Quellcode durchsuchen

Add CMake build support.

Fixes https://github.com/google/leveldb/issues/466

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=189425354
xry
costan vor 6 Jahren
committed von Victor Costan
Ursprung
Commit
739c25100e
8 geänderte Dateien mit 493 neuen und 47 gelöschten Zeilen
  1. +16
    -1
      .travis.yml
  2. +412
    -0
      CMakeLists.txt
  3. +1
    -0
      cmake/LeveldbConfig.cmake
  4. +3
    -0
      db/dumpfile.cc
  5. +3
    -1
      helpers/memenv/memenv.h
  6. +3
    -3
      include/leveldb/export.h
  7. +36
    -0
      port/port_config.h.in
  8. +19
    -42
      port/port_posix.h

+ 16
- 1
.travis.yml Datei anzeigen

@ -13,6 +13,10 @@ os:
- linux
- osx
env:
- BUILD_TYPE=Debug
- BUILD_TYPE=RelWithDebInfo
addons:
apt:
# List of whitelisted in travis packages for ubuntu-trusty can be found here:
@ -23,6 +27,7 @@ addons:
- ubuntu-toolchain-r-test
- llvm-toolchain-trusty-5.0
packages:
- cmake
- gcc-7
- g++-7
- clang-5.0
@ -49,6 +54,16 @@ install:
- echo ${CC}
- echo ${CXX}
- ${CXX} --version
- cmake --version
before_script:
- mkdir -p build && cd build
- cmake .. -DCMAKE_BUILD_TYPE=$BUILD_TYPE
- cmake --build .
- cd ..
script:
- make -j 4 check
- cd build ; ctest --verbose ; cd ..
- "if [ -f build/db_bench ] ; then build/db_bench ; fi"
- "if [ -f build/db_bench_sqlite3 ] ; then build/db_bench_sqlite3 ; fi"
- "if [ -f build/db_bench_tree_db ] ; then build/db_bench_tree_db ; fi"

