EC
Properties 
archive.using.ec
ec.allow.duplicates
ec.build.class
ec.emake
ec.history.dir
ec.history.option
ec.historyfile
ec.makefile.file
ec.maxagents
ec.mem.limit
ec.scripts.dir
ec.sysdef2make
ec.tools.dir
sbs.implicit.tools.build
sbs.tools.config
skip.compile-ec-patch