set(CMAKE_MRPT_HAS_JSONCPP 0) set(CMAKE_MRPT_HAS_JSONCPP_SYSTEM 0) option(DISABLE_JSONCPP "Forces NOT using JSONCPP, even if it could be found by CMake" "OFF") mark_as_advanced(DISABLE_JSONCPP) if(NOT DISABLE_JSONCPP) find_package(jsoncpp QUIET) if(jsoncpp_FOUND) # cmake imported target: "jsoncpp_lib" set(CMAKE_MRPT_HAS_JSONCPP 1) set(CMAKE_MRPT_HAS_JSONCPP_SYSTEM 1) endif() endif()