gcc questions

Dotan Cohen dotancohen at gmail.com
Sun Nov 27 08:32:16 UTC 2005


On 11/27/05, Matthew Miller <mattdm at mattdm.org> wrote:
> On Sun, Nov 27, 2005 at 12:57:29AM +0200, Dotan Cohen wrote:
> > > gcc -lm 1_3.c
> > Thank you, it compiled now. I just spacebar'ed about 100 times in the
> > gcc man page looking for the "m" option that you mention. I did find
> > the "l" option (search the library named library when linking), but
> > not the "m" option.
>
> Right -- "m" isn't an option, but actually the name of the library. Well,
> actually, the library is "libm.so", but the -l assumes a prefix of lib and a
> suffix of .so.
>

Why doesn't it include the math library when I put at the top of the file:
# include <math.h>
?

Dotan Cohen
http://technology-sleuth.com/index.php


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