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Re: [Gm