tomlplusplus/CMakeLists.txt
Claus Klein dcfab29e70
add cmake files to build and install header only library (#85)
* add cmake build and install support

export cmake config package too

* enable bootstap build without cmake config package

cleanup cmake list file
2021-02-02 18:45:59 +02:00

55 lines
1.6 KiB
CMake

cmake_minimum_required(VERSION 3.13...3.19)
project(tomlplusplus LANGUAGES CXX VERSION 2.3.1)
# Determine if this project is built as a subproject (using
# add_subdirectory) or if it is the master project.
set(MASTER_PROJECT OFF)
if(CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)
set(MASTER_PROJECT ON)
message(STATUS "CMake version: ${CMAKE_VERSION}")
endif()
add_library(tomlplusplus INTERFACE)
add_library(tomlplusplus::tomlplusplus ALIAS tomlplusplus)
target_compile_features(tomlplusplus INTERFACE cxx_std_17)
target_include_directories(tomlplusplus INTERFACE
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
$<INSTALL_INTERFACE:include>
)
option(TOMLPP_BUILD_EXAMPLES "Build examples." ${MASTER_PROJECT})
if(TOMLPP_BUILD_EXAMPLES)
add_subdirectory(examples)
endif()
option(TOMLPP_INSTALL "Generate the install target" ${MASTER_PROJECT})
if(TOMLPP_INSTALL)
include(CMakePackageConfigHelpers)
include(GNUInstallDirs)
install(TARGETS tomlplusplus EXPORT ${PROJECT_NAME}Targets)
install(DIRECTORY include/toml++ DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
write_basic_package_version_file(
${PROJECT_NAME}ConfigVersion.cmake
COMPATIBILITY SameMajorVersion
)
install(
FILES cmake/tomlplusplusConfig.cmake # ---------->
${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake
DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}
)
install(
EXPORT ${PROJECT_NAME}Targets
NAMESPACE ${PROJECT_NAME}::
FILE ${PROJECT_NAME}Targets.cmake # <----------
DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}
)
endif()