#!/bin/bash
#assume we call this program /bin/cruise_control

error_file=/tmp/make.$$

cd /your/project/path

make ${ARGS} 2> $error_file || {
    cat $error_file | /bin/mail -s "project build error" you@yout.com
}
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Run from cron on a detached screen. Which means you can join the screen (screen -r cruise_control) if you ever want to watch the build process. Otherwise the screen exits when the build is finished.

01 * * * Mon-Fri root /usr/bin/screen -mdS cruise_control /bin/cruise_
+control
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