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