From mboxrd@z Thu Jan  1 00:00:00 1970
From: Steven Smith <sos22@cam.ac.uk>
Subject: Re: undefined sqrt()
Date: Thu, 24 Oct 2002 21:28:47 +0100
Sender: linux-c-programming-owner@vger.kernel.org
Message-ID: <20021024202847.GA11866@cam.ac.uk>
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> When I try to compile it, I get these messages:
>=20
> dragoon:/home/tschulze/bin # gcc -Wall -o glide glide.c
> /tmp/ccXahjXY.o: In function `main':
> /tmp/ccXahjXY.o(.text+0x98): undefined reference to `sqrt'
> collect2: ld returned 1 exit status
>=20
> Could someone please give me a hint why this doesn't work?
You need to link with the maths library.  Try this:

gcc -Wall -o glide glide.c -lm

Steven Smith,
sos22@cam.ac.uk.

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