+ 412
- 0
CMakeLists.txt Datei anzeigen

@ -0,0 +1,412 @@
# Copyright 2017 The LevelDB Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file. See the AUTHORS file for names of contributors.
cmake_minimum_required(VERSION 3.9)
project(Leveldb VERSION 0.1.0 LANGUAGES C CXX)
# This project can take advantage of C++11.
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED OFF)
set(CMAKE_CXX_EXTENSIONS OFF)
option(LEVELDB_BUILD_TESTS "Build LevelDB's unit tests" ON)
option(LEVELDB_BUILD_BENCHMARKS "Build LevelDB's benchmarks" ON)
option(LEVELDB_INSTALL "Install LevelDB's header and library" ON)
include(TestBigEndian)
test_big_endian(LEVELDB_IS_BIG_ENDIAN)
include(CheckIncludeFile)
check_include_file("unistd.h" HAVE_UNISTD_H)
include(CheckIncludeFileCXX)
check_include_file_cxx("atomic" LEVELDB_ATOMIC_PRESENT)
include(CheckLibraryExists)
check_library_exists(crc32c crc32c_value "" HAVE_CRC32C)
check_library_exists(snappy snappy_compress "" HAVE_SNAPPY)
check_library_exists(tcmalloc malloc "" HAVE_TCMALLOC)
include(CheckSymbolExists)
check_symbol_exists(fdatasync "unistd.h" HAVE_FDATASYNC)
include(CheckCXXSourceCompiles)
# Test whether -Wthread-safety is available. See
# https://clang.llvm.org/docs/ThreadSafetyAnalysis.html
# -Werror is necessary because unknown attributes only generate warnings.
set(OLD_CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS})
list(APPEND CMAKE_REQUIRED_FLAGS -Werror -Wthread-safety)
check_cxx_source_compiles("
struct __attribute__((lockable)) Lock {
void Acquire() __attribute__((exclusive_lock_function()));
void Release() __attribute__((unlock_function()));
};
struct ThreadSafeType {
Lock lock_;
int data_ __attribute__((guarded_by(lock_)));
};
int main() { return 0; }
" HAVE_CLANG_THREAD_SAFETY)
set(CMAKE_REQUIRED_FLAGS ${OLD_CMAKE_REQUIRED_FLAGS})
set(LEVELDB_PUBLIC_INCLUDE_DIR "include/leveldb")
set(LEVELDB_PORT_CONFIG_DIR "include/port")
configure_file(
"${PROJECT_SOURCE_DIR}/port/port_config.h.in"
"${PROJECT_BINARY_DIR}/${LEVELDB_PORT_CONFIG_DIR}/port_config.h"
)
include_directories(
"${PROJECT_BINARY_DIR}/include"
"${PROJECT_SOURCE_DIR}"
)
if(BUILD_SHARED_LIBS)
# Only export LEVELDB_EXPORT symbols from the shared library.
add_compile_options(-fvisibility=hidden)
endif(BUILD_SHARED_LIBS)
# POSIX code is specified separately so we can leave it out in the future.
add_library(leveldb_port_posix OBJECT "")
target_sources(leveldb_port_posix
PRIVATE
"${PROJECT_SOURCE_DIR}/port/port_posix.cc"
PUBLIC
# The headers below are dependencies for leveldb, but aren't needed by users
# that link to the installed version of leveldb and rely on its public API.
$<BUILD_INTERFACE:${PROJECT_BINARY_DIR}/${LEVELDB_PORT_CONFIG_DIR}/port_config.h>
$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/port/atomic_pointer.h>
$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/port/port_posix.h>
$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/port/port.h>
)
if(BUILD_SHARED_LIBS)
set_property(TARGET leveldb_port_posix PROPERTY POSITION_INDEPENDENT_CODE ON)
endif(BUILD_SHARED_LIBS)
add_library(leveldb "")
target_sources(leveldb
PRIVATE
"${PROJECT_SOURCE_DIR}/db/builder.cc"
"${PROJECT_SOURCE_DIR}/db/builder.h"
"${PROJECT_SOURCE_DIR}/db/c.cc"
"${PROJECT_SOURCE_DIR}/db/db_impl.cc"
"${PROJECT_SOURCE_DIR}/db/db_impl.h"
