On 2010-Aug-02 05:41:22 -0700, Dima Pasechnik <dimp...@gmail.com> wrote:
>I just found that linking in addition against libgcc_s.so cures the
>problem.
>This is suspiciously similar to (presumably) freebsd-specific lapack
>trouble discussed in
>http://wiki.sagemath.org/freebsd/sage-4.5

And trac #9600 (as has been discovered).

>So this seems to be a proof that this is rather gcc-4.5-related,
>rather than FreedBSD-specific?!

I had recorded this as FreeBSD-specific because it presumably worked
on Linux.  As I noted, it is possible it is an issue with the way
atlas is built in Sage.

I suspect it's not directly gcc 4.5 related but rather gcc 4.5 shows
the problem by producing code that needs libgcc helper functions.

-- 
Peter Jeremy

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