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From: Rainer Hochreiter <rainer AT hochreiter DOT at>
Subject: RE: c++ exceptions in shared library results in crash
Date: Thu, 13 Jan 2005 14:16:41 +0100
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Message-ID: <pan.2005.01.13.13.16.40.37444@hochreiter.at>
References: <001e01c4f951$7bf2bf70$6b4861cb AT DANNY>
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On Thu, 13 Jan 2005 22:23:02 +1300, Danny Smith wrote:

> From: "Rainer Hochreiter"
> --------------------------------------------------------------------------------
> 
>> throwing an exception in the shared library results in a core dump of the
>> binary executable - but only for the cross-compiled version!
> 
> cygwin and mingw gcc sources contain a local patch to allow
> throwing C++ exceptions across dll/exe boundaries. These
> local hacks have never been submitted to FSF GCC lists. Without
> this patch, one option you have to allow exceptions across dll/exe
> boudaries is to build libstdc++.a and libgcc.a as dlls. This is not done by GCC
> makefiles, but can be done done manually. Libstdc++ dll  relies on auto-import
> functionality, so watch your pseudo-runtime-relocs (a techno name for "blue
> psuede shoes")

how can i found out whether my sources hace this patch included?
can you give me a hint, how to build libstdc++ and libgcc as dlls,
cause i'm not really familiar with auto-import and 
pseudo-runtime-relocs???


Rainer



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