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CMakeLists.txt
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CMakeLists.txt
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# We need 3.8 for set(CMAKE_CXX_STANDARD 17)
cmake_minimum_required(VERSION 3.8)
project(BLOC)
# Required for finding Threads on ARM
enable_language(C)
enable_language(CXX)
find_package(Threads)
set(VERSION "0.1")
## This section describes our general CMake setup options
set_property(GLOBAL PROPERTY USE_FOLDERS ON)
set(CMAKE_CONFIGURATION_TYPES Debug RelWithDebInfo Release CACHE TYPE INTERNAL)
set(CMAKE_BUILD_TYPE Release CACHE STRING "Choose the type of build, options are: Debug, Release, RelWithDebInfo")
set(CMAKE_SKIP_INSTALL_RULES OFF FORCE)
set(CMAKE_SKIP_PACKAGE_ALL_DEPENDENCY ON FORCE)
set(CMAKE_SUPPRESS_REGENERATION ON)
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
# Enable c++17
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
## This section is specifically for RocksDB build options that we've disabled for maximum portability
set(ENABLE_AVX OFF CACHE STRING "Enable RocksDB AVX/AVX2? Defaults to OFF")
set(ENABLE_LEAF_FRAME OFF CACHE STRING "Enable RocksDB OMIT_LEAF_FRAME_POINTER detection? Defaults to OFF")
set(ENABLE_SSE42 OFF CACHE STRING "Enable RocksDB SSE4.2 support detection? Defaults to OFF")
set(ENABLE_THREAD_LOCAL OFF CACHE STRING "Enable RocksDB THREAD_LOCAL support detection? Defaults to OFF")
set(ENABLE_SYNC_FILE_RANGE_WRITE OFF CACHE STRING "Enable RocksDB SYNC_FILE_RANGE_WRITE support detection? Defaults to OFF")
set(ENABLE_PTHREAD_MUTEX_ADAPTIVE_NP OFF CACHE STRING "Enable RocksDB PTHREAD_MUTEX_ADAPTIVE_NP support detection? Defaults to OFF")
set(ENABLE_MALLOC_USABLE_SIZE OFF CACHE STRING "Enable RocksDB MALLOC_USABLE_SIZE support detection? Defaults to OFF")
set(ENABLE_SCHED_GETCPU OFF CACHE STRING "Enable RocksDB SCHED_GETCPU support detection? Defaults to OFF")
# We need to set the label and import it into CMake if it exists
set(LABEL "")
if(DEFINED ENV{LABEL})
set(LABEL $ENV{LABEL})
message(STATUS "Found LABEL: ${LABEL}")
endif()
# We do not support 32-bit builds. When and if we do, this can be removed.
if(NOT CMAKE_SIZEOF_VOID_P EQUAL 8)
message(FATAL_ERROR "Targeting a 32-bit architecture is not supported.")
endif()
## We only build static binaries -- this is left here for our dependencies
set(STATIC ON CACHE BOOL FORCE "Link libraries statically? Forced to ON")
# This section helps us set up RocksDB for maximum portability
set(ENABLE_AVX OFF CACHE STRING "Enable RocksDB AVX/AVX2 support detection? Defaults to OFF")
## This section helps us tag our builds with the git commit information
set(COMMIT_ID_IN_VERSION ON CACHE BOOL "Include commit ID in version")
file(MAKE_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/version")
if (NOT COMMIT_ID_IN_VERSION)
set(VERSION "${VERSION}-unknown")
configure_file("${CMAKE_CURRENT_SOURCE_DIR}/src/version.h.in" "${CMAKE_CURRENT_BINARY_DIR}/version/version.h")
add_custom_target(version ALL)
elseif(DEFINED COMMIT)
string(REPLACE "." "\\." VERSION_RE "${VERSION}")
if(NOT REFS MATCHES "(\\(|, )tag: v${VERSION_RE}(\\)|, )")
set(VERSION "${VERSION}-g${COMMIT}")
endif()
configure_file("${CMAKE_CURRENT_SOURCE_DIR}/src/version.h.in" "${CMAKE_CURRENT_BINARY_DIR}/version/version.h")
add_custom_target(version ALL)
else()
find_package(Git QUIET)
if(Git_FOUND OR GIT_FOUND)
message(STATUS "Found Git: ${GIT_EXECUTABLE}")
add_custom_target(version ALL "${CMAKE_COMMAND}" "-D" "VERSION=${VERSION}" "-D" "GIT=${GIT_EXECUTABLE}" "-D" "TO=${CMAKE_CURRENT_BINARY_DIR}/version/version.h" "-P" "${CMAKE_CURRENT_SOURCE_DIR}/src/version.cmake" WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}")
else()
message(STATUS "WARNING: Git was not found!")