"${PROJECT_SOURCE_DIR}/db/db_iter.cc"
"${PROJECT_SOURCE_DIR}/db/db_iter.h"
"${PROJECT_SOURCE_DIR}/db/dbformat.cc"
"${PROJECT_SOURCE_DIR}/db/dbformat.h"
"${PROJECT_SOURCE_DIR}/db/dumpfile.cc"
"${PROJECT_SOURCE_DIR}/db/filename.cc"
"${PROJECT_SOURCE_DIR}/db/filename.h"
"${PROJECT_SOURCE_DIR}/db/log_format.h"
"${PROJECT_SOURCE_DIR}/db/log_reader.cc"
"${PROJECT_SOURCE_DIR}/db/log_reader.h"
"${PROJECT_SOURCE_DIR}/db/log_writer.cc"
"${PROJECT_SOURCE_DIR}/db/log_writer.h"
"${PROJECT_SOURCE_DIR}/db/memtable.cc"
"${PROJECT_SOURCE_DIR}/db/memtable.h"
"${PROJECT_SOURCE_DIR}/db/repair.cc"
"${PROJECT_SOURCE_DIR}/db/skiplist.h"
"${PROJECT_SOURCE_DIR}/db/snapshot.h"
"${PROJECT_SOURCE_DIR}/db/table_cache.cc"
"${PROJECT_SOURCE_DIR}/db/table_cache.h"
"${PROJECT_SOURCE_DIR}/db/version_edit.cc"
"${PROJECT_SOURCE_DIR}/db/version_edit.h"
"${PROJECT_SOURCE_DIR}/db/version_set.cc"
"${PROJECT_SOURCE_DIR}/db/version_set.h"
"${PROJECT_SOURCE_DIR}/db/write_batch_internal.h"
"${PROJECT_SOURCE_DIR}/db/write_batch.cc"
"${PROJECT_SOURCE_DIR}/port/port.h"
"${PROJECT_SOURCE_DIR}/port/thread_annotations.h"
"${PROJECT_SOURCE_DIR}/table/block_builder.cc"
"${PROJECT_SOURCE_DIR}/table/block_builder.h"
"${PROJECT_SOURCE_DIR}/table/block.cc"
"${PROJECT_SOURCE_DIR}/table/block.h"
"${PROJECT_SOURCE_DIR}/table/filter_block.cc"
"${PROJECT_SOURCE_DIR}/table/filter_block.h"
"${PROJECT_SOURCE_DIR}/table/format.cc"
"${PROJECT_SOURCE_DIR}/table/format.h"
"${PROJECT_SOURCE_DIR}/table/iterator_wrapper.h"
"${PROJECT_SOURCE_DIR}/table/iterator.cc"
"${PROJECT_SOURCE_DIR}/table/merger.cc"
"${PROJECT_SOURCE_DIR}/table/merger.h"
"${PROJECT_SOURCE_DIR}/table/table_builder.cc"
"${PROJECT_SOURCE_DIR}/table/table.cc"
"${PROJECT_SOURCE_DIR}/table/two_level_iterator.cc"
"${PROJECT_SOURCE_DIR}/table/two_level_iterator.h"
"${PROJECT_SOURCE_DIR}/util/arena.cc"
"${PROJECT_SOURCE_DIR}/util/arena.h"
"${PROJECT_SOURCE_DIR}/util/bloom.cc"
"${PROJECT_SOURCE_DIR}/util/cache.cc"
"${PROJECT_SOURCE_DIR}/util/coding.cc"
"${PROJECT_SOURCE_DIR}/util/coding.h"
"${PROJECT_SOURCE_DIR}/util/comparator.cc"
"${PROJECT_SOURCE_DIR}/util/crc32c.cc"
"${PROJECT_SOURCE_DIR}/util/crc32c.h"
"${PROJECT_SOURCE_DIR}/util/env_posix.cc"
"${PROJECT_SOURCE_DIR}/util/env.cc"
"${PROJECT_SOURCE_DIR}/util/filter_policy.cc"
"${PROJECT_SOURCE_DIR}/util/hash.cc"
"${PROJECT_SOURCE_DIR}/util/hash.h"
"${PROJECT_SOURCE_DIR}/util/logging.cc"
"${PROJECT_SOURCE_DIR}/util/logging.h"
"${PROJECT_SOURCE_DIR}/util/mutexlock.h"
"${PROJECT_SOURCE_DIR}/util/options.cc"
"${PROJECT_SOURCE_DIR}/util/posix_logger.h"
"${PROJECT_SOURCE_DIR}/util/random.h"
"${PROJECT_SOURCE_DIR}/util/status.cc"
$<TARGET_OBJECTS:leveldb_port_posix>
# Only CMake 3.3+ supports PUBLIC sources in targets exported by "install".
$<$<VERSION_GREATER:CMAKE_VERSION,3.2>:PUBLIC>
"${LEVELDB_PUBLIC_INCLUDE_DIR}/c.h"
"${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"
"${LEVELDB_PUBLIC_INCLUDE_DIR}/filter_policy.h"
"${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"
)
# MemEnv is not part of the interface and could be pulled to a separate library.
target_sources(leveldb
PRIVATE
"${PROJECT_SOURCE_DIR}/helpers/memenv/memenv.cc"
"${PROJECT_SOURCE_DIR}/helpers/memenv/memenv.h"
)
target_include_directories(leveldb
PUBLIC
$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include>
$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
