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CMakeLists.txt
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CMakeLists.txt
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cmake_minimum_required(VERSION 3.16)
# project_source_dir has not been set yet
file(STRINGS "${CMAKE_CURRENT_SOURCE_DIR}/include/toml11/version.hpp" TOML11_MAJOR_VERSION_STRING
REGEX "#define TOML11_VERSION_MAJOR ([0-9]+)")
file(STRINGS "${CMAKE_CURRENT_SOURCE_DIR}/include/toml11/version.hpp" TOML11_MINOR_VERSION_STRING
REGEX "#define TOML11_VERSION_MINOR ([0-9]+)")
file(STRINGS "${CMAKE_CURRENT_SOURCE_DIR}/include/toml11/version.hpp" TOML11_PATCH_VERSION_STRING
REGEX "#define TOML11_VERSION_PATCH ([0-9]+)")
string(REGEX REPLACE "#define TOML11_VERSION_MAJOR ([0-9]+)" "\\1" TOML11_VERSION_MAJOR "${TOML11_MAJOR_VERSION_STRING}")
string(REGEX REPLACE "#define TOML11_VERSION_MINOR ([0-9]+)" "\\1" TOML11_VERSION_MINOR "${TOML11_MINOR_VERSION_STRING}")
string(REGEX REPLACE "#define TOML11_VERSION_PATCH ([0-9]+)" "\\1" TOML11_VERSION_PATCH "${TOML11_PATCH_VERSION_STRING}")
project(toml11 LANGUAGES CXX VERSION "${TOML11_VERSION_MAJOR}.${TOML11_VERSION_MINOR}.${TOML11_VERSION_PATCH}")
include(CTest) # to use ${BUILD_TESTING}
option(TOML11_PRECOMPILE "precompile toml11 library" OFF)
include(CMakeDependentOption)
cmake_policy(PUSH)
if(POLICY CMP0127)
cmake_policy(SET CMP0127 OLD) # syntax of condition changed in 3.22
endif()
cmake_dependent_option(TOML11_INSTALL "install toml11 library" ON
"${CMAKE_PROJECT_NAME} STREQUAL ${PROJECT_NAME}" OFF)
cmake_dependent_option(TOML11_BUILD_EXAMPLES "build toml11 examples" OFF
"${CMAKE_PROJECT_NAME} STREQUAL ${PROJECT_NAME}" OFF)
cmake_dependent_option(TOML11_BUILD_TESTS "build toml11 unit tests" OFF
"${CMAKE_PROJECT_NAME} STREQUAL ${PROJECT_NAME}; ${BUILD_TESTING}" OFF)
cmake_dependent_option(TOML11_BUILD_TOML_TESTS "build toml11 toml-test encoder & decoder" OFF
"${CMAKE_PROJECT_NAME} STREQUAL ${PROJECT_NAME}" OFF)
cmake_policy(POP)
cmake_dependent_option(TOML11_TEST_WITH_ASAN "build toml11 unit tests with asan" OFF
"${TOML11_BUILD_TESTS}" OFF)
cmake_dependent_option(TOML11_TEST_WITH_UBSAN "build toml11 unit tests with ubsan" OFF
"${TOML11_BUILD_TESTS}" OFF)
if(${TOML11_TEST_WITH_ASAN} AND ${TOML11_TEST_WITH_UBSAN})
message(FATAL_ERROR "trying to build tests with BOTH asan and ubsan")
endif()
include(CheckCXXCompilerFlag)
check_cxx_compiler_flag("-Wall" TOML11_COMPILER_SUPPORTS_WALL)
check_cxx_compiler_flag("-Wextra" TOML11_COMPILER_SUPPORTS_WEXTRA)
check_cxx_compiler_flag("-Wpedantic" TOML11_COMPILER_SUPPORTS_WPEDANTIC)
check_cxx_compiler_flag("-Werror" TOML11_COMPILER_SUPPORTS_WERROR)
check_cxx_compiler_flag("-Wsign-conversion" TOML11_COMPILER_SUPPORTS_WSIGN_CONVERSION)
check_cxx_compiler_flag("-Wconversion" TOML11_COMPILER_SUPPORTS_WCONVERSION)
check_cxx_compiler_flag("-Wduplicated-cond" TOML11_COMPILER_SUPPORTS_WDUPLICATED_COND)
check_cxx_compiler_flag("-Wduplicated-branches" TOML11_COMPILER_SUPPORTS_WDUPLICATED_BRANCHES)
check_cxx_compiler_flag("-Wlogical-op" TOML11_COMPILER_SUPPORTS_WLOGICAL_OP)
check_cxx_compiler_flag("-Wdouble-promotion" TOML11_COMPILER_SUPPORTS_WDOUBLE_PROMOTION)
check_cxx_compiler_flag("-Wrange-loop-analysis" TOML11_COMPILER_SUPPORTS_WRANGE_LOOP_ANALYSIS)
check_cxx_compiler_flag("-Wundef" TOML11_COMPILER_SUPPORTS_WUNDEF)
check_cxx_compiler_flag("-Wshadow" TOML11_COMPILER_SUPPORTS_WSHADOW)
include(GNUInstallDirs)
set(TOML11_INSTALL_CMAKE_DIR ${CMAKE_INSTALL_LIBDIR}/cmake/toml11)
set(TOML11_INSTALL_INCLUDE_DIR ${CMAKE_INSTALL_INCLUDEDIR})
set(TOML11_CONFIG_DIR ${CMAKE_CURRENT_BINARY_DIR}/cmake)
set(TOML11_CONFIG ${TOML11_CONFIG_DIR}/toml11Config.cmake)
set(TOML11_CONFIG_VERSION ${TOML11_CONFIG_DIR}/toml11ConfigVersion.cmake)
# root project?
if(${CMAKE_PROJECT_NAME} STREQUAL ${PROJECT_NAME})
if(NOT DEFINED CMAKE_CXX_STANDARD)
set(CMAKE_CXX_STANDARD 11)
endif()
if(NOT DEFINED CMAKE_CXX_EXTENSIONS)
set(CMAKE_CXX_EXTENSIONS OFF)
endif()
if(NOT DEFINED CMAKE_CXX_STANDARD_REQUIRED)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
endif()
if(${TOML11_BUILD_TESTS} OR ${TOML11_BUILD_TOML_TESTS})
add_subdirectory(tests)
endif()
if(${TOML11_BUILD_EXAMPLES})
add_subdirectory(examples)
endif()
endif()
add_subdirectory(src)