Serialization dependencies muck up configure-on-demand

[Paul D. Smith]

%% Daniel Jacobowitz <drow@mvista.com> writes:

  dj> Oh, I can do it; in fact the autoconfery is trivial.  I need to go
  dj> figure out why it isn't working as I expect though.  Right now
  dj> saying "a : | b" appears to mean that b out-of-date does not
  dj> trigger remaking a, but "make a" still causes b to be remade.  In
  dj> other words it's still a dependency but not used for rebuild
  dj> calculation.

Correct.  If b is a prerequisite, order-only or not, then it will be
remade.  The only difference in an order-only prerequisite is that
it is ignored when deciding whether or not a needs to be rebuilt.

-- 
-------------------------------------------------------------------------------
 Paul D. Smith <psmith@gnu.org>          Find some GNU make tips at:
 http://www.gnu.org                      http://make.paulandlesley.org
 "Please remain calm...I may be mad, but I am a professional." --Mad Scientist