mirror of
https://github.com/nlohmann/json.git
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57 lines
3.1 KiB
CMake
57 lines
3.1 KiB
CMake
set(JSON_TEST_DATA_URL https://github.com/nlohmann/json_test_data)
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set(JSON_TEST_DATA_VERSION 3.0.0)
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# if variable is set, use test data from given directory rather than downloading them
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if(JSON_TestDataDirectory)
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message(STATUS "Using test data in ${JSON_TestDataDirectory}.")
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add_custom_target(download_test_data)
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file(WRITE ${CMAKE_BINARY_DIR}/include/test_data.hpp "#define TEST_DATA_DIRECTORY \"${JSON_TestDataDirectory}\"\n")
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else()
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find_package(Git)
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# target to download test data
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add_custom_target(download_test_data
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COMMAND test -d json_test_data || ${GIT_EXECUTABLE} clone -c advice.detachedHead=false --branch v${JSON_TEST_DATA_VERSION} ${JSON_TEST_DATA_URL}.git --quiet --depth 1
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COMMENT "Downloading test data from ${JSON_TEST_DATA_URL} (v${JSON_TEST_DATA_VERSION})"
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WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
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)
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# create a header with the path to the downloaded test data
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file(WRITE ${CMAKE_BINARY_DIR}/include/test_data.hpp "#define TEST_DATA_DIRECTORY \"${CMAKE_BINARY_DIR}/json_test_data\"\n")
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endif()
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# determine the operating system (for debug and support purposes)
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find_program(UNAME_COMMAND uname)
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find_program(VER_COMMAND ver)
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find_program(LSB_RELEASE_COMMAND lsb_release)
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find_program(SW_VERS_COMMAND sw_vers)
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set(OS_VERSION_STRINGS "${CMAKE_SYSTEM}")
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if (VER_COMMAND)
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execute_process(COMMAND ${VER_COMMAND} OUTPUT_VARIABLE VER_COMMAND_RESULT OUTPUT_STRIP_TRAILING_WHITESPACE)
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set(OS_VERSION_STRINGS "${OS_VERSION_STRINGS}; ${VER_COMMAND_RESULT}")
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endif()
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if (SW_VERS_COMMAND)
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execute_process(COMMAND ${SW_VERS_COMMAND} OUTPUT_VARIABLE SW_VERS_COMMAND_RESULT OUTPUT_STRIP_TRAILING_WHITESPACE ERROR_QUIET)
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string(REGEX REPLACE "[ ]*\n" "; " SW_VERS_COMMAND_RESULT "${SW_VERS_COMMAND_RESULT}")
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set(OS_VERSION_STRINGS "${OS_VERSION_STRINGS}; ${SW_VERS_COMMAND_RESULT}")
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endif()
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if (LSB_RELEASE_COMMAND)
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execute_process(COMMAND ${LSB_RELEASE_COMMAND} -a OUTPUT_VARIABLE LSB_RELEASE_COMMAND_RESULT OUTPUT_STRIP_TRAILING_WHITESPACE ERROR_QUIET)
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string(REGEX REPLACE "[ ]*\n" "; " LSB_RELEASE_COMMAND_RESULT "${LSB_RELEASE_COMMAND_RESULT}")
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set(OS_VERSION_STRINGS "${OS_VERSION_STRINGS}; ${LSB_RELEASE_COMMAND_RESULT}")
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endif()
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if (UNAME_COMMAND)
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execute_process(COMMAND ${UNAME_COMMAND} -a OUTPUT_VARIABLE UNAME_COMMAND_RESULT OUTPUT_STRIP_TRAILING_WHITESPACE ERROR_QUIET)
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set(OS_VERSION_STRINGS "${OS_VERSION_STRINGS}; ${UNAME_COMMAND_RESULT}")
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endif()
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message(STATUS "Operating system: ${OS_VERSION_STRINGS}")
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# determine the compiler (for debug and support purposes)
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if (MSVC)
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execute_process(COMMAND ${CMAKE_CXX_COMPILER} OUTPUT_VARIABLE CXX_VERSION_RESULT OUTPUT_STRIP_TRAILING_WHITESPACE ERROR_VARIABLE CXX_VERSION_RESULT ERROR_STRIP_TRAILING_WHITESPACE)
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set(CXX_VERSION_RESULT "${CXX_VERSION_RESULT}; MSVC_VERSION=${MSVC_VERSION}; MSVC_TOOLSET_VERSION=${MSVC_TOOLSET_VERSION}")
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else()
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execute_process(COMMAND ${CMAKE_CXX_COMPILER} --version OUTPUT_VARIABLE CXX_VERSION_RESULT OUTPUT_STRIP_TRAILING_WHITESPACE)
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endif()
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string(REGEX REPLACE "[ ]*\n" "; " CXX_VERSION_RESULT "${CXX_VERSION_RESULT}")
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message(STATUS "Compiler: ${CXX_VERSION_RESULT}")
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