SHARED_LIBRARY
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)
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endif(BUILD_SHARED_LIBS)
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if(HAVE_CLANG_THREAD_SAFETY)
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target_compile_options(leveldb
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PUBLIC
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-Werror -Wthread-safety)
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endif(HAVE_CLANG_THREAD_SAFETY)
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if(HAVE_CRC32C)
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target_link_libraries(leveldb crc32c)
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endif(HAVE_CRC32C)
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if(HAVE_SNAPPY)
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target_link_libraries(leveldb snappy)
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endif(HAVE_SNAPPY)
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if(HAVE_ZSTD)
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target_link_libraries(leveldb zstd)
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endif(HAVE_ZSTD)
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if(HAVE_TCMALLOC)
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target_link_libraries(leveldb tcmalloc)
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endif(HAVE_TCMALLOC)
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# Needed by port_stdcxx.h
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find_package(Threads REQUIRED)
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target_link_libraries(leveldb Threads::Threads)
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add_executable(leveldbutil
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"db/leveldbutil.cc"
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)
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target_link_libraries(leveldbutil leveldb)
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if(LEVELDB_BUILD_TESTS)
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enable_testing()
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# Prevent overriding the parent project's compiler/linker settings on Windows.
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set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
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set(install_gtest OFF)
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set(install_gmock OFF)
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set(build_gmock ON)
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# This project is tested using GoogleTest.
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add_subdirectory("third_party/googletest")
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# GoogleTest triggers a missing field initializers warning.
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if(LEVELDB_HAVE_NO_MISSING_FIELD_INITIALIZERS)
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set_property(TARGET gtest
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APPEND PROPERTY COMPILE_OPTIONS -Wno-missing-field-initializers)
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set_property(TARGET gmock
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APPEND PROPERTY COMPILE_OPTIONS -Wno-missing-field-initializers)
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endif(LEVELDB_HAVE_NO_MISSING_FIELD_INITIALIZERS)
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add_executable(leveldb_tests "")
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target_sources(leveldb_tests
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PRIVATE
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# "db/fault_injection_test.cc"
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# "issues/issue178_test.cc"
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# "issues/issue200_test.cc"
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# "issues/issue320_test.cc"
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"${PROJECT_BINARY_DIR}/${LEVELDB_PORT_CONFIG_DIR}/port_config.h"
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# "util/env_test.cc"
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"util/status_test.cc"
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"util/no_destructor_test.cc"
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"util/testutil.cc"
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"util/testutil.h"
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)
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if(NOT BUILD_SHARED_LIBS)
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target_sources(leveldb_tests
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PRIVATE
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"db/autocompact_test.cc"
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"db/corruption_test.cc"
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"db/db_test.cc"
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"db/dbformat_test.cc"
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"db/filename_test.cc"
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"db/log_test.cc"
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"db/recovery_test.cc"
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"db/skiplist_test.cc"
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"db/version_edit_test.cc"
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"db/version_set_test.cc"
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"db/write_batch_test.cc"
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"helpers/memenv/memenv_test.cc"
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"table/filter_block_test.cc"
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"table/table_test.cc"
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"util/arena_test.cc"
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"util/bloom_test.cc"
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"util/cache_test.cc"
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"util/coding_test.cc"
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"util/crc32c_test.cc"
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"util/hash_test.cc"
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"util/logging_test.cc"
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)
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endif(NOT BUILD_SHARED_LIBS)
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target_link_libraries(leveldb_tests leveldb gmock gtest gtest_main)
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target_compile_definitions(leveldb_tests
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PRIVATE
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${LEVELDB_PLATFORM_NAME}=1
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)
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if (NOT HAVE_CXX17_HAS_INCLUDE)
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target_compile_definitions(leveldb_tests
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PRIVATE
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LEVELDB_HAS_PORT_CONFIG_H=1
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)
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endif(NOT HAVE_CXX17_HAS_INCLUDE)
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add_test(NAME "leveldb_tests" COMMAND "leveldb_tests")
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function(leveldb_test test_file)
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get_filename_component(test_target_name "${test_file}" NAME_WE)
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add_executable("${test_target_name}" "")
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target_sources("${test_target_name}"
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PRIVATE
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"${PROJECT_BINARY_DIR}/${LEVELDB_PORT_CONFIG_DIR}/port_config.h"
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"util/testutil.cc"
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"util/testutil.h"
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"${test_file}"
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)
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target_link_libraries("${test_target_name}" leveldb gmock gtest)
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target_compile_definitions("${test_target_name}"
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PRIVATE
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${LEVELDB_PLATFORM_NAME}=1
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)
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if (NOT HAVE_CXX17_HAS_INCLUDE)
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target_compile_definitions("${test_target_name}"
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PRIVATE
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LEVELDB_HAS_PORT_CONFIG_H=1
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)
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endif(NOT HAVE_CXX17_HAS_INCLUDE)
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add_test(NAME "${test_target_name}" COMMAND "${test_target_name}")
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endfunction(leveldb_test)
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leveldb_test("db/c_test.c")
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if(NOT BUILD_SHARED_LIBS)
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# TODO(costan): This test also uses
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# "util/env_{posix|windows}_test_helper.h"
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if (WIN32)
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leveldb_test("util/env_windows_test.cc")
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else (WIN32)
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leveldb_test("util/env_posix_test.cc")
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endif (WIN32)
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endif(NOT BUILD_SHARED_LIBS)
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endif(LEVELDB_BUILD_TESTS)
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if(LEVELDB_BUILD_BENCHMARKS)
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# This project uses Google benchmark for benchmarking.
