213 lines
7.0 KiB
CMake
213 lines
7.0 KiB
CMake
# Add Hunter support (Disabled by default)
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option(HUNTER_ENABLED "Enable Hunter package manager support" OFF)
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if(HUNTER_ENABLED)
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include("cmake/HunterGate.cmake")
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HunterGate(
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URL "https://github.com/cpp-pm/hunter/archive/v0.23.262.tar.gz"
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SHA1 "eb51e633e08cdbe2153caf255e9c23968fecb29d"
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)
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endif()
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project(nlohmann_json_schema_validator
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LANGUAGES CXX)
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set(PROJECT_VERSION 2.1.1)
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cmake_minimum_required(VERSION 3.2)
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option(BUILD_TESTS "Build tests" ON)
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option(BUILD_EXAMPLES "Build examples" ON)
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# Add nlohmann_json::nlohmann_json using Hunter package manager
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if(HUNTER_ENABLED)
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hunter_add_package(nlohmann_json)
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endif()
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# the library
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add_library(nlohmann_json_schema_validator
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src/json-schema-draft7.json.cpp
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src/json-uri.cpp
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src/json-validator.cpp
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src/json-patch.cpp
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src/string-format-check.cpp)
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target_include_directories(nlohmann_json_schema_validator
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PUBLIC
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$<INSTALL_INTERFACE:include>
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$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/src>)
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target_compile_features(nlohmann_json_schema_validator
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PUBLIC
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cxx_range_for) # for C++11 - flags
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set_target_properties(nlohmann_json_schema_validator
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PROPERTIES
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VERSION ${PROJECT_VERSION}
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SOVERSION 1)
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# if used as a sub-directory, do not create install-rules -
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# because of the dependency to nlohmann_json.
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set(JSON_VALIDATOR_INSTALL ON)
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# here we decice how nlohmann::json is found and used to build this project
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# first, check whether a nlohmann_json::nlohmann_json target exists already
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# -> we are used as a sub-directory from within another project
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if(TARGET nlohmann_json::nlohmann_json)
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message(STATUS "Found nlohmann_json::nlohmann_json-target - linking with it")
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target_link_libraries(
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nlohmann_json_schema_validator
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PUBLIC nlohmann_json::nlohmann_json)
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set(JSON_VALIDATOR_INSTALL OFF)
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set(BUILD_TESTS OFF)
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set(BUILD_EXAMPLES OFF)
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elseif(TARGET nlohmann_json) # or nlohmann_json, we are used a sub-project next to nlohmann-json's git repo
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message(STATUS "Found nlohmann_json-target - linking with it")
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target_link_libraries(
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nlohmann_json_schema_validator
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PUBLIC nlohmann_json)
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set(JSON_VALIDATOR_INSTALL OFF)
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set(BUILD_TESTS OFF)
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set(BUILD_EXAMPLES OFF)
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else()
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if (NOT IS_ABSOLUTE ${nlohmann_json_DIR}) # make nlohmann_json_DIR absolute
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get_filename_component(nlohmann_json_DIR
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"${CMAKE_CURRENT_BINARY_DIR}/${nlohmann_json_DIR}"
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REALPATH)
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endif()
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set(nlohmann_json_orignal_DIR ${nlohmann_json_DIR}) # save path for later use
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# find nlohmann_json-cmake-package
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find_package(nlohmann_json QUIET)
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if(TARGET nlohmann_json::nlohmann_json)
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message(STATUS "Found nlohmann_json-cmake-package - linking with it")
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target_link_libraries(
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nlohmann_json_schema_validator
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PUBLIC nlohmann_json::nlohmann_json)
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else()
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# find nlohmann/json.hpp
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message(STATUS ${nlohmann_json_orignal_DIR})
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find_path(JSON_HPP nlohmann/json.hpp
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PATHS ${nlohmann_json_orignal_DIR})
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if(EXISTS ${JSON_HPP}/nlohmann/json.hpp)
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message(STATUS "Found nlohmann/json.hpp in given path: ${JSON_HPP}")
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target_include_directories(
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nlohmann_json_schema_validator
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PUBLIC $<BUILD_INTERFACE:${JSON_HPP}>)
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else()
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message(FATAL_ERROR "could not find nlohmann/json.hpp or any related cmake-target. Please set nlohmann_json_DIR.")
