#11081: Update the "Install from Source Code" section of the Sage Installation
Guide
-----------------------------------+----------------------------------------
Reporter: drkirkby | Owner: mvngu
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-4.7
Component: documentation | Keywords:
Author: David Kirkby | Upstream: N/A
Reviewer: Karl-Dieter Crisman | Merged:
Work_issues: |
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Comment(by drkirkby):
Replying to [comment:5 kcrisman]:
> > > * A minor note should be added that gfortran is not provided by
Xcode on OS X, but that Sage provides a suitable Fortran compiler for OS
X.
> >
> > I can add that, though the current documentation does say in this very
file:
> >
> > ''On Mac OS X, you are not required to have a Fortran compiler on your
system. The Sage source distribution is shipped with a Fortran compiler
for Mac OS X. This Fortran compiler is used, unless you specify another
Fortran compiler via the variable SAGE_FORTRAN.''
>
> Is it anywhere near where your thing is? My concern was people on OS X
thinking they needed to get/had gfortran.
> They mean >5 sec, or >2 sec. on a fresh cache. Not minutes. Anyway,
there are very few systems, I think, where 'minutes' is the right word,
and we don't want to scare people.
Fair enough. As a matter of interest, William wrote here
http://www.mail-archive.com/[email protected]/msg46733.html
''"Indeed, if it takes 5-10 minutes for Sage to start (and yes it does on
some slow filesystems), then this wouldn't help at all"''
but I guess that is the exception rather than the rule. It takes 30 s on
my 2.0 GHz laptop. It appears to be I/O limited. I'll mention that.
> > > * "**Note from David Kirkby.** " - is that going to look ok in the
docs? Maybe instead using the ".. note:" syntax...
> >
> > In my opinion it looked ok, but perhaps I'm biased. I don't know how
to use the ''note syntax''. I wanted to make this quite prominent, as I
think its a pretty important point. We are documenting how to do something
that any decent system administrator knows one should never do.
> I haven't looked at it in the doc yet, so we'll see when we get there.
I'll make some revisions and post an update. Then perhaps you can generate
the documentation and look at in a browser.
Dave
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11081#comment:6>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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