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set(BENCHMARK_ENABLE_TESTING OFF CACHE BOOL "" FORCE)
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set(BENCHMARK_ENABLE_EXCEPTIONS OFF CACHE BOOL "" FORCE)
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add_subdirectory("third_party/benchmark")
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|
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function(leveldb_benchmark bench_file)
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get_filename_component(bench_target_name "${bench_file}" NAME_WE)
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add_executable("${bench_target_name}" "")
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target_sources("${bench_target_name}"
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PRIVATE
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"${PROJECT_BINARY_DIR}/${LEVELDB_PORT_CONFIG_DIR}/port_config.h"
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"util/histogram.cc"
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"util/histogram.h"
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"util/testutil.cc"
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"util/testutil.h"
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"${bench_file}"
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)
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|
target_link_libraries("${bench_target_name}" leveldb gmock gtest benchmark)
|
|
target_compile_definitions("${bench_target_name}"
|
|
PRIVATE
|
|
${LEVELDB_PLATFORM_NAME}=1
|
|
)
|
|
if (NOT HAVE_CXX17_HAS_INCLUDE)
|
|
target_compile_definitions("${bench_target_name}"
|
|
PRIVATE
|
|
LEVELDB_HAS_PORT_CONFIG_H=1
|
|
)
|
|
endif(NOT HAVE_CXX17_HAS_INCLUDE)
|
|
endfunction(leveldb_benchmark)
|
|
|
|
if(NOT BUILD_SHARED_LIBS)
|
|
leveldb_benchmark("benchmarks/db_bench.cc")
|
|
endif(NOT BUILD_SHARED_LIBS)
|
|
|
|
check_library_exists(sqlite3 sqlite3_open "" HAVE_SQLITE3)
|
|
if(HAVE_SQLITE3)
|
|
leveldb_benchmark("benchmarks/db_bench_sqlite3.cc")
|
|
target_link_libraries(db_bench_sqlite3 sqlite3)
|
|
endif(HAVE_SQLITE3)
|
|
|
|
# check_library_exists is insufficient here because the library names have
|
|
# different manglings when compiled with clang or gcc, at least when installed
|
|
# with Homebrew on Mac.
|
|
set(OLD_CMAKE_REQURED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES})
|
|
list(APPEND CMAKE_REQUIRED_LIBRARIES kyotocabinet)
|
|
check_cxx_source_compiles("
|
|
#include <kcpolydb.h>
|
|
|
|
int main() {
|
|
kyotocabinet::TreeDB* db = new kyotocabinet::TreeDB();
|
|
delete db;
|
|
return 0;
|
|
}
|
|
" HAVE_KYOTOCABINET)
|
|
set(CMAKE_REQUIRED_LIBRARIES ${OLD_CMAKE_REQURED_LIBRARIES})
|
|
if(HAVE_KYOTOCABINET)
|
|
leveldb_benchmark("benchmarks/db_bench_tree_db.cc")
|
|
target_link_libraries(db_bench_tree_db kyotocabinet)
|
|
endif(HAVE_KYOTOCABINET)
|
|
endif(LEVELDB_BUILD_BENCHMARKS)
|
|
|
|
if(LEVELDB_INSTALL)
|
|
install(TARGETS leveldb
|
|
EXPORT leveldbTargets
|
|
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
|
|
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
|
|
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
|
|
)
|
|
install(
|
|
FILES
|
|
"${LEVELDB_PUBLIC_INCLUDE_DIR}/c.h"
|
|
"${LEVELDB_PUBLIC_INCLUDE_DIR}/cache.h"
|
|
"${LEVELDB_PUBLIC_INCLUDE_DIR}/comparator.h"
|
|
"${LEVELDB_PUBLIC_INCLUDE_DIR}/db.h"
|
|
"${LEVELDB_PUBLIC_INCLUDE_DIR}/dumpfile.h"
|
|
"${LEVELDB_PUBLIC_INCLUDE_DIR}/env.h"
|
|
"${LEVELDB_PUBLIC_INCLUDE_DIR}/export.h"
|
|
"${LEVELDB_PUBLIC_INCLUDE_DIR}/filter_policy.h"
|
|
"${LEVELDB_PUBLIC_INCLUDE_DIR}/iterator.h"
|
|
"${LEVELDB_PUBLIC_INCLUDE_DIR}/options.h"
|
|
"${LEVELDB_PUBLIC_INCLUDE_DIR}/slice.h"
|
|
"${LEVELDB_PUBLIC_INCLUDE_DIR}/status.h"
|
|
"${LEVELDB_PUBLIC_INCLUDE_DIR}/table_builder.h"
|
|
"${LEVELDB_PUBLIC_INCLUDE_DIR}/table.h"
|
|
"${LEVELDB_PUBLIC_INCLUDE_DIR}/write_batch.h"
|
|
DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/leveldb"
|
|
)
|
|
|
|
include(CMakePackageConfigHelpers)
|
|
configure_package_config_file(
|
|
"cmake/${PROJECT_NAME}Config.cmake.in"
|
|
"${PROJECT_BINARY_DIR}/cmake/${PROJECT_NAME}Config.cmake"
|
|
INSTALL_DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}"
|
|
)
|
|
write_basic_package_version_file(
|
|
"${PROJECT_BINARY_DIR}/cmake/${PROJECT_NAME}ConfigVersion.cmake"
|
|
COMPATIBILITY SameMajorVersion
|
|
)
|
|
install(
|
|
EXPORT leveldbTargets
|
|
NAMESPACE leveldb::
|
|
DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}"
|
|
)
|
|
install(
|
|
FILES
|
|
"${PROJECT_BINARY_DIR}/cmake/${PROJECT_NAME}Config.cmake"
|
|
"${PROJECT_BINARY_DIR}/cmake/${PROJECT_NAME}ConfigVersion.cmake"
|
|
DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}"
|
|
)
|
|
endif(LEVELDB_INSTALL)
|