find_package(PkgConfig QUIET) pkg_check_modules(PC_nlohmann_json QUIET nlohmann_json) find_path(nlohmann_json_INCLUDE_DIR NAMES json.hpp PATHS ${PC_nlohmann_json_INCLUDE_DIRS} PATH_SUFFIXES nlohmann ) include(FindPackageHandleStandardArgs) find_package_handle_standard_args(nlohmann_json FOUND_VAR nlohmann_json_FOUND REQUIRED_VARS nlohmann_json_INCLUDE_DIR VERSION_VAR nlohmann_json_VERSION ) if(nlohmann_json_FOUND) set(nlohmann_json_INCLUDE_DIRS ${nlohmann_json_INCLUDE_DIR}) set(nlohmann_json_DEFINITIONS ${PC_nlohmann_json_CFLAGS_OTHER}) endif() if(nlohmann_json_FOUND AND NOT TARGET nlohmann_json::nlohmann_json) add_library(nlohmann_json::nlohmann_json UNKNOWN IMPORTED) set_target_properties(nlohmann_json::nlohmann_json PROPERTIES IMPORTED_LOCATION "${nlohmann_json_LIBRARY}" INTERFACE_COMPILE_OPTIONS "${PC_nlohmann_json_CFLAGS_OTHER}" INTERFACE_INCLUDE_DIRECTORIES "${nlohmann_json_INCLUDE_DIR}" ) endif() mark_as_advanced( nlohmann_json_INCLUDE_DIR )