Philip,
Dotting the i's: the problem I was originally trying to solve
with .WAIT was concurrent access to an archive file. Thus, I'd be
happy to see any of the serialization means: .MUTEX, .WAIT -
whatever. I just chose .WAIT because:
- It is available in another widely used make variant (BSD make)
- It seemed easier to implement
I admit that perhaps, something like .MUTEX (restricting certain goals
from being updated concurrently) would be more straight-forward and
error-proof.
One more idea: .LOCK special target. The prerequisites of this target
cannot be phony; make will ensure no concurrent operation on this
target using file locking or "dot-lock" method. For targets that are
archive members, the archive is locked.
Regards,
Alexey.
--
Ye speak the words that ruffle our feathers and cause our blood to
boil!
-- Yehat, SC2
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