Re: [Help-gsl] undefined reference of gsl_eigen_gensymmv_sort

[Patrick Alken]

Hi,

  Yes you need 1.10 for the gensymmv_sort function. It seems to me
you may still have the old 1.9 version around and its trying to use
that when you run your program. I'd recommend looking to see if 1.9
is still installed and remove it if so.

On Wed, Nov 28, 2007 at 11:45:21PM +0000, Andrea Duggento wrote:
> 
> Hi guys!
> 
> I am trying to use the function  gsl_eigen_gensymmv_sort .
> I would have written to address@hidden if this function wasn't so important 
> and (probably well tested).
> Well, I have  Debian  2.6.18-4-486 
> I do massive use of a lot of gsl and gslcblas functions.
> Today I used for the first time the function gsl_eigen_gensymmv_sort.
> But, compiling with the command "gcc  -lm -lgslcblas -lgsl  main.c "
> it returned:
> 
> /tmp/ccDjxg9A.o: In function `main':
> main_split.c:(.text+0xe687): undefined reference to `gsl_eigen_gensymmv_sort'
> collect2: ld returned 1 exit status
> 
> :o
> 
> It was linking properly some other functions inside gsl_eigen.h  but not this 
> one?
> 
> Not knowing what to do, I decide to upgrade my gsl libraries from version 1.9 
> to 1.10  .
> Then it compiled and linked smoothly.
> 
> I run the code and, in the moment of using the that function, in the middle 
> of 
> the execution, zac:
> 
> ./a.out: symbol lookup error: ./a.out: undefined symbol: 
> gsl_eigen_gensymmv_sort
> 
> 
> Is it a bug? I really have not competence for understanding this thing.
> Any kind of help would be greatly appreciated!
> 
> Thanks a lot and Cheers from Lancaster (UK)
> Andrea
> 
> 
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