[Help-gsl] gsl_block_alloc problem with intel 64bit (Linux)

[Lynn Huh]

Hello,

I tried to build the following code, but it returns error like this:
(intel 64bit machine, Fedora 15, Code::Blocks.
The GSL I installed was from rpm.pbone.net for Fedora 15 with
x86_64 architecture.)

||=== Block01, Debug ===|
obj/Debug/Function.o||In function `main':|
/home/Astrokitten/C++/Block01/Function.cpp|8|undefined reference to 
`gsl_block_alloc'|
/home/Astrokitten/C++/Block01/Function.cpp|11|undefined reference to 
`gsl_block_free'|
||=== Build finished: 2 errors, 0 warnings ===|

Code:

#include <iostream>
#include <iomanip>
#include <gsl/gsl_block.h>
using namespace std;
int main()
{
    gsl_block *b=gsl_block_alloc(100);
    cout<<"Length of block: "<<b->size<<endl;
    cout<<"Address of block: "<<hex<<b->data<<endl;
    gsl_block_free(b);
    return 0;
}

The same code ran fine in 32bit machine with Windows XP,
Code::Blocks.

Am I doing something wrong?

Thank you in advance for your help.