openssl-1.1.0 was released on August 25, 2016. https://wiki.openssl.org/index.php/1.1_API_Changes https://www.openssl.org/news/changelog.html#x1 Trying to build krb5-1.14.3 with openssl-1.1.0 fails in at least pkinit and k5tls modules. Hopefully, someone has enough cycles to hava a look. -- Eray