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Message-ID: <5513449A.4010303@tiscali.co.uk>
Date: Wed, 25 Mar 2015 23:28:26 +0000
From: David Stacey <drstacey AT tiscali DOT co DOT uk>
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To: cygwin AT cygwin DOT com
Subject: Re: static vs. shared linking
References: <5510A9AB DOT 7020607 AT tiscali DOT co DOT uk>
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On 24/03/2015 00:02, David Stacey wrote:
> I've been having difficulty building poco-1.6.0 for Cygwin for some
> time. I've managed to produce a test case that shows the problem:
>
> https://dl.dropboxusercontent.com/u/119453582/Cygwin/crashtest.tar.xz
>
> This archive contains source files that produce a very simple library.
> When linked statically, the code works fine. However, when linked as a
> shared DLL, the test crashes with a core dump. The behaviour is
> identical on x86 and x86_64 architectures.

As a quick test, I moved all of the inlined code from crash_library.h 
into the cpp file, as I wanted to rule out some crazy inlining problem. 
As expected, the shared library version still crashed.

Dave.


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