Troubleshooting with gcc 4.6

[santi]

Hi everyone,

I recently updated my Ubuntu 10.10 to 11.10 and since then I have been 
having problems with my compiler. I have seen that this new Ubuntu 
distribution uses gcc 4.6 whilest my old 10.10 used gcc 4.4.5 or 4.4.6.

The main problem I have nowadays is with the math.h library when I need 
to use functions as sqrt() or pow() that I used to use without any 
problem in the old distribution (well, I had to write the -lm option 
when I tried to compile my source files but it did run perfectly). Today 
I'm getting and unresolve refernce to 'sqrt' when I comile my files even 
though I'm using the -lm option.

Can anyone help me?

Thanks,

Santi Sabaté

NOTE: I'm using the Netbeans 7.0.1 IDE