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Re: Bug#372179: AC_CANONICAL_SYSTEM overwrites $@

From: Ralf Wildenhues
Subject: Re: Bug#372179: AC_CANONICAL_SYSTEM overwrites $@
Date: Mon, 19 Jun 2006 07:35:51 +0200
User-agent: Mutt/1.5.11+cvs20060403

Hello Justin, Tollef,

* Justin Erenkrantz wrote on Sun, Jun 18, 2006 at 11:40:12PM CEST:
> On 6/18/06, Tollef Fog Heen <address@hidden> wrote:
> >Currently, if configure is passed --sbindir=, it just overrides
> >$sbindir without flagging that at all.  If it, in addition to changing
> >$sbindir, it'd set ac_param_sbindir either to 1 to show that sbindir
> >is derviced from a command line argument or to the value passed on the
> >command line.  If we had this, APR_LAYOUT could check if
> >ac_param_sbindir was set, and if so skip setting sbindir from the
> >layout.
> >
> >Would this be an acceptable solution for both the APR and the autoconf
> >people?
> That could work for our purposes, yes.  It'd be cleaner to boot, too.  

So what do you do with
  --bindir=/foo --with-layout=bar --sbindir=/baz

shouldn't the bar layout override bindir but not sbindir?  (Note I don't
know the exact semantics --with-layout is supposed to have.)

BTW, all of the apr_common.m4 code and your .in files anyway need an
audit pass to cope with the GCS-induced changes for --datarootdir and
its consequences; see the Autoconf NEWS entries and the manual about
the changed default directories (and new ones).


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