On Fri, Feb 03, 2017 at 04:22:33PM +0000, Andrew C Aitchison wrote:
> SL6 uses OpenSSL v1.0.1...
> 
> ... I'm trying to build the latest exim, which does not support openssl v1.0.1 ...
>

You can try to build exim against LibreSSL
https://www.libressl.org/
https://github.com/libressl-portable/portable

-- 
Konstantin Olchanski
Data Acquisition Systems: The Bytes Must Flow!
Email: olchansk-at-triumf-dot-ca
Snail mail: 4004 Wesbrook Mall, TRIUMF, Vancouver, B.C., V6T 2A3, Canada