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- # Look for JsonCpp, with fallback to bundeled version
- mark_as_advanced(JSON_LIBRARY JSON_INCLUDE_DIR)
- option(ENABLE_SYSTEM_JSONCPP "Enable using a system-wide JsonCpp" TRUE)
- set(USE_SYSTEM_JSONCPP FALSE)
- if(ENABLE_SYSTEM_JSONCPP)
- find_library(JSON_LIBRARY NAMES jsoncpp)
- find_path(JSON_INCLUDE_DIR json/allocator.h PATH_SUFFIXES jsoncpp)
- if(JSON_LIBRARY AND JSON_INCLUDE_DIR)
- message(STATUS "Using JsonCpp provided by system.")
- set(USE_SYSTEM_JSONCPP TRUE)
- endif()
- endif()
- if(NOT USE_SYSTEM_JSONCPP)
- message(STATUS "Using bundled JsonCpp library.")
- set(JSON_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/lib/jsoncpp)
- set(JSON_LIBRARY jsoncpp)
- add_subdirectory(lib/jsoncpp)
- endif()
- include(FindPackageHandleStandardArgs)
- find_package_handle_standard_args(Json DEFAULT_MSG JSON_LIBRARY JSON_INCLUDE_DIR)
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