)
target_compile_definitions(leveldb
PRIVATE
# Used by include/export.h when building shared libraries.
LEVELDB_COMPILE_LIBRARY
# Used by port/port.h.
LEVELDB_PLATFORM_POSIX=1
)
if(BUILD_SHARED_LIBS)
target_compile_definitions(leveldb
PUBLIC
# Used by include/export.h.
LEVELDB_SHARED_LIBRARY
)
endif(BUILD_SHARED_LIBS)
if(HAVE_CLANG_THREAD_SAFETY)
target_compile_options(leveldb
PUBLIC
-Werror -Wthread-safety)
endif(HAVE_CLANG_THREAD_SAFETY)
# TODO(costan): This is only needed for port_posix.
set(THREADS_PREFER_PTHREAD_FLAG ON)
find_package(Threads REQUIRED)
target_link_libraries(leveldb Threads::Threads)
if(HAVE_CRC32C)
target_link_libraries(leveldb crc32c)
endif(HAVE_CRC32C)
if(HAVE_SNAPPY)
target_link_libraries(leveldb snappy)
endif(HAVE_SNAPPY)
if(HAVE_TCMALLOC)
target_link_libraries(leveldb tcmalloc)
endif(HAVE_TCMALLOC)
add_executable(leveldbutil
"${PROJECT_SOURCE_DIR}/db/leveldbutil.cc"
)
target_link_libraries(leveldbutil leveldb)
if(LEVELDB_BUILD_TESTS)
enable_testing()
function(leveldb_test test_file)
get_filename_component(test_target_name "${test_file}" NAME_WE)
add_executable("${test_target_name}" "")
target_sources("${test_target_name}"
PRIVATE
"${PROJECT_BINARY_DIR}/${LEVELDB_PORT_CONFIG_DIR}/port_config.h"
"${PROJECT_SOURCE_DIR}/util/testharness.cc"
"${PROJECT_SOURCE_DIR}/util/testharness.h"
"${PROJECT_SOURCE_DIR}/util/testutil.cc"
"${PROJECT_SOURCE_DIR}/util/testutil.h"
"${test_file}"
)
if(BUILD_SHARED_LIBS)
# Port functions aren't exposed in the shared library build.
target_sources("${test_target_name}"
PRIVATE
$<TARGET_OBJECTS:leveldb_port_posix>
)
endif(BUILD_SHARED_LIBS)
target_link_libraries("${test_target_name}" leveldb)
target_compile_definitions("${test_target_name}"
PRIVATE
LEVELDB_PLATFORM_POSIX=1
)
add_test(NAME "${test_target_name}" COMMAND "${test_target_name}")
endfunction(leveldb_test)
leveldb_test("${PROJECT_SOURCE_DIR}/db/c_test.c")
leveldb_test("${PROJECT_SOURCE_DIR}/db/fault_injection_test.cc")
leveldb_test("${PROJECT_SOURCE_DIR}/issues/issue178_test.cc")
leveldb_test("${PROJECT_SOURCE_DIR}/issues/issue200_test.cc")
leveldb_test("${PROJECT_SOURCE_DIR}/util/env_test.cc")
if(NOT BUILD_SHARED_LIBS)
leveldb_test("${PROJECT_SOURCE_DIR}/db/autocompact_test.cc")
leveldb_test("${PROJECT_SOURCE_DIR}/db/corruption_test.cc")
leveldb_test("${PROJECT_SOURCE_DIR}/db/db_test.cc")
leveldb_test("${PROJECT_SOURCE_DIR}/db/dbformat_test.cc")
leveldb_test("${PROJECT_SOURCE_DIR}/db/filename_test.cc")
leveldb_test("${PROJECT_SOURCE_DIR}/db/log_test.cc")
leveldb_test("${PROJECT_SOURCE_DIR}/db/recovery_test.cc")
leveldb_test("${PROJECT_SOURCE_DIR}/db/skiplist_test.cc")
leveldb_test("${PROJECT_SOURCE_DIR}/db/version_edit_test.cc")
leveldb_test("${PROJECT_SOURCE_DIR}/db/version_set_test.cc")
leveldb_test("${PROJECT_SOURCE_DIR}/db/write_batch_test.cc")
leveldb_test("${PROJECT_SOURCE_DIR}/helpers/memenv/memenv_test.cc")
leveldb_test("${PROJECT_SOURCE_DIR}/table/filter_block_test.cc")
leveldb_test("${PROJECT_SOURCE_DIR}/table/table_test.cc")
leveldb_test("${PROJECT_SOURCE_DIR}/util/arena_test.cc")
leveldb_test("${PROJECT_SOURCE_DIR}/util/bloom_test.cc")
leveldb_test("${PROJECT_SOURCE_DIR}/util/cache_test.cc")
leveldb_test("${PROJECT_SOURCE_DIR}/util/coding_test.cc")
leveldb_test("${PROJECT_SOURCE_DIR}/util/crc32c_test.cc")
