From OpenSCADAWiki
The Automation Linux distributive as the package repositories is represented by PLC-firmwares and Live/Install/Service Disks which are built by the tool mkimage for creating the distributions of ALTLinux. mkimage is a tool for building Sisyphus-based system on basis of a template and as an initial set of templates there was taken the set of formation of ALTLinux distributions at "git://git.altlinux.org/people/boyarsh/packages/mkimage-profiles-desktop". The procedure of creating such firmwares from a template is the following:
# Creation the configuration script "configure"
./autoconf
# Configuring the builder to generate the disk images
./configure --with-imagetype=flash
# Building of the image
make plc.cd