suyu/externals/find-modules/Findnlohmann_json.cmake

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
)