Thanks for the advice, I had some problems building previous version
of sage, and like that one - it solved by building sage from source. I
guess building from source is the best way to avoid many problems.

On Jan 3, 9:47 am, Alex Ghitza <[email protected]> wrote:
> On Sun, 3 Jan 2010 01:09:00 -0800 (PST), Eugene Goldberg 
> <[email protected]> wrote:
> > I've got two computers with archlinux (i686 and x86_64 versions) and
> > on both machines there is same problem installing sage:
>
> > $make
> > ....
> >   File "/home/ajunta/Binary/sage-4.3-linux-Ubuntu_9.10-x86_64-Linux/
> > local/lib/python2.6/site-packages/sage/interfaces/gap.py", line 362,
> > in _start
> >     raise RuntimeError, msg
> > RuntimeError: Unable to start gap
>
> > could you please advice what is wrong with it?
>
> Hi,
>
> It looks like you're trying to install from the binaries for Ubuntu, is
> that correct?  I have never tried that, but I wouldn't be suprised if it
> didn't work, since archlinux and ubuntu aren't really that close.
>
> One of these days I will find out how to make binaries and I'll produce
> 32 and 64 bit binaries for archlinux.  Until then, I suggest you
> download the source code for Sage and build it yourself.  It is a bit on
> the long side (a few hours), but it should work pretty well.  After you
> download sage-4.3.tar, untar it and look at the README.txt file.  It's
> not quite up to date, but it's pretty good.  In particular, Arch Linux
> is listed as unsupported, but several people have been building Sage on
> it for a while and it works fine.
>
> Before you start the build, make sure you have the prerequisites -- to
> those listed in README.txt, you have to add gcc-fortran.  You also need
> to set the environment variables SAGE_FORTRAN and SAGE_FORTRAN_LIB as
> described in README.txt.
>
> Good luck, and let us know if you have any more problems.
>
> PS: After writing the above, I noticed that Sage 4.3 is actually
> packaged in AUR, both as source (sage-mathematics) and as binary
> (sage-mathematics-bin).  So that could be another option.  (But I still
> think that the easiest and most robust way is to build from source.)
>
> Best,
> Alex
>
> --
> Alex Ghitza -- Lecturer in Mathematics -- The University of Melbourne
> -- Australia --http://www.ms.unimelb.edu.au/~aghitza/

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