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Re: gcc problem

To: Rick Roland <roland dot rick at lgt dot com>
Subject: Re: gcc problem
From: Andreas Jaeger <aj at suse dot de>
Date: Mon, 09 Jul 2001 14:38:29 +0200
Cc: "'gcc at gcc dot gnu dot org'" <gcc at gcc dot gnu dot org>
References: <1ED217C194E8D311A5890060942F6CFE060A3E@scbexc01s.bilvdz.bil.com>

Rick Roland <roland.rick@lgt.com> writes:

> Hi GCC team
>  
> Compiling the very simple attached test.c using gcc generates the error
> message below, where g++ does not, what I do really not understand.
>  
> $ gcc test.c
> Undefined                       first referenced
>  symbol                             in file
> atan                                /var/tmp/cc2qkIFV.o
> ld: fatal: Symbol referencing errors. No output written to a.out
> collect2: ld returned 1 exit status

This is not a bug in GCC but in your usage of GCC.

You have to add -lm, atan is part of libm.

Btw. please don't send html enhanced emails,

Andreas
-- 
 Andreas Jaeger
  SuSE Labs aj@suse.de
   private aj@arthur.inka.de
    http://www.suse.de/~aj

References:
- gcc problem
  - From: Rick Roland

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