These instructions are for SCST trunk as of 5/25/2015 and Ubuntu server 15.04 with 3.19.0-18-generic amd64 kernel. adjust paths as needed
commands all relative to the build dir of your choice and mostly dependent on the command above it
get latest SCST:
svn co https://scst.svn.sourceforge.net/svnroot/scst/trunk scst
make kernel patch: