[M3commit] CVS Update: cm3

[Jay Krell]

CVSROOT:	/usr/cvs
Changes by:	jkrell at birch.	09/04/05 10:25:20

Modified files:
	cm3/m3-sys/cminstall/src/config-no-install/: cm3cfg.common 

Log message:
	This should let us support multiple installed backends (ie: per target)
	even if there is no source tree (ie: ROOT is not defined).
	Previously the first feature was lost in the second condition.
	Still, this area needs work -- probe for fewer backends.