Re: Dependencies between "build" and "dist"

[Rajesh Vaidheeswarran]

The issue for Arun is that pkgmk in solaris creates a directory as its
final output. This is particularly irritating in the cons view of the world
since we expect file targets for dependency checking. I had a conversation
with Bob previously on this very same issue, and there was no good way to
make cons (make .. cons) depend on a directory (or create a directory as its
target.)



In a previous message, Steven Knight writes:

> On Mon, 6 Aug 2001, Kumar, Arun (PIT) wrote:
> >   I have a question for Cons experts. This is specifically related to
> > Solaris build. How can one specify in src/dist/Conscript (the dist Conscrip
> t
> > file), a dependency such that the "pkgmk" only is done when something in
> > build area is built. In other words, pkgmk in the dist area always happens
> > whether it is needed or not. Let me know if any specific details of the
> > command is needed.
> 
> If Cons is executing a command every time you run it, and that's not
> what you want, the most likely cause is that the executed command does
> not create the target file specified.  As a trivial example:
> 
>       $env->Command('.always', 'input', "cat input > output");
> 
> Will *always* run the "cat input > outfile" command because the .always
> file is never created by it.  Take a look at the target file specified
> for your "pkgmk" call.
> 
> Beyond that general advice, additional details would help.
> 
>       --SK
> 
> 
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