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subdir/toplevel dependence (was Re: (toplevel)...)
- From: Nathanael Nerode <neroden at twcny dot rr dot com>
- To: gcc-patches at gcc dot gnu dot org, aoliva at redhat dot com
- Cc: gdb-patches at sources dot redhat dot com, binutils at sources dot redhat dot com
- Date: Mon, 30 Dec 2002 05:34:38 -0500
- Subject: subdir/toplevel dependence (was Re: (toplevel)...)
>- I've also removed the dependence of configure-* on ./config.status.
> I don't understand why we put this in. I get the impression it was
> a mistake, since the earlier top-level (say in the gcc-3.3 branch)
> does not get any sub-packages reconfigured just because the top
> level config.status changes. If we really want to do this, we
> should arrange for the code that updates config.status in the
> top-level to also remove the Makefiles of all subdirs, so that
> they're reconfigured next.
I put this in because there's a real dependence here. :-(
The correct dependence, technically, is that configure-* depends on top
level Makefile, which depends on config.status.
The point is, if you rerun top level 'configure' with different
arguments, creating a new Makefile which will pass down different
arguments, it's essential to rerun configure at the lower levels with
the new arguments as well.
Implement this however you please, but it needs to be there. :-)