message: enet 2022-03-29 (8ed57f90)
  Code extracted from:
  at commit (master).
  Upstream Shortlog
diff: @@ -183,7 +183,10 @@ install(EXPORT enet-targets NAMESPACE enet::
  # Build documentation
  find_package(Doxygen)
  -if(Doxygen_FOUND)
  +cmake_dependent_option(BUILD_DOCS
  + "Build documentation." OFF
  + "Doxygen_FOUND" OFF)
  +if(BUILD_DOCS)
  doxygen_add_docs(enet_docs "${CMAKE_CURRENT_SOURCE_DIR}" ALL)
  install(DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/html" DESTINATION "${CMAKE_INSTALL_DOCDIR}" COMPONENT ${ENET_DOC_COMPONENT})
  endif()
  