Mark Phillips wrote:
>
> Hi,
>
> The following program:
>
> #include <stdio.h>
> #include <math.h>
>
> int main(int argv, char **argc){
> double x;
>
> x=sqrt(5.0);
> }
>
> does not compile. Instead I get the errors:
>
> $ gcc thick.c
> /tmp/ccU9fgSr.o: In function `main':
> /tmp/ccU9fgSr.o(.text+0x16): undefined reference to `sqrt'
> collect2: ld returned 1 exit status
>
> What is wrong?
a) You need to add "-lm" to link in the math library
b) Your .sig gives me a headache
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