I can't compile this program!

[Jakub Ilski]

Hi.
On Friday 14 February 2003 06:25, japan wrote:
> I want to ask some questions!
>
> I have an ANSI C program named test.c:
>
> /*test.c*/
> #include <stdio.h>
> #include <math.h>
> main()
> {
>   printf("%f\n",sqrt(4));
>   return 0;
> }
>
> I can't compile this code. I used command:
>
> gcc -o test test.c
>
> Please tell me why and how to compile that code!
>
> Thanks.

You have to tell linker to add 'libm[ath]' library.

try:

gcc -lm -o test test.c