leveldb_test("${PROJECT_SOURCE_DIR}/util/hash_test.cc")
# TODO(costan): This test also uses
# "${PROJECT_SOURCE_DIR}/util/env_posix_test_helper.h"
leveldb_test("${PROJECT_SOURCE_DIR}/util/env_posix_test.cc")
endif(NOT BUILD_SHARED_LIBS)
endif(LEVELDB_BUILD_TESTS)
if(LEVELDB_BUILD_BENCHMARKS)
function(leveldb_benchmark bench_file)
get_filename_component(bench_target_name "${bench_file}" NAME_WE)
add_executable("${bench_target_name}" "")
target_sources("${bench_target_name}"
PRIVATE
"${PROJECT_BINARY_DIR}/${LEVELDB_PORT_CONFIG_DIR}/port_config.h"
"${PROJECT_SOURCE_DIR}/util/histogram.cc"
"${PROJECT_SOURCE_DIR}/util/histogram.h"
"${PROJECT_SOURCE_DIR}/util/testharness.cc"
"${PROJECT_SOURCE_DIR}/util/testharness.h"
"${PROJECT_SOURCE_DIR}/util/testutil.cc"
"${PROJECT_SOURCE_DIR}/util/testutil.h"
"${bench_file}"
)
if(BUILD_SHARED_LIBS)
# Port functions aren't exposed in the shared library build.
target_sources("${bench_target_name}"
PRIVATE
$<TARGET_OBJECTS:leveldb_port_posix>
)
endif(BUILD_SHARED_LIBS)
target_link_libraries("${bench_target_name}" leveldb)
target_compile_definitions("${bench_target_name}"
PRIVATE
LEVELDB_PLATFORM_POSIX=1
)
endfunction(leveldb_benchmark)
if(NOT BUILD_SHARED_LIBS)
leveldb_benchmark("${PROJECT_SOURCE_DIR}/db/db_bench.cc")
endif(NOT BUILD_SHARED_LIBS)
check_library_exists(sqlite3 sqlite3_open "" HAVE_SQLITE3)
if(HAVE_SQLITE3)
leveldb_benchmark("${PROJECT_SOURCE_DIR}/doc/bench/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 ${OLD_CMAKE_REQURED_LIBRARIES})
if(HAVE_KYOTOCABINET)
leveldb_benchmark("${PROJECT_SOURCE_DIR}/doc/bench/db_bench_tree_db.cc")
target_link_libraries(db_bench_tree_db kyotocabinet)
endif(HAVE_KYOTOCABINET)
endif(LEVELDB_BUILD_BENCHMARKS)
if(LEVELDB_INSTALL)
include(GNUInstallDirs)
install(TARGETS leveldb
EXPORT LeveldbTargets
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
)
install(
FILES
"${PROJECT_SOURCE_DIR}/${LEVELDB_PUBLIC_INCLUDE_DIR}/c.h"
"${PROJECT_SOURCE_DIR}/${LEVELDB_PUBLIC_INCLUDE_DIR}/cache.h"
"${PROJECT_SOURCE_DIR}/${LEVELDB_PUBLIC_INCLUDE_DIR}/comparator.h"
"${PROJECT_SOURCE_DIR}/${LEVELDB_PUBLIC_INCLUDE_DIR}/db.h"
"${PROJECT_SOURCE_DIR}/${LEVELDB_PUBLIC_INCLUDE_DIR}/dumpfile.h"
"${PROJECT_SOURCE_DIR}/${LEVELDB_PUBLIC_INCLUDE_DIR}/env.h"
"${PROJECT_SOURCE_DIR}/${LEVELDB_PUBLIC_INCLUDE_DIR}/filter_policy.h"
"${PROJECT_SOURCE_DIR}/${LEVELDB_PUBLIC_INCLUDE_DIR}/iterator.h"
"${PROJECT_SOURCE_DIR}/${LEVELDB_PUBLIC_INCLUDE_DIR}/options.h"
"${PROJECT_SOURCE_DIR}/${LEVELDB_PUBLIC_INCLUDE_DIR}/slice.h"
"${PROJECT_SOURCE_DIR}/${LEVELDB_PUBLIC_INCLUDE_DIR}/status.h"
"${PROJECT_SOURCE_DIR}/${LEVELDB_PUBLIC_INCLUDE_DIR}/table_builder.h"
"${PROJECT_SOURCE_DIR}/${LEVELDB_PUBLIC_INCLUDE_DIR}/table.h"
"${PROJECT_SOURCE_DIR}/${LEVELDB_PUBLIC_INCLUDE_DIR}/write_batch.h"
DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/leveldb
)
include(CMakePackageConfigHelpers)
write_basic_package_version_file(
"${PROJECT_BINARY_DIR}/LeveldbConfigVersion.cmake"
COMPATIBILITY SameMajorVersion
)
install(
EXPORT LeveldbTargets
NAMESPACE Leveldb::
DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/Leveldb"
)
install(
FILES
"${PROJECT_SOURCE_DIR}/cmake/LeveldbConfig.cmake"
"${PROJECT_BINARY_DIR}/LeveldbConfigVersion.cmake"
DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/Leveldb"
)
endif(LEVELDB_INSTALL)

