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From: Richard Biener <richard.guenther@gmail.com>
Date: Tue, 14 Jun 2022 15:14:00 +0200
Message-ID: <CAFiYyc2uczYL=gbH270uMuLt0Upj0eoE3kPAFu12tprES73NeQ@mail.gmail.com>
Subject: Re: [PATCH][WIP] have configure probe prefix for gmp/mpfr/mpc
 [PR44425]
To: Eric Gallager <egall@gwmail.gwu.edu>
Cc: gcc-patches <gcc-patches@gcc.gnu.org>
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On Mon, Jun 13, 2022 at 4:27 PM Eric Gallager <egall@gwmail.gwu.edu> wrote:
>
> On Mon, Jun 13, 2022 at 7:02 AM Richard Biener
> <richard.guenther@gmail.com> wrote:
> >
> > On Thu, Jun 2, 2022 at 5:54 PM Eric Gallager via Gcc-patches
> > <gcc-patches@gcc.gnu.org> wrote:
> > >
> > > So, I'm working on fixing PR bootstrap/44425, and have this patch to
> > > have the top-level configure script check in the value passed to
> > > `--prefix=` when looking for gmp/mpfr/mpc. It "works" (in that
> > > configuring with just `--prefix=` and none of
> > > `--with-gmp=`/`--with-mpfr=`/`--with-mpc=` now works where it failed
> > > before), but unfortunately it results in a bunch of duplicated
> > > `-I`/`-L` flags stuck in ${gmplibs} and ${gmpinc}... is that
> > > acceptable or should I try another approach?
> >
> > --prefix is documented as to be used for installing (architecture
> > independent) files,
> > I'm not sure it is a good idea to probe that for gmp/mpfr/mpc installs used for
> > the host.
> >
> > Richard.
> >
> > > Eric
>
> So... I guess that means we should close bug 44425 as INVALID or
> WONTFIX then? https://gcc.gnu.org/bugzilla/show_bug.cgi?id=44425

That would be my reaction, yes.