On Wed, May 28, 2003 at 04:12:30PM +0100, David Laight wrote:
  | > 
  | > -M uses the full path, so in my shell (tcsh), I can do:
  | > 	alias   cwdcmd  'set obj=${MAKEOBJDIRPREFIX}${cwd}'
  | > and have $obj be set to the full path of the current directory.
  | > (or use $MAKEOBJDIRPREFIX/`pwd`, etc...)
  | > 
  | > If you use -O, you can't use those tricks.  conversely, the objdir
  | > paths are shorter, which you may find is useful.
  | 
  | Or use a different shell (eg .bin./sh) which supports the ksh'ism
  | 'cd src obj'

How's that work in practice?

(I program (POSIX) sh but I use tcsh interactively.)