Re: Need for a portable way to specify intermediate targets.

[Bob Friesenhahn]

I expect that Automake conditionals with traditional make rules for
the intermediate targets wrapped up in a conditional will do the
trick.  If you use Automake's maintainer-mode feature, then you can 
use

if MAINTAINER_MODE
  foo.c : foo.bar
     dosomething
endif

There is also a MAINTAINER_TARGETS variable that you can use to add 
additional targets for when maintainer mode is activated.  This won't 
help if your foo.c is already depended on by a normal target but it 
may have value for other maintainer purposes.

Bob

On Wed, 4 Jan 2006, Peter Ekberg wrote:

> Hello!
>
> I have the following needs:
>
> 1. Extract some data from a list of files using script foo.
> 2. Process the data further using a second script bar.
> 3. Concatenate the processed data.
> 4. Run a third script foobar on the concatenation to
>   produce a .c file.
> 5. Distribute the generated .c file, so that only
>   the maintainer (me) needs to run 1-4.
> 6. Use the generated .c file as usual.
>
> I have made an attempt as outlined in the attached sample,
> with silly barebones scripts to save some bandwidth.
> Run "./bootstrap; ./configure; make" to test the attempt.
>
> My attempt fails the last bit of point 5, the scripts are
> triggered for everyone, even when the generated .c file is
> newer than any of its dependencies.
>
> The real project where this is needed currently requires
> GNU make, and is using the .INTERMEDIATE target, just add
>
> .INTERMEDIATE: $(FOOBARS) splunk.foobar
>
> to Makefile.am and use GNU make to get the behaviour I desire.
>
> Is there a portable solution to my needs?
>
> Cheers,
> Peter

======================================
Bob Friesenhahn
address@hidden, http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer,    http://www.GraphicsMagick.org/