+ 1
- 0
cmake/LeveldbConfig.cmake Datei anzeigen

@ -0,0 +1 @@
include("${CMAKE_CURRENT_LIST_DIR}/LeveldbTargets.cmake")

+ 3
- 0
db/dumpfile.cc Datei anzeigen

@ -2,7 +2,10 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file. See the AUTHORS file for names of contributors.
#include "leveldb/dumpfile.h"
#include <stdio.h>
#include "db/dbformat.h"
#include "db/filename.h"
#include "db/log_reader.h"

+ 3
- 1
helpers/memenv/memenv.h Datei anzeigen

@ -5,6 +5,8 @@
#ifndef STORAGE_LEVELDB_HELPERS_MEMENV_MEMENV_H_
#define STORAGE_LEVELDB_HELPERS_MEMENV_MEMENV_H_
#include "leveldb/export.h"
namespace leveldb {
class Env;
@ -13,7 +15,7 @@ class Env;
// all non-file-storage tasks to base_env. The caller must delete the result
// when it is no longer needed.
// *base_env must remain live while the result is in use.
Env* NewMemEnv(Env* base_env);
LEVELDB_EXPORT Env* NewMemEnv(Env* base_env);
} // namespace leveldb

+ 3
- 3
include/leveldb/export.h Datei anzeigen

@ -8,7 +8,7 @@
#if !defined(LEVELDB_EXPORT)
#if defined(LEVELDB_SHARED_LIBRARY)
#if defined(OS_WIN)
#if defined(_WIN32)
#if defined(LEVELDB_COMPILE_LIBRARY)
#define LEVELDB_EXPORT __declspec(dllexport)
@ -16,13 +16,13 @@
#define LEVELDB_EXPORT __declspec(dllimport)
#endif // defined(LEVELDB_COMPILE_LIBRARY)
#else // defined(OS_WIN)
#else // defined(_WIN32)
#if defined(LEVELDB_COMPILE_LIBRARY)
#define LEVELDB_EXPORT __attribute__((visibility("default")))
#else
#define LEVELDB_EXPORT
#endif
#endif // defined(OS_WIN)
#endif // defined(_WIN32)
#else // defined(LEVELDB_SHARED_LIBRARY)
#define LEVELDB_EXPORT

+ 36
- 0
port/port_config.h.in Datei anzeigen

@ -0,0 +1,36 @@
// Copyright 2017 The LevelDB Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file. See the AUTHORS file for names of contributors.
#ifndef STORAGE_LEVELDB_PORT_PORT_CONFIG_H_
#define STORAGE_LEVELDB_PORT_PORT_CONFIG_H_
// Define to 1 if you have a definition for fdatasync() in <unistd.h>.
#if !defined(HAVE_FUNC_FDATASYNC)
#cmakedefine01 HAVE_FUNC_FDATASYNC
#endif // !defined(HAVE_FUNC_FDATASYNC)
// Define to 1 if you have Google CRC32C.
#if !defined(HAVE_CRC32C)
#cmakedefine01 HAVE_CRC32C
#endif // !defined(HAVE_CRC32C)
// Define to 1 if you have Google Snappy.
#if !defined(HAVE_SNAPPY)
#cmakedefine01 HAVE_SNAPPY
#endif // !defined(HAVE_SNAPPY)
// Define to 1 if your processor stores words with the most significant byte
// first (like Motorola and SPARC, unlike Intel and VAX).
#if !defined(LEVELDB_IS_BIG_ENDIAN)
#cmakedefine01 LEVELDB_IS_BIG_ENDIAN
#endif // !defined(LEVELDB_IS_BIG_ENDIAN)
// Define to 1 if you have the <atomic> header.
// NOTE: <atomic> was standardized in C++11, which will be required to build
// LevelDB soon.
#if !defined(LEVELDB_ATOMIC_PRESENT)
#cmakedefine01 LEVELDB_ATOMIC_PRESENT
#endif // !defined(LEVELDB_ATOMIC_PRESENT)
#endif // STORAGE_LEVELDB_PORT_PORT_CONFIG_H_

