find_package_handle_standard_args(<PackageName> (DEFAULT_MSG|<custom-failure-message>) <required-var>... ) find_package_handle_standard_args(<PackageName> [FOUND_VAR <result-var>] [REQUIRED_VARS <required-var>...] [VERSION_VAR <version-var>] [HANDLE_VERSION_RANGE] [HANDLE_COMPONENTS] [CONFIG_MODE] [NAME_MISMATCHED] [REASON_FAILURE_MESSAGE <reason-failure-message>] [FAIL_MESSAGE <custom-failure-message>] )