42 lines
1.2 KiB
CMake
42 lines
1.2 KiB
CMake
cmake_minimum_required(VERSION 3.9 FATAL_ERROR)
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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 3.10.4 LANGUAGES CXX)
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##
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## OPTIONS
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##
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option(JSON_MultipleHeaders "Use non-amalgamated version of the library." OFF)
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##
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## CONFIGURATION
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##
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set(NLOHMANN_JSON_TARGET_NAME ${PROJECT_NAME})
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if (JSON_MultipleHeaders)
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set(NLOHMANN_JSON_INCLUDE_BUILD_DIR "${PROJECT_SOURCE_DIR}/include/")
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message(STATUS "Using the multi-header code from ${NLOHMANN_JSON_INCLUDE_BUILD_DIR}")
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else()
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set(NLOHMANN_JSON_INCLUDE_BUILD_DIR "${PROJECT_SOURCE_DIR}/single_include/")
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message(STATUS "Using the single-header code from ${NLOHMANN_JSON_INCLUDE_BUILD_DIR}")
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endif()
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##
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## TARGET
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## create target and add include path
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##
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add_library(${NLOHMANN_JSON_TARGET_NAME} INTERFACE)
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add_library(${PROJECT_NAME}::${NLOHMANN_JSON_TARGET_NAME} ALIAS ${NLOHMANN_JSON_TARGET_NAME})
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if (${CMAKE_VERSION} VERSION_LESS "3.8.0")
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target_compile_features(${NLOHMANN_JSON_TARGET_NAME} INTERFACE cxx_range_for)
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else()
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target_compile_features(${NLOHMANN_JSON_TARGET_NAME} INTERFACE cxx_std_11)
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endif()
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target_include_directories(${NLOHMANN_JSON_TARGET_NAME} INTERFACE ${NLOHMANN_JSON_INCLUDE_BUILD_DIR})
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