[Rivet] Problem with gsl-config and 32/64-bit hybrid systems

[Holger Schulz]

On 25/05/10 12:14, Andy Buckley wrote:
> On 25/05/10 10:37, Holger Schulz wrote:
>    
>> Hi,
>>
>> I noticed that the configure script now uses 'gsl-config' to
>> find the appropriate GSL and CBLAS libraries. However,
>> on the NAF system there are 32 and 64-bit versions of these
>> libraries. I want to use the 64-bit ones, but gsl-config always
>> points to the 32-bit version. Also, it is not possible to
>> overwrite the choices made by gsl-config by using the
>> --with-gsl switch.
>>
>> Do you think that gsl-config is simply not working properly
>> in such a case? What do I have to do to properly override
>> it's choices?
>>      
> This is a continuing nightmare! Damn, I thought it was in a functional
> state now.
>
> The --with-gsl=DIR flag will try to find gsl-config in $DIR/bin:$PATH
> ... I guess that's not working? Possibly we should remove the appended
> $PATH when searching, if --with-gsl was specified... can you try doing
> that in m4/gsl.m4 for your NAF build and see if that works? You will
> have to run autoreconf again. If that solves the problem, send me a
> patch and I'll merge it into the M4 macro collection.
>    
Yes, I will try. It's a nice opportunity to finally sit down and
understnad a bit what these scripts are doing :)

Cheers,
Holger
> Andy
>
>