set(VERSION "${VERSION}-unknown")
configure_file("${CMAKE_CURRENT_SOURCE_DIR}/src/version.h.in" "${CMAKE_CURRENT_BINARY_DIR}/version/version.h")
add_custom_target(version ALL)
endif()
endif()
include_directories(include "${CMAKE_CURRENT_BINARY_DIR}/version" src external)
## Platform specific code base information is applied here
if(MSVC)
include_directories(${CMAKE_CURRENT_SOURCE_DIR}/src/Platform/Windows)
add_definitions("/bigobj /MP /W3 /GS- /D_CRT_SECURE_NO_WARNINGS /wd4996 /wd4345 /D_WIN32_WINNT=0x0600 /DWIN32_LEAN_AND_MEAN /DGTEST_HAS_TR1_TUPLE=0 /D_VARIADIC_MAX=8 /D__SSE4_1__")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /STACK:10485760")
foreach(VAR CMAKE_C_FLAGS_DEBUG CMAKE_CXX_FLAGS_DEBUG CMAKE_C_FLAGS_RELWITHDEBINFO CMAKE_CXX_FLAGS_RELWITHDEBINFO CMAKE_C_FLAGS_RELEASE CMAKE_CXX_FLAGS_RELEASE)
string(REPLACE "/MD" "/MT" ${VAR} "${${VAR}}")
endforeach()
include_directories(SYSTEM ${CMAKE_CURRENT_SOURCE_DIR}/src/platform/msc)
elseif(APPLE)
include_directories(SYSTEM /usr/include/malloc)
enable_language(ASM)
include_directories(${CMAKE_CURRENT_SOURCE_DIR}/src/Platform/OSX)
include_directories(${CMAKE_CURRENT_SOURCE_DIR}/src/Platform/Posix)
else()
include_directories(${CMAKE_CURRENT_SOURCE_DIR}/src/Platform/Linux)
include_directories(${CMAKE_CURRENT_SOURCE_DIR}/src/Platform/Posix)
endif()
if(NOT MSVC)
if (${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
# This option has no effect in glibc version less than 2.20.
# Since glibc 2.20 _BSD_SOURCE is deprecated, this macro is recomended instead
add_definitions("-D_DEFAULT_SOURCE -D_GNU_SOURCE")
endif()
## This is here to support building for multiple architecture types... but we all know how well that usually goes...
set(ARCH default CACHE STRING "CPU to build for: -march value or default")
if("${ARCH}" STREQUAL "default")
set(ARCH_FLAG "")
else()
set(ARCH_FLAG "-march=${ARCH}")
endif()
## These options generate all those nice warnings we see while building
set(WARNINGS "-Wall -Wextra -Wpointer-arith -Wvla -Wwrite-strings -Wno-error=extra -Wno-error=unused-function -Wno-error=sign-compare -Wno-error=strict-aliasing -Wno-error=type-limits -Wno-unused-parameter -Wno-error=unused-variable -Wno-error=undef -Wno-error=uninitialized -Wno-error=unused-result")
if(CMAKE_C_COMPILER_ID STREQUAL "Clang")
set(WARNINGS "${WARNINGS} -Wno-error=mismatched-tags -Wno-error=null-conversion -Wno-overloaded-shift-op-parentheses -Wno-error=shift-count-overflow -Wno-error=tautological-constant-out-of-range-compare -Wno-error=unused-private-field -Wno-error=unneeded-internal-declaration -Wno-error=unused-function -Wno-error=missing-braces")
else()
set(WARNINGS "${WARNINGS} -Wlogical-op -Wno-error=maybe-uninitialized -Wno-error=clobbered -Wno-error=unused-but-set-variable")
endif()
if(CMAKE_C_COMPILER_ID STREQUAL "GNU")
set(WARNINGS "${WARNINGS} -Wno-error=odr")
endif()
set(C_WARNINGS "-Waggregate-return -Wnested-externs -Wold-style-definition -Wstrict-prototypes")
set(CXX_WARNINGS "-Wno-reorder -Wno-missing-field-initializers")
