[SOGo] Error while building sogo on Ubuntu

["Gopi Reddy"]

Trying to build sogo on Ubuntu following the instructions at 
https://www.sogo.nu/support/faq/how-do-i-compile-sogo.html

Getting “/usr/bin/ld: cannot find -lSOGo: No such file or directory” error on 
the make step.
 
Suggestions?