if (NOT TARGET JsonCpp::JsonCpp) if (TARGET jsoncpp_static) add_library(JsonCpp::JsonCpp INTERFACE IMPORTED) set_target_properties(JsonCpp::JsonCpp PROPERTIES INTERFACE_LINK_LIBRARIES "jsoncpp_static") elseif (TARGET jsoncpp_lib) add_library(JsonCpp::JsonCpp INTERFACE IMPORTED) set_target_properties(JsonCpp::JsonCpp PROPERTIES INTERFACE_LINK_LIBRARIES "jsoncpp_lib") endif () endif ()