Subject: Re: Objective-C with gcc(version 2.6.0) problems
To: os AT resy2 DOT kfk DOT de (oliver schule)
Date: Thu, 20 Oct 1994 14:09:45 +0100 (MET)
Cc: djgpp AT sun DOT soe DOT clarkson DOT edu (user alias)
From: Christoph Kukulies <kuku AT acds DOT physik DOT rwth-aachen DOT de>
Reply-To: Christoph Kukulies <kuku AT acds DOT physik DOT rwth-aachen DOT de>

> 
> Hello,
> 
> I started to try compiling Objective-C programs with my gnu cc
> implementation (djgpp 1.12, gcc 2.6.0 on a 486 under MS-DOS).
> 
> A very short program, with
You gotta include at least:

#include <objc/Object.h>

> 
> main()
> {
> 	[Object alloc] ;
> }
> 
> generated (using gcc main.m -o main -lobjc) errors telling me
> 
> Undefined symbol "global constructors keyed to main" referenced
> 
> There was a similar question a few days ago concerning the linux
> implementation of Objective-C in the news. It was mentioned, that the old
> version of gcc (2.5.8) does not have this problem.
> 
> Also I could not compile the sample program of the news faq.
> 
> Could anybody out there give me some advice.
> 
> Thanks in advance
> 
> 		Oliver
> 
> +----------------------------------------------------------------------------+
> |Dipl. Math. Oliver Schuele                       |                          |
> |Kernforschungszentrum Karlsruhe                  | Internet os AT resy2 DOT kfk DOT de |
> |Institut fuer Neutronenphysik und Reaktortechnik | Phone    +49 7247 82 4691|
> |P.O. Box 3640      76021 Karlsruhe       Germany | FAX      +49 7247 82 5508|
> +----------------------------------------------------------------------------+
> 

--Chris  Christoph P. U. Kukulies    kuku AT acds DOT physik DOT rwth-aachen DOT de	 
FreeBSD 2.0.0 (Development) #0: Tue Oct 11 22:00:50  1994
    root AT mvx1b1:/usr/src/sys/compile/JAZZ