mirror of
https://github.com/nlohmann/json
synced 2024-11-27 14:20:07 +00:00
79 lines
2.3 KiB
CMake
79 lines
2.3 KiB
CMake
cmake_minimum_required(VERSION 3.0.0)
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##
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## PROJECT
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## name and version
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##
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project(nlohmann_json VERSION 2.1.1 LANGUAGES CXX)
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##
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## OPTIONS
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##
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option(JSON_BuildTests "Build the unit tests" ON)
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##
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## CONFIGURATION
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##
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set(NLOHMANN_JSON_TARGET_NAME ${PROJECT_NAME})
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set(NLOHMANN_JSON_SOURCE_DIR "src/")
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set(NLOHMANN_JSON_CONFIG_INSTALL_DIR "lib/cmake/${PROJECT_NAME}")
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set(NLOHMANN_JSON_INCLUDE_INSTALL_DIR "include")
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set(NLOHMANN_JSON_HEADER_INSTALL_DIR "${NLOHMANN_JSON_INCLUDE_INSTALL_DIR}/nlohmann")
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set(NLOHMANN_JSON_TARGETS_EXPORT_NAME "${PROJECT_NAME}Targets")
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set(NLOHMANN_JSON_CMAKE_CONFIG_TEMPLATE "cmake/config.cmake.in")
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set(NLOHMANN_JSON_CMAKE_CONFIG_DIR "${CMAKE_CURRENT_BINARY_DIR}/cmake_config")
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set(NLOHMANN_JSON_CMAKE_VERSION_CONFIG_FILE "${NLOHMANN_JSON_CMAKE_CONFIG_DIR}/${PROJECT_NAME}ConfigVersion.cmake")
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set(NLOHMANN_JSON_CMAKE_PROJECT_CONFIG_FILE "${NLOHMANN_JSON_CMAKE_CONFIG_DIR}/${PROJECT_NAME}Config.cmake")
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##
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## TARGET
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## create target and add include path
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##
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add_library(${NLOHMANN_JSON_TARGET_NAME} INTERFACE)
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target_include_directories(
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${NLOHMANN_JSON_TARGET_NAME}
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INTERFACE $<INSTALL_INTERFACE:include/>
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)
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##
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## TESTS
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## create and configure the unit test target
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##
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if(JSON_BuildTests)
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enable_testing()
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include_directories(${NLOHMANN_JSON_SOURCE_DIR})
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add_subdirectory(test)
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endif()
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##
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## INSTALL
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## install header files, generate and install cmake config files for find_package()
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##
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include(CMakePackageConfigHelpers)
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write_basic_package_version_file(
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${NLOHMANN_JSON_CMAKE_VERSION_CONFIG_FILE} COMPATIBILITY SameMajorVersion
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)
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configure_package_config_file(
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${NLOHMANN_JSON_CMAKE_CONFIG_TEMPLATE}
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${NLOHMANN_JSON_CMAKE_PROJECT_CONFIG_FILE}
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INSTALL_DESTINATION ${NLOHMANN_JSON_CONFIG_INSTALL_DIR}
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)
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install(
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DIRECTORY ${NLOHMANN_JSON_SOURCE_DIR}
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DESTINATION ${NLOHMANN_JSON_HEADER_INSTALL_DIR}
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)
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install(
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FILES ${NLOHMANN_JSON_CMAKE_PROJECT_CONFIG_FILE} ${NLOHMANN_JSON_CMAKE_VERSION_CONFIG_FILE}
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DESTINATION ${NLOHMANN_JSON_CONFIG_INSTALL_DIR}
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)
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install(
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TARGETS ${NLOHMANN_JSON_TARGET_NAME}
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EXPORT ${NLOHMANN_JSON_TARGETS_EXPORT_NAME}
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INCLUDES DESTINATION ${NLOHMANN_JSON_INCLUDE_INSTALL_DIR}
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)
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install(
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EXPORT ${NLOHMANN_JSON_TARGETS_EXPORT_NAME}
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DESTINATION ${NLOHMANN_JSON_CONFIG_INSTALL_DIR}
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)
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