On Wed, Feb 6, 2013 at 4:15 AM, Matthias Schroeder
<matthias.schro...@cern.ch> wrote:
> On 02/05/2013 06:51 PM, Alan McKay wrote:
>>
>> I see LAPACK 3.0 when I do "yum search", but the latest version is 3.4.2
>>
>> Is there any place to get the newer RPMs for SL 5?
>>
>> I've looked into building it but the instructions assume a knowledge
>> of using the package.  I'm just a lowly Sys Admin and want to build
>> this for some scientists I support.
>
>
> Have these scientists checked whether they really would need a newer
> version? I know that many people always want the newest version around, but
> in fact this is rarely justified.
> http://www.netlib.org/lapack/improvement.html has a list of changes in
> lapack. I think before you embark on rebuilding the latest lapack the
> scientists you have in mind just verify that they rely on any of the
> improvements listed. And if they can not point out which of the improvements
> have a direct impact on their work but just mumble 'just to be sure' or 'in
> general much better', I would not try to rebuild the stuff. A non-optimal
> rebuild might do more harm than good.

I just tested the Fedora 18 published version. It certainly compiles
successfully on SL 6, although I don't have a good test suite to work
with it. Simply get the Fedora RPM, and run "rpmbuild -ba
laback-[version].src.rpm". You will need to provide build
dependencies: if possible, I also highly recommend using "mock" to
build RPM's like this, so you get them built in a clean environment.

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