[M3commit] CVS Update: cm3

[Jay Krell]

CVSROOT:	/usr/cvs
Changes by:	jkrell at birch.	08/04/30 14:34:03

Modified files:
	cm3/m3-sys/m3tests/src/: m3makefile 

Log message:
	reduce the occurence of errors in the posix-on-win32 path -- in particular, if the host cm3 is Win32, then we must use nul instead of /dev/null; as well, cmd mkdir is going to be used, so omit the unnecessary and counterproductive -p switch