Re: undefined reference to `ceil'

[Pietro Abate <Pietro.Abate@anu.edu.au>]

gcc -lm test_ceil.c ?
you have to link libm.a  to you program explicitely.

p

On Tue, Feb 03, 2004 at 09:07:35PM +1100, Jim Watson wrote:
> Hi,
> 
> i would appreciate some help to see if this test program is valid before i
> file a bug,
> 
> thanks
> 
> jim
> 
> jim@sun:~/C$ gcc -o test_ceil test_ceil.c
> /tmp/ccwfWhXU.o(.text+0x1c): In function 
ain':
> : undefined reference to eil'
> collect2: ld returned 1 exit status
> 
> jim@sun:~/C$ cat test_ceil.c
> #include<math.h>
> int main(void)
> {
>         double cvalue;
>         cvalue = ceil((double)1);
> }
> 
> jim@sun:~/C$ gcc --version
> gcc (GCC) 3.3.3 20040125 (prerelease) (Debian)
> 
> 
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