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Date: Wed, 5 Nov 2003 12:40:09 +0100
From: "Gerrit P. Haase" <gp AT familiehaase DOT de>
Reply-To: "Gerrit P. Haase" <gp AT familiehaase DOT de>
Organization: Esse keine toten Tiere
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Message-ID: <5311426515.20031105124009@familiehaase.de>
To: Milton Woods <milton DOT woods AT adelaide DOT edu DOT au>
CC: cygwin AT cygwin DOT com
Subject: Re: Cygwin gcc-3.3.1 and pragma interface/implementation statements
In-Reply-To: <3FA88BC9.8090902@adelaide.edu.au>
References: <3FA88BC9 DOT 8090902 AT adelaide DOT edu DOT au>
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Hello Milton,

Wednesday, November 5, 2003, 6:34:01 AM, you wrote:

> Greetings,

> When building LyX version 1.3.x from source on Cygwin, I had problems 
> during the final link stage where gcc-3.3.1 reported some undefined 
> symbols. All of the 'undefined' symbols were actually defined in the LyX 
> source code, and the compilation proceeded without errors on Linux. I 
> found that the compilation was also successful on Cygwin once the 
> #pragma interface/implementation statements were removed from the LyX 
> source code. The LyX developers had taken reasonable care to protect the 
> #pragma statements from incompatible compilers by using "#ifdef __GNUG__ 
> " wrappers, but that did not seem to be good enough.

It is a known issue that #pragma interface/implementation doesn't work with
Cygwin g++, no solution/fix is known yet.

> Does this experience reflect a bug in the gcc toolchain? Or are the LyX 
> developers using #pragma statements incorrectly?

No, it is ok with linux.

-- 
Best regards,
 Gerrit 


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