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same function, different mangled names

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same function, different mangled names

Subject: same function, different mangled names
From: Stefan Werner <email@hidden>
Date: Wed, 3 Aug 2005 17:32:50 +0200

Hi,

why do identical C++ symbols get different mangled names? For example:
I build a dynamic library that exports these two symbols:

002f2b68 s __ZN15wxDocChildFrameD0Ev
002f2b28 s __ZN15wxDocChildFrameD1Ev

My project, built with the same headers, linking against this dylib, won't link because it's missing this symbol:

__ZN15wxDocChildFrameD1Ev

When I unmangle them with c++filt, all three of them return

wxDocChildFrame::~wxDocChildFrame()

Why are there three different mangled names for the same destructor, and more important: How do I get my program to link correctly? Is something wrong with my build settings? I'm using gcc3.3 in both cases.

Thanks for your help,
Stefan
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