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Message-id:	<5182B2A6.10406@cygwin.com>
Date:	Thu, 02 May 2013 14:38:30 -0400
From:	"Larry Hall (Cygwin)" <reply-to-list-only-lh AT cygwin DOT com>
Reply-to:	cygwin AT cygwin DOT com
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To:	cygwin AT cygwin DOT com
Subject:	Re: Compiling Objective-C Using Cygwin
References:	<loom DOT 20130502T194524-806 AT post DOT gmane DOT org>
In-reply-to:	<loom.20130502T194524-806@post.gmane.org>

On 5/2/2013 2:00 PM, Eric Kessler wrote:
> I am trying to learn Objective-C using Cygwin.
>
> First I wrote a hello world program in C and compiled it thus:
>
> gcc -o inventry inventry.c
>
> and it worked perfectly.
>
> Then I renamed the source file inventory.m, and since every C program
> should be a valid Objective-C program, compiled it thus:
>
> gcc -o inventry inventry.m -lobjc
>
> and got the following error:
>
> gcc: error trying to exec 'cc1obj': execvp: No such file or directory
>
> I did a web search of that error message, and found that I needed to
> install gobjc.  I could not find gobjc on the installer package from the
> mirror site from which I had originally installed cygwin, so I got it from
> a site called "ubuntu" and installed it.

You can't do this.  Cygwin != Linux!

> Now I get the following error:
>
> gcc: error trying to exec '/usr/lib/gcc/i686-pc-cygwin/4.5.3/cc1obj':
> execv: Exec format error
>
> I did a web search of that error, and found something that said that
> cygwin was not installed properly and needs to be reinstalled.  I assume
> that means that the version of gobjc that I installed from "ubuntu" was
> not compatible with my cygwin installation.
>
> So how do I get gobjc from the standard installer package?  I don't see it
> listed in the list of packages to install?

<http://cygwin.com/cgi-bin2/package-cat.cgi?file=gcc4-objc%2Fgcc4-objc-4.5.3-3&grep=cc1obj>

Install gcc4-objc.


-- 
Larry

_____________________________________________________________________

A: Yes.
 > Q: Are you sure?
 >> A: Because it reverses the logical flow of conversation.
 >>> Q: Why is top posting annoying in email?

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