try with 'gcc -lm <programname>'
Regards,
Jay Shah
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----- Original Message -----
From: Philip S Tellis <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Friday, January 14, 2000 4:51 AM
Subject: [ILUG-BOM] Help with compiling C program
> I cannot compile (link actually) any program that has functions from
> math.h
>
> even something simple like this:
>
> #include <math.h>
>
> int main() {
> double a=4.3, b;
> b = sqrt(a);
> return 0;
> }
>
> will not link. I just get an error that says:
>
> a.o(.text+0x1e): undefined reference to `sqrt'
>
>
> It seems that the linker cannot find the definition of the sqrt function.
> Actually, neither can I.
>
> Will someone please tell me which library needs to be linked in to get a
> sqrt function working.
>
> I have egcs.
>
> Philip
>
>
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