From mboxrd@z Thu Jan  1 00:00:00 1970
From: bugzilla-daemon-590EEB7GvNiWaY/ihj7yzEB+6BGkLq7r@public.gmane.org
Subject: [Bug 60749] Do not need to link against -lm for fabs*()
Date: Thu, 29 Aug 2013 10:09:26 +0000
Message-ID: <bug-60749-11311-pGBJHlF72Q@https.bugzilla.kernel.org/>
References: <bug-60749-11311@https.bugzilla.kernel.org/>
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https://bugzilla.kernel.org/show_bug.cgi?id=60749

--- Comment #1 from Jeyaram <rjayavrp2-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> ---
Following code also works fine without linking with -lm

#include <math.h>
#include <stdlib.h>
#include <stdio.h>

int main(int argc, char **argv)
{
   printf("%lf\n", pow(5,3));
   return 0;
}

Actually, libc some how includes the math library
"/lib/i386-linux-gnu/libm.so.6".

If this file is not available, then following error message is displayed.

/usr/lib/gcc/i686-linux-gnu/4.7/cc1: error while loading shared libraries:
libm.so.6: cannot open shared object file: No such file or directory

I tried it by renaming libm.so.6. 

Solution:

I request not to remove the line "Link with -lm". This is mandatory.

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