On Mon, Jul 13, 2009 at 5:21 AM, Dr. David Kirkby<[email protected]> wrote: > > Is there anything in Sage that needs gcc 4.3.0 or later, or will the > previous release (4.2.4) be ok?
4.2.4 "should" be OK. The compiler that everybody builds sage with on sage.math is 4.2.4. - William > > I've built about 8 versions of gcc on 't2', which is a Sun T5240 > > http://www.sun.com/servers/coolthreads/t5240/ > > 'coolthreads' machine with a pair of UltraSPARC T2 Plus processors (16 > cores and 128 hardware threads in total). > > The results of the MPFR test suite on this machine are interesting, as > it depends on the version of gcc used. > > gcc-3.4.3 : 0 MPFR failures > gcc-4.1.1 : 0 MPFR failures > gcc-4.2.1 : 0 MPFR failures > gcc-4.2.4 : 0 MPFR failures > gcc-4.3.0 : gcc 4.3.0 builds, but will not install for me. > gcc-4.3.1 : 20 MPFR failures > gcc-4.3.3 : 20 MPFR failures > gcc-4.4.0 : 20 MPFR failures > > Hence the latest which I can get to work with mpfr on 't2' is gcc 4.2.4. > > I get no such problems on my own machine, a Sun Blade 2000, which has a > couple of UltraSPARC II processors. On my own Sun Blade 2000, all MPFR > tests pass with any recent(ish) gcc version I have checked, including > the latest gcc 4.4.0. > > Dave > > > > > -- William Stein Associate Professor of Mathematics University of Washington http://wstein.org --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/sage-devel URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
