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CMAKE_MINIMUM_REQUIRED(VERSION 2.8)
if(POLICY CMP0025)
# detect Apple's Clang
cmake_policy(SET CMP0025 NEW)
endif()
if(POLICY CMP0054)
cmake_policy(SET CMP0054 NEW)
endif()
SET(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/CMakeModules)
set(LIB_MAJOR_VERSION "1")
set(LIB_MINOR_VERSION "1")
set(LIB_PATCH_VERSION "0")
set(LIB_VERSION_STRING "${LIB_MAJOR_VERSION}.${LIB_MINOR_VERSION}.${LIB_PATCH_VERSION}")
if (CMAKE_VERSION VERSION_LESS 3.0)
PROJECT(RapidJSON CXX)
else()
cmake_policy(SET CMP0048 NEW)
PROJECT(RapidJSON VERSION "${LIB_VERSION_STRING}" LANGUAGES CXX)
endif()
# compile in release with debug info mode by default
if(NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE "RelWithDebInfo" CACHE STRING "Choose the type of build, options are: Debug Release RelWithDebInfo MinSizeRel." FORCE)
endif()
# Build all binaries in a separate directory
SET(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
option(RAPIDJSON_BUILD_DOC "Build rapidjson documentation." ON)
option(RAPIDJSON_BUILD_EXAMPLES "Build rapidjson examples." ON)
option(RAPIDJSON_BUILD_TESTS "Build rapidjson perftests and unittests." ON)
option(RAPIDJSON_BUILD_THIRDPARTY_GTEST
"Use gtest installation in `thirdparty/gtest` by default if available" OFF)
option(RAPIDJSON_BUILD_CXX11 "Build rapidjson with C++11" ON)
option(RAPIDJSON_BUILD_CXX17 "Build rapidjson with C++17" OFF)
if(RAPIDJSON_BUILD_CXX11)
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED TRUE)
endif()
option(RAPIDJSON_BUILD_ASAN "Build rapidjson with address sanitizer (gcc/clang)" OFF)
option(RAPIDJSON_BUILD_UBSAN "Build rapidjson with undefined behavior sanitizer (gcc/clang)" OFF)
option(RAPIDJSON_ENABLE_INSTRUMENTATION_OPT "Build rapidjson with -march or -mcpu options" ON)
option(RAPIDJSON_HAS_STDSTRING "" OFF)
if(RAPIDJSON_HAS_STDSTRING)
add_definitions(-DRAPIDJSON_HAS_STDSTRING)
endif()
option(RAPIDJSON_USE_MEMBERSMAP "" OFF)
if(RAPIDJSON_USE_MEMBERSMAP)
add_definitions(-DRAPIDJSON_USE_MEMBERSMAP=1)
endif()
find_program(CCACHE_FOUND ccache)
if(CCACHE_FOUND)
set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ccache)
set_property(GLOBAL PROPERTY RULE_LAUNCH_LINK ccache)
if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Qunused-arguments -fcolor-diagnostics")
endif()
endif(CCACHE_FOUND)
if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
if(RAPIDJSON_ENABLE_INSTRUMENTATION_OPT AND NOT CMAKE_CROSSCOMPILING)
if(CMAKE_SYSTEM_PROCESSOR STREQUAL "powerpc" OR CMAKE_SYSTEM_PROCESSOR STREQUAL "ppc64" OR CMAKE_SYSTEM_PROCESSOR STREQUAL "ppc64le")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mcpu=native")
else()
#FIXME: x86 is -march=native, but doesn't mean every arch is this option. To keep original project's compatibility, I leave this except POWER.
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=native")
endif()
endif()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -Werror")
set(EXTRA_CXX_FLAGS -Weffc++ -Wswitch-default -Wfloat-equal -Wconversion -Wsign-conversion)
if (RAPIDJSON_BUILD_CXX11 AND CMAKE_VERSION VERSION_LESS 3.1)
if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS "4.7.0")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++0x")
else()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
endif()
elseif (RAPIDJSON_BUILD_CXX17 AND NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS "5.0")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++17")
endif()
if (RAPIDJSON_BUILD_ASAN)
if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS "4.8.0")
message(FATAL_ERROR "GCC < 4.8 doesn't support the address sanitizer")
else()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=address")
endif()
endif()
if (RAPIDJSON_BUILD_UBSAN)
if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS "4.9.0")
message(FATAL_ERROR "GCC < 4.9 doesn't support the undefined behavior sanitizer")
else()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=undefined")
endif()
endif()
elseif (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
if(NOT CMAKE_CROSSCOMPILING)
if(CMAKE_SYSTEM_PROCESSOR STREQUAL "powerpc" OR CMAKE_SYSTEM_PROCESSOR STREQUAL "ppc64" OR CMAKE_SYSTEM_PROCESSOR STREQUAL "ppc64le")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mcpu=native")
else()
#FIXME: x86 is -march=native, but doesn't mean every arch is this option. To keep original project's compatibility, I leave this except POWER.