+ 19
- 42
port/port_posix.h Datei anzeigen

@ -7,36 +7,22 @@
#ifndef STORAGE_LEVELDB_PORT_PORT_POSIX_H_
#define STORAGE_LEVELDB_PORT_PORT_POSIX_H_
#undef PLATFORM_IS_LITTLE_ENDIAN
#if defined(__APPLE__)
#include <machine/endian.h>
#if defined(__DARWIN_LITTLE_ENDIAN) && defined(__DARWIN_BYTE_ORDER)
#define PLATFORM_IS_LITTLE_ENDIAN \
(__DARWIN_BYTE_ORDER == __DARWIN_LITTLE_ENDIAN)
#endif
#elif defined(OS_SOLARIS)
#include <sys/isa_defs.h>
#ifdef _LITTLE_ENDIAN
#define PLATFORM_IS_LITTLE_ENDIAN true
#else
#define PLATFORM_IS_LITTLE_ENDIAN false
#endif
#elif defined(OS_FREEBSD) || defined(OS_OPENBSD) ||\
defined(OS_NETBSD) || defined(OS_DRAGONFLYBSD)
#include <sys/types.h>
#include <sys/endian.h>
#define PLATFORM_IS_LITTLE_ENDIAN (_BYTE_ORDER == _LITTLE_ENDIAN)
#elif defined(OS_HPUX)
#define PLATFORM_IS_LITTLE_ENDIAN false
#elif defined(OS_ANDROID)
// Due to a bug in the NDK x86 <sys/endian.h> definition,
// _BYTE_ORDER must be used instead of __BYTE_ORDER on Android.
// See http://code.google.com/p/android/issues/detail?id=39824
#include <endian.h>
#define PLATFORM_IS_LITTLE_ENDIAN (_BYTE_ORDER == _LITTLE_ENDIAN)
#else
#include <endian.h>
#endif
// port/port_config.h availability is automatically detected via __has_include
// in newer compilers. If LEVELDB_HAS_PORT_CONFIG_H is defined, it overrides the
// configuration detection.
#if defined(LEVELDB_HAS_PORT_CONFIG_H)
#if LEVELDB_HAS_PORT_CONFIG_H
#include "port/port_config.h"
#endif // LEVELDB_HAS_PORT_CONFIG_H
#elif defined(__has_include)
#if __has_include("port/port_config.h")
#include "port/port_config.h"
#endif // __has_include("port/port_config.h")
#endif // defined(LEVELDB_HAS_PORT_CONFIG_H)
#include <pthread.h>
#if HAVE_CRC32C
@ -54,23 +40,14 @@
#define PLATFORM_IS_LITTLE_ENDIAN (__BYTE_ORDER == __LITTLE_ENDIAN)
#endif
#if defined(__APPLE__) || defined(OS_FREEBSD) ||\
defined(OS_OPENBSD) || defined(OS_DRAGONFLYBSD)
// Use fsync() on platforms without fdatasync()
#if !HAVE_FDATASYNC
#define fdatasync fsync
#endif
#if defined(OS_ANDROID) && __ANDROID_API__ < 9
// fdatasync() was only introduced in API level 9 on Android. Use fsync()
// when targetting older platforms.
#define fdatasync fsync
#endif
#endif // !HAVE_FDATASYNC
namespace leveldb {
namespace port {
static const bool kLittleEndian = PLATFORM_IS_LITTLE_ENDIAN;
#undef PLATFORM_IS_LITTLE_ENDIAN
static const bool kLittleEndian = !LEVELDB_IS_BIG_ENDIAN;
class CondVar;

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