https://www.dmosk.ru/miniinstruktions.php?mini=openssl-update-centos
https://coderoad.ru/23905661/%D0%9D%D0%B0-mac-g-clang-%D0%BD%D0%B5-%D1%83%D0%B4%D0%B0%D0%B5%D1%82%D1%81%D1%8F-%D0%BD%D0%B0%D0%B9%D1%82%D0%B8-usr-local-include-%D0%B8-usr-local-lib-%D0%BF%D0%BE-%D1%83%D0%BC%D0%BE%D0%BB%D1%87%D0%B0%D0%BD%D0%B8%D1%8E
https://github.com/curl/curl/issues/1501
https://qastack.ru/ubuntu/475670/how-to-build-curl-with-the-latest-openssl
http://blog.furoom.net/category/%E6%8A%80%E8%A1%93/%E3%83%9F%E3%83%89%E3%83%AB%E3%82%A6%E3%82%A7%E3%82%A2/curl/
и некоторые другие