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=native")
endif()
endif()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -Werror -Wno-missing-field-initializers")
set(EXTRA_CXX_FLAGS -Weffc++ -Wswitch-default -Wfloat-equal -Wconversion -Wimplicit-fallthrough)
if (RAPIDJSON_BUILD_CXX11 AND CMAKE_VERSION VERSION_LESS 3.1)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
elseif (RAPIDJSON_BUILD_CXX17 AND NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS "4.0")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++17")
endif()
if (RAPIDJSON_BUILD_ASAN)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=address")
endif()
if (RAPIDJSON_BUILD_UBSAN)
if (CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=undefined-trap -fsanitize-undefined-trap-on-error")
else()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=undefined")
endif()
endif()
elseif (CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
add_definitions(-D_CRT_SECURE_NO_WARNINGS=1)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /EHsc")
# CMake >= 3.10 should handle the above CMAKE_CXX_STANDARD fine, otherwise use /std:c++XX with MSVC >= 19.10
if (RAPIDJSON_BUILD_CXX11 AND NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS "19.10")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /std:c++11")
elseif (RAPIDJSON_BUILD_CXX17 AND NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS "19.14")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /std:c++17")
endif()
# Always compile with /WX
if(CMAKE_CXX_FLAGS MATCHES "/WX-")
string(REGEX REPLACE "/WX-" "/WX" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
else()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /WX")
endif()
elseif (CMAKE_CXX_COMPILER_ID MATCHES "XL")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -qarch=auto")
endif()
#add extra search paths for libraries and includes
SET(INCLUDE_INSTALL_DIR "${CMAKE_INSTALL_PREFIX}/include" CACHE PATH "The directory the headers are installed in")
SET(LIB_INSTALL_DIR "${CMAKE_INSTALL_PREFIX}/lib" CACHE STRING "Directory where lib will install")
SET(DOC_INSTALL_DIR "${CMAKE_INSTALL_PREFIX}/share/doc/${PROJECT_NAME}" CACHE PATH "Path to the documentation")
IF(UNIX OR CYGWIN)
SET(_CMAKE_INSTALL_DIR "${LIB_INSTALL_DIR}/cmake/${PROJECT_NAME}")
ELSEIF(WIN32)
SET(_CMAKE_INSTALL_DIR "${CMAKE_INSTALL_PREFIX}/cmake")
ENDIF()
SET(CMAKE_INSTALL_DIR "${_CMAKE_INSTALL_DIR}" CACHE PATH "The directory cmake files are installed in")
include_directories(${CMAKE_CURRENT_SOURCE_DIR}/include)
if(RAPIDJSON_BUILD_DOC)
add_subdirectory(doc)
endif()
add_custom_target(travis_doc)
add_custom_command(TARGET travis_doc
COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/travis-doxygen.sh)
if(RAPIDJSON_BUILD_EXAMPLES)
add_subdirectory(example)
endif()
if(RAPIDJSON_BUILD_TESTS)
if(MSVC11)
# required for VS2012 due to missing support for variadic templates
add_definitions(-D_VARIADIC_MAX=10)
endif(MSVC11)
add_subdirectory(test)
include(CTest)
endif()
# pkg-config
IF (UNIX OR CYGWIN)
CONFIGURE_FILE (${CMAKE_CURRENT_SOURCE_DIR}/${PROJECT_NAME}.pc.in
${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}.pc
@ONLY)
INSTALL (FILES ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}.pc
DESTINATION "${LIB_INSTALL_DIR}/pkgconfig"
COMPONENT pkgconfig)
ENDIF()
install(FILES readme.md
DESTINATION "${DOC_INSTALL_DIR}"
COMPONENT doc)
install(DIRECTORY include/rapidjson
DESTINATION "${INCLUDE_INSTALL_DIR}"
COMPONENT dev)
install(DIRECTORY example/
DESTINATION "${DOC_INSTALL_DIR}/examples"
COMPONENT examples
# Following patterns are for excluding the intermediate/object files
# from an install of in-source CMake build.
PATTERN "CMakeFiles" EXCLUDE
PATTERN "Makefile" EXCLUDE
PATTERN "cmake_install.cmake" EXCLUDE)
# Provide config and version files to be used by other applications
# ===============================
################################################################################
# Export package for use from the build tree
EXPORT( PACKAGE ${PROJECT_NAME} )
# Create the RapidJSONConfig.cmake file for other cmake projects.
# ... for the build tree
SET( CONFIG_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
SET( CONFIG_DIR ${CMAKE_CURRENT_BINARY_DIR})
SET( ${PROJECT_NAME}_INCLUDE_DIR "\${${PROJECT_NAME}_SOURCE_DIR}/include" )
CONFIGURE_FILE( ${CMAKE_CURRENT_SOURCE_DIR}/${PROJECT_NAME}Config.cmake.in
${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake @ONLY )
CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/${PROJECT_NAME}ConfigVersion.cmake.in
${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake @ONLY)
# ... for the install tree
SET( CMAKECONFIG_INSTALL_DIR ${LIB_INSTALL_DIR}/cmake/${PROJECT_NAME} )
FILE( RELATIVE_PATH REL_INCLUDE_DIR
"${CMAKECONFIG_INSTALL_DIR}"
"${CMAKE_INSTALL_PREFIX}/include" )
SET( ${PROJECT_NAME}_INCLUDE_DIR "\${${PROJECT_NAME}_CMAKE_DIR}/${REL_INCLUDE_DIR}" )
SET( CONFIG_SOURCE_DIR )
SET( CONFIG_DIR )
CONFIGURE_FILE( ${CMAKE_CURRENT_SOURCE_DIR}/${PROJECT_NAME}Config.cmake.in
${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/${PROJECT_NAME}Config.cmake @ONLY )
INSTALL(FILES "${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/${PROJECT_NAME}Config.cmake"
DESTINATION ${CMAKECONFIG_INSTALL_DIR} )
# Install files
INSTALL(FILES
${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake
${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake
DESTINATION "${CMAKE_INSTALL_DIR}"
COMPONENT dev)
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