Re: pass parent stem value to prerequisite rule

[Martin d'Anjou]

You are correct, second expansion is only for prerequisites ($$* in
the pattern-specific variable has no effect). I would really like this
feature. What is the complexity of putting it in? I was able in the
past to modify job.c to abort at the first error, so I am willing to
try.

Thanks,
Martin

> I'm not at all sure this can be made to work, because automatic
> variables are defined in the context of the command script for the rule
> only (see the docs), but if it has any chance to work you MUST use an
> escaped "$" in the parent_stem setting:
>
>        rule_%: parent_stem=$$*
>
> (again see the docs for .SECONDEXPANSION)
>