Another paralell make patch for libf2c

[Jeffrey A Law]

  In message < rzqpvc3102e.fsf@djlvig.dl.ac.uk >you write:
  > This seems to me to DTRT for the makefile.  Anyone disagree?  I've
  > tested it (painfully) with bootstraps on Irix6 with and without
  > --disable-multilib and on SunOS4 with a default configure.  The change
  > just makes sure that the old top-level target gets run cleanly as is
  > and for multilibs.
  > 
  > Do the comments now make it clearer what's going on?  What isn't
  > clear?
  > 
  > [I still can't claim to understand the rationale of the multilibbing
  > framework, but no matter ...]
  > 
  > 1998-10-08  Dave Love  <fx@gnu.org>
  > 
  > 	* Makefile.in (.SUFFIXES): Don't use any.
  > 	(all-unilib): New target, like old all.
  > 	(all): Use it.
  > 	(.PHONY): Add all-unilib.
Seems pretty reasonable.

BTW, you can get some info on multilibs by reading config-ml.in in the toplevel
directory :-)

jeff