Re: multiple prerequisites in pattern rules

[Paul D. Smith]

%% Martin Sebor <address@hidden> writes:

  >> That can only happen if cpp hangs.  If cpp exits or dies in any
  >> way, then the write side of the pipe will be closed and then sed
  >> will exit, probably with some kind of read error.

  ms> Why read error? The reading end can't tell why the writer closed
  ms> the pipe. All it sees is that the pipe has been closed.

Right; it's a close on the write side that may generate some kind of
error.  My mistake.

-- 
-------------------------------------------------------------------------------
 Paul D. Smith <address@hidden>          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