Good, you've got the required SSL stuff. You should be able to perform a clean build of Xymon now.
Give it a go and let us know how it goes :)
From: Jewel Brueggeman-Makda [user-f94a3a1b7030@xymon.invalid]
Sent: Wednesday, December 19, 2012 2:37 PM
To: Tim McCloskey
Cc: xymon at xymon.com
Subject: Re: [Xymon] Monitoring HTTPS sites
xymon at Xymon:~$ apt-cache search libssl | grep SSL
libssl-dev - SSL development libraries, header files and documentation
libssl-doc - SSL development documentation documentation
libssl1.0.0 - SSL shared libraries
libssl0.9.8 - SSL shared libraries