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endif()
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# nlohmann_json_DIR has to be reset (for later use in tests)
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set(nlohmann_json_DIR ${JSON_HPP})
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endif()
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endif()
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if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang" OR
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"${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
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target_compile_options(nlohmann_json_schema_validator
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PRIVATE
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-Wall -Wextra -Wshadow)
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endif()
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if(BUILD_SHARED_LIBS)
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target_compile_definitions(nlohmann_json_schema_validator
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PRIVATE
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-DJSON_SCHEMA_VALIDATOR_EXPORTS)
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endif()
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# regex with boost if gcc < 4.9 - default is std::regex
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if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
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if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS "4.9.0")
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find_package(Boost COMPONENTS regex)
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if(NOT Boost_FOUND)
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message(STATUS "GCC less then 4.9 and boost-regex NOT found - no regex used")
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target_compile_definitions(nlohmann_json_schema_validator PRIVATE -DJSON_SCHEMA_NO_REGEX)
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else()
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message(STATUS "GCC less then 4.9 and boost-regex FOUND - using boost::regex")
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target_compile_definitions(nlohmann_json_schema_validator PRIVATE -DJSON_SCHEMA_BOOST_REGEX)
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target_include_directories(nlohmann_json_schema_validator PRIVATE ${Boost_INCLUDE_DIRS})
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target_link_libraries(nlohmann_json_schema_validator PRIVATE ${Boost_LIBRARIES})
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endif()
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endif()
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endif()
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if(JSON_VALIDATOR_INSTALL)
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install(TARGETS nlohmann_json_schema_validator
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EXPORT ${PROJECT_NAME}Targets
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LIBRARY DESTINATION lib
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ARCHIVE DESTINATION lib
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RUNTIME DESTINATION bin)
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install(FILES src/nlohmann/json-schema.hpp
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DESTINATION include/nlohmann)
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endif()
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if (BUILD_EXAMPLES)
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# simple nlohmann_json_schema_validator-executable
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add_executable(json-schema-validate app/json-schema-validate.cpp)
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target_link_libraries(json-schema-validate nlohmann_json_schema_validator)
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add_executable(readme-json-schema app/readme.cpp)
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target_link_libraries(readme-json-schema nlohmann_json_schema_validator)
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add_executable(format-json-schema app/format.cpp)
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target_link_libraries(format-json-schema nlohmann_json_schema_validator)
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install(TARGETS json-schema-validate readme-json-schema
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DESTINATION bin)
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endif()
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if (BUILD_TESTS)
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# test-zone
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enable_testing()
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add_subdirectory(test)
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endif()
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if(JSON_VALIDATOR_INSTALL)
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# Set Up the Project Targets and Config Files for CMake
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# Set the install path to the cmake config files (Relative, so install works correctly under Hunter as well)
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set(INSTALL_CMAKE_DIR "lib/cmake/${PROJECT_NAME}")
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set(INSTALL_CMAKEDIR_ROOT share/cmake)
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# Install Targets
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install(EXPORT ${PROJECT_NAME}Targets
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FILE ${PROJECT_NAME}Targets.cmake
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DESTINATION "${INSTALL_CMAKE_DIR}")
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include(CMakePackageConfigHelpers)
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write_basic_package_version_file(
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${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake
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VERSION ${PROJECT_VERSION}
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COMPATIBILITY SameMajorVersion
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)
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configure_package_config_file(
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${PROJECT_SOURCE_DIR}/${PROJECT_NAME}Config.cmake.in
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${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake
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INSTALL_DESTINATION ${INSTALL_CMAKEDIR_ROOT}/${PROJECT_NAME}
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)
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install(
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FILES
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${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake
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${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake
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DESTINATION
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${INSTALL_CMAKE_DIR}
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)
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endif()
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