Thanks for the explanations!

For my own build, I recovered by doing "sage -ba" as previously
reported.  So I don't know whether the original problem (running sage
for the first time after an apparently successful build) was caused by
the SAGE_PBUILD thing or not.  Before doing "sage -ba" I also did
export SAGE_PBUILD=
which was intended to "switch off" this feature.

John

2008/5/2 mabshoff <[EMAIL PROTECTED]>:
>
>  On May 1, 9:02 pm, "John Cremona" <[EMAIL PROTECTED]> wrote:
>
>  Hi John,
>
>
>  > Thanks -- I mistakenly thought "pbuild" was short for "parallel build".
>
>  Yes, it is meant to emphasize the parallel nature. Gary builds
>  routinely with 8 cores on his box and it cuts down the build time in a
>  linear fashion.
>
>
>  >  If it is not about building Sage, while is it called  SAGE_PBUILD?
>
>  It is building the Sage library in parallel. I guess since I sat next
>  to Gary when the ideas where formulated by us it is so obvious to me
>  that I would never consider anything else. But I guess the problem is
>  that Sage is three things as William always points out in his talks.
>
>  Gary wants to do build spkg in parallel, but I am more than skeptical
>  if that is worth it and doesn't open up a whole other can of worms.
>  That said I am sure we will have parallel spkg builds in less than six
>  months ;)
>
>
>  > Anyway, can someone remind me what causes this and how to fix it?
>
>  wjp found the likely cause and Gary is posting a patch, so hopefully
>  it will all be sorted out in rc0.
>
>  Cheers,
>
>  Michael
>
>
>
>  >
>

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