From: "Chris A. Triebel" <cat AT sun4 DOT iol DOT unh DOT edu>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Compiling Allegro Examples
Date: Tue, 24 Sep 1996 08:09:13 -0400
Organization: University of New Hampshire  -  Durham, NH
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To: djgpp AT delorie DOT com
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On 22 Sep 1996, Takahiro Horie wrote:

> Date: 22 SEP 1996 20:54:23 GMT 
> From: Takahiro Horie <takahiro AT ix DOT netcom DOT com>
> Newgroups: comp.os.msdos.djgpp
> Subject: Compiling Allegro Examples 
> 
> Dear Allegro Gurus,
> 
> Thanks for looking at my query. I just got Allegro 2.1 and am very
> excited to start using it. I ran the demo and the examples and I was
> completely stunned! 
> Now that I am going to try to make some things myself, I tried to 
> compile the EX1.C source:
> 
>   gcc ex1.c
> 
> and the result was 13 errors:

>  
>   ex1.c(.text+0x19): undefined reference to 'allegro_init'
>   ex1.c(.text+0x1e): undefined reference to 'install_keyboard'
>                          etc...
> 
When you see these errors check to make sure you are not missing a 
library on your command line.  Especially when you are using an add-on 
package.  Your command line should be ...

	gcc ex1.c -lalleg

The -l parameter is used to tell the linker to use additional libraries 
when looking for references to objects/functions.

cat