toml11/CMakeLists.txt
2019-06-19 16:53:45 +09:00

106 lines
3.2 KiB
CMake

cmake_minimum_required(VERSION 2.8)
enable_testing()
project(toml11)
set(toml11_VERSION_MAYOR 2)
set(toml11_VERSION_MINOR 3)
set(toml11_VERSION_PATCH 1)
set(toml11_VERSION
"${toml11_VERSION_MAYOR}.${toml11_VERSION_MINOR}.${toml11_VERSION_PATCH}"
)
option(toml11_BUILD_TEST "Build toml tests" ON)
include(CheckCXXCompilerFlag)
if("${CMAKE_VERSION}" VERSION_GREATER 3.1)
set(CMAKE_CXX_EXTENSIONS OFF)
if(NOT DEFINED CMAKE_CXX_STANDARD)
set(CMAKE_CXX_STANDARD 11)
endif()
set(CXX_STANDARD_REQUIRED ON)
else()
# Manually check for C++11 compiler flag.
CHECK_CXX_COMPILER_FLAG("-std=c++11" COMPILER_SUPPORTS_CXX11)
CHECK_CXX_COMPILER_FLAG("-std=c++0x" COMPILER_SUPPORTS_CXX0X)
CHECK_CXX_COMPILER_FLAG("-std=gnu++11" COMPILER_SUPPORTS_GNU11)
CHECK_CXX_COMPILER_FLAG("-std=gnu++0x" COMPILER_SUPPORTS_GNU0X)
if(COMPILER_SUPPORTS_CXX11)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
elseif(COMPILER_SUPPORTS_CXXOX)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++0x")
elseif(COMPILER_SUPPORTS_GNU11)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++11")
elseif(COMPILER_SUPPORTS_GNU0X)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++0x")
else()
if(MSVC)
if(MSVC_VERSION LESS 1900)
message(SEND_ERROR "MSVC < 14.0 is not supported. Please update your compiler or use mingw")
endif()
else()
message(SEND_ERROR "The ${CMAKE_CXX_COMPILER} compiler lacks C++11 support. Use another compiler.")
endif()
endif()
endif()
# Set some common directories
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)
add_library(toml11 INTERFACE)
target_include_directories(toml11 INTERFACE
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
$<INSTALL_INTERFACE:${toml11_install_include_dir}>
)
add_library(toml11::toml11 ALIAS toml11)
# Write config and version config files
include(CMakePackageConfigHelpers)
write_basic_package_version_file(
${toml11_config_version}
VERSION ${toml11_VERSION}
COMPATIBILITY SameMajorVersion
)
configure_package_config_file(
cmake/toml11Config.cmake.in
${toml11_config}
INSTALL_DESTINATION ${toml11_install_cmake_dir}
PATH_VARS toml11_install_cmake_dir
)
# Install config files
install(FILES ${toml11_config} ${toml11_config_version}
DESTINATION ${toml11_install_cmake_dir}
)
# Install header files
install(
FILES toml.hpp
DESTINATION "${toml11_install_include_dir}"
)
install(
DIRECTORY "toml"
DESTINATION "${toml11_install_include_dir}"
FILES_MATCHING PATTERN "*.hpp"
)
# Export targets and install them
install(TARGETS toml11
EXPORT toml11Targets
)
install(EXPORT toml11Targets
FILE toml11Targets.cmake
DESTINATION ${toml11_install_cmake_dir}
NAMESPACE toml11::
)
if (toml11_BUILD_TEST)
add_subdirectory(tests)
endif ()