From: Jason Green <news AT jgreen4 DOT fsnet DOT co DOT uk>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Allegro programs won't compile
Date: Sun, 28 Jan 2001 11:04:56 +0000
Organization: Customer of Energis Squared
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To: djgpp AT delorie DOT com
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Please don't post to this group in HTML, and please set your line
length to something more reasonable.

"rujasu" <rujasu AT netzero DOT net> wrote:

> Whenever I try to compile a C program using allegro.h with GCC.EXE, 
> the compiler says "f:/djgpp/tmp\(some bizzare filename):(name of 
> program to be compiled): undefined reference to (function from 
> allegro.h)`' once for Allegro every function used in the program. The 
> Allegro example programs won't compile either, even though they 
> compiled fine when I ran make & the executables work fine, so I don't 
> think that my code is the culprit.  When I compile out of RHIDE, it 
> works fine, but I can't create an executable file through RHIDE.  What 
> is my problem?

Perhaps you are not linking with the library, you need -lalleg at the
end of the command line.  This is explained in the FAQ section 8.8
"Undefined references when linking programs".