[SciPy-dev] building lib.lapack without optimization

Pearu Peterson pearu at scipy.org
Wed Dec 1 11:40:55 CST 2004



On Wed, 1 Dec 2004, Nils Wagner wrote:

>> If not, create a C program that is using the corresponding routine to prove 
>> a possible bug in ATLAS or compiler. Then report your findings to scipy-dev 
>> and we'll try to find a workaround for you.
>
> gcc main.c -L/var/tmp/LAPACK -llapack -lg2c
>
> /home/nwagner> gdb a.out
>
> (gdb) run
> Starting program: /home/nwagner/a.out
>
> Program received signal SIGSEGV, Segmentation fault.
> 0x400961db in cheev_ () from /usr/lib/liblapack.so.3
>
> I do not understand the usage of /usr/lib/liblapack.so.3. This library comes 
> with SuSE as an rpm...

Does anyone have a good reference about linking basics for Nils?

Pearu




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