Re: Help with Objective C compile

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Article #52180

#52180

From: I Stephenson
Date: Fri, 15 Jan 1993 15:37

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In article <1993Jan13.171735.62692@cc.usu.edu> edx@cc.usu.edu writes:
> I've built the gcc2.3.3 compiler
> on our SGI Indigo.  When I attempt
> to compile an small Objective-C test
> program, I'm linker errors:
> 
>    ld:
>    Error: Undefind:
>    objc_getClass
>    objc_msgSend
>    __objc_execClass
>    __objc_class_name_Object
>    collect: /usr/bin/ld returned 1 exit status
>    *** Error code 1
> 
> I'm already linking to the libgcc.a and the
> libobjc.a libraries...  So what other libs should
> I be linking to?
> 
I've just been building this on a mips R3000, and can tell you that the files  
taht you list ARE in libobjc.a. You're problem is that you've probably placed  
the "-lobjc" BEFORE any objectective C code, and hence the stuff doesn;t get  
included (the linker can't find refs to it so skips the files). Make sure that  
the library is the last thing on the line.

Ian Stephenson
ian@ohm.york.ac.uk

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From: ian@ohm.york.ac.uk (I Stephenson)
Newsgroups: gnu.gcc.help
Subject: Re: Help with Objective C compile
Message-ID: <1993Jan15.153716.16316@ohm.york.ac.uk>
Date: 15 Jan 93 15:37:16 GMT
References: <1993Jan13.171735.62692@cc.usu.edu>
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Organization: Electronics Department, University of York, UK
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