weird C problem [SOLVED]
yehielb at mail.ru
Wed Aug 11 17:18:17 UTC 2010
On Wednesday August 11 2010 19:39:55 Ralf Corsepius wrote:
> On 08/11/2010 06:31 PM, Dj YB wrote:
> > $ cc a.c
> > /tmp/ccTaon4H.o: In function `main':
> > a.c:(.text+0x3e): undefined reference to `sqrt'
> > to be sure I checked man sqrt:
> > SYNOPSIS
> > #include<math.h>
> > double sqrt(double x);
> A couple of lines later you will find this sentence:
> " Link with -lm."
> Math functions are not contained in libc, they are in a separate library
> called libm.
> => cc a.c -lm
I knew there must be something really basic I am missing.
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