find_path(OpenDKIM_INCLUDE_DIR NAMES opendkim/dkim.h)
find_library(OpenDKIM_LIBRARY NAMES opendkim)

include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(OpenDKIM REQUIRED_VARS OpenDKIM_LIBRARY OpenDKIM_INCLUDE_DIR)

if(OpenDKIM_FOUND AND NOT TARGET OpenDKIM::OpenDKIM)
  add_library(OpenDKIM::OpenDKIM UNKNOWN IMPORTED)
  set_target_properties(OpenDKIM::OpenDKIM PROPERTIES
    IMPORTED_LOCATION "${OpenDKIM_LIBRARY}"
    INTERFACE_INCLUDE_DIRECTORIES "${OpenDKIM_INCLUDE_DIR}")
endif()

mark_as_advanced(OpenDKIM_INCLUDE_DIR OpenDKIM_LIBRARY)