if(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "aarch64" OR "${LABEL}" STREQUAL "aarch64")
set(MAES_FLAG "")
elseif(${CMAKE_SYSTEM_PROCESSOR} MATCHES "x86_64" AND NOT "${LABEL}" STREQUAL "aarch64")
set(MAES_FLAG "-maes")
endif()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${STATICASSERTC_FLAG} ${WARNINGS} ${C_WARNINGS} ${ARCH_FLAG} ${MAES_FLAG}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${STATICASSERTCPP_FLAG} ${WARNINGS} ${CXX_WARNINGS} ${ARCH_FLAG} ${MAES_FLAG}")
if(APPLE AND CMAKE_C_COMPILER_ID STREQUAL "GNU")
# Need to build against libc++ instead of libstc++ on apple
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -nostdinc++ -I/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1 -nodefaultlibs -lc++ -lc++abi -lm -lc -lgcc -lgcc_eh")
endif()
if(NOT APPLE)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pthread")
endif()
## Setting up DEBUG flags
if(CMAKE_C_COMPILER_ID STREQUAL "GNU")
set(DEBUG_FLAGS "-g3 -Og -gdwarf-4 -fvar-tracking -fvar-tracking-assignments -fno-inline -fno-omit-frame-pointer")
else()
set(DEBUG_FLAGS "-g3 -O0 -fno-omit-frame-pointer")
endif()
## Setting up RELEASE flags
set(RELEASE_FLAGS "-Ofast -DNDEBUG -Wno-unused-variable")
if(NOT APPLE)
# There is a clang bug that does not allow to compile code that uses AES-NI intrinsics if -flto is enabled
if (CMAKE_C_COMPILER_ID STREQUAL "GNU" AND CMAKE_SYSTEM_NAME STREQUAL "Linux" AND CMAKE_BUILD_TYPE STREQUAL "Release")
# On linux, to build in lto mode, check that ld.gold linker is used: 'update-alternatives --install /usr/bin/ld ld /usr/bin/ld.gold HIGHEST_PRIORITY'
set(CMAKE_AR gcc-ar)
set(CMAKE_RANLIB gcc-ranlib)
endif()
endif()
## Set up the normal CMake flags as we've built them
set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} ${DEBUG_FLAGS}")
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} ${DEBUG_FLAGS}")
set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} ${RELEASE_FLAGS}")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} ${RELEASE_FLAGS}")
## Statically link our binaries
if(NOT APPLE)
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static-libgcc -static-libstdc++")
endif()
endif()
## Go get us some static BOOST libraries
set(Boost_USE_STATIC_LIBS ON)
set(Boost_USE_STATIC_RUNTIME ON)
find_package(Boost REQUIRED COMPONENTS system filesystem thread date_time chrono regex serialization program_options)
message(STATUS "Boost Found: ${Boost_INCLUDE_DIRS}")
include_directories(SYSTEM ${Boost_INCLUDE_DIRS})
if(APPLE)
set(Boost_LIBRARIES "${Boost_LIBRARIES}")
elseif(NOT MSVC)
set(Boost_LIBRARIES "${Boost_LIBRARIES};rt")
endif()
add_subdirectory(external)
add_subdirectory(src)
## We need to setup the RocksDB build environment to match our system
if(NOT MSVC)
execute_process(
COMMAND cmake ${CMAKE_CURRENT_SOURCE_DIR}/external/rocksdb -DWITH_GFLAGS=0 -DCMAKE_BUILD_TYPE=MinSizeRel -DWITH_TESTS=OFF -DWITH_TOOLS=OFF -DPORTABLE=ON -B${PROJECT_BINARY_DIR}/rocksdb
)
set_directory_properties(PROPERTIES ADDITIONAL_MAKE_CLEAN_FILES "${PROJECT_BINARY_DIR}/rocksdb/librocksdb.a")
endif()