Re: gsltest problems

[Steve ROBBINS <stever at bic dot mni dot mcgill dot ca>]

On Thu, 20 Jul 2000, William Brower wrote:

> It is either a "sed" problem, or a regexp problem, or both.
> I can't help with either but can give you the evidence.
> 
> The C program in the gsl.m4 contains symbols like $gsl_minor_version,
> etc. Those are replaced with the values obtained by running gsl-config
> and parsing the output with sed (around line 46 or so). I put in:
> 
> echo $gsl_major_version
> echo $gsl_minor_version
> echo $gsl_micro_version
> 
> to see what it thought those replacements should be.
> With GNU/Linux, I see
> 0
> 6
> 0
> as expected both by me and the C program.
> 
> With that crummy SGI (not using GNU's sed), I see
> 0
> 0.6
> 0.6

[ ... ]

> I can send the SGI's sed man page if you think it would be
> helpful. Perhaps some regexp apologist can think of a more
> robust method?

I discovered the following through trial-and-error, so I'm an
experimentalist, not an apologist!  ;-)

It turns out that SGI's 'sed' does not support the shorthand \? for
\{0,1\}.  I changed the sed lines of gsl.m4 and got the right answer.

-S