Re: Minimum GMP/MPFR version bumps for GCC-4.5

[David Edelsohn <dje dot gcc at gmail dot com>]

On Sat, Mar 28, 2009 at 8:41 AM, Laurent GUERBY <laurent@guerby.net> wrote:
> On Fri, 2009-03-27 at 20:58 +0100, Steven Bosscher wrote:
>> On Fri, Mar 27, 2009 at 8:40 PM, Toon Moene <toon@moene.org> wrote:
>> > Steven Bosscher wrote:
>> >
>> >> On Thu, Mar 26, 2009 at 10:39 PM, Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
>> >> wrote:
>> >>>
>> >>> If there are no objections, I'll create a patch.
>> >>
>> >> Pffff... for those of us who just install the latest-and-greatest
>> >> fedora/suse/ubuntu/... once and don't change installations for two or
>> >> three years (stable machine, etc.) it becomes increasingly harder to
>> >> install all required libraries to build GCC...
>> >
>> > But why do you want to work this way (assuming that people who need a stable
>> > OS don't want to upgrade their compiler on a whim).
>>
>> The problem doesn't happen on machines I own or have root access to.
>> It's only a problem when you try to do gcc development on machines
>> hosted by 3rd parties (SF compile farm, HP cluster, machines at places
>> where I work and/or where I try to convince people to use gfortran
>> instead of e.g. sunf90, etc.).
>
> If you're able to compile and install GCC on a system then my experience
> is that configuring and installing GMP and MPFR from .tar.gz is hassle
> free (you must use --disable-shared on both) and does not take very long
> relative to GCC bootstrap. On the GCC Compile Farm if you look
> at it GMP and MPFR in /opt/cfarm are not compiled by root :).

Graphite needs shared libgmpxx to avoid linking cc1 with libstdc++.

David