On Tue, Apr 27, 2010 at 11:37 AM, Bill Hart <goodwillh...@googlemail.com> wrote:
> OK, thanks. That means I need to make some changes to flint1. I will
> try to do this before Sage 5 comes out. flint2 will be immune and
> won't be out till at least July I have decided.

See http://trac.sagemath.org/sage_trac/ticket/8771

William

>
> Bill.
>
> On Apr 27, 6:58 pm, William Stein <wst...@gmail.com> wrote:
>> On Tue, Apr 27, 2010 at 9:23 AM, Bill Hart <goodwillh...@googlemail.com> 
>> wrote:
>> > Hi William,
>>
>> > What are the major differences in GCC 4.5.0 which seem to be affecting
>> > Sage?
>>
>> (1) New bug(s) in GCC-4.5.0, especially optimization related issues :-)
>>
>> (2) Tighter adherence to C++ standards.
>>
>> > Is there something new that we should be aware of when writing
>> > code for this compiler?
>>
>> MPIR builds fine... but a little bit of zn_poly had to be changed due
>> to (2) above.
>>
>>
>>
>>
>>
>>
>>
>> > Bill.
>>
>> > On Apr 26, 9:15 pm, William Stein <wst...@gmail.com> wrote:
>> >> Hi,
>>
>> >> Main point of this email: if anybody else is trying to port Sage work
>> >> with GCC-4.5.0, we won't duplicate effort.)
>>
>> >> I'm working on trying to port Sage-4.4 to GCC-4.5.0.  There are many
>> >> issues on various OS's.
>>
>> >>   * pynac (solved) --http://trac.sagemath.org/sage_trac/ticket/8753
>> >>   * libpng --http://trac.sagemath.org/sage_trac/ticket/8767
>> >>   * linbox --http://trac.sagemath.org/sage_trac/ticket/8769
>> >>   * gfan --http://trac.sagemath.org/sage_trac/ticket/8770
>>
>> >> I don't know how many other issues will come up.  I've made all the
>> >> above blockers for sage-4.4.1, since they are visible on skynet, and
>> >> we *get* skynet in exchange for ensuring that Sage builds on skynet
>> >> with the latest released GCC.
>>
>> >> I'll be working on trying to fix the above today, and will be logged
>> >> into irc in case anybody has any ideas.
>>
>> >>  -- William
>>
>> >> --
>> >> William Stein
>> >> Professor of Mathematics
>> >> University of Washingtonhttp://wstein.org
>>
>> >> --
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>> > --
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>>
>> --
>> William Stein
>> Professor of Mathematics
>> University of Washingtonhttp://wstein.org
>>
>> --
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>
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-- 
William Stein
Professor of Mathematics
University of Washington
http://wstein.org

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