On Sat, 2010-11-13 at 23:58 +0100, Erik Rull wrote:
> Well yes - I could write a rule like
> copy_object: object
> [....]
>
> But this would mean that object gets executed also if I did not give it as
> an argument to the make command.
>
> I don't need a general handling of the sequence of the arguments only for
> this special rule I want to have it executed after all other rules (also
> with -j - not parallelized with the other stuff.
Order-only prereqs can help, but only if it is safe to assume that a
file `object' will exist -- that is, `object' is not a .PHONY target.
If it is, simply create a token/cookie for it, instead of making in
PHONY.
The reason the `object' file must exist is that order-only prereqs are
more accurately described as ignore-mtime prereqs (which is how they are
identified in the source) -- the file must exist, but the mod time is
never checked. So, if object is PHONY, it will be run on copy_object,
where it won't if it is a real file.
So something like:
object: $(obj)
[...]
touch $@
copy_object: | object
[...]
--
~ LukeShu
http://lukeshu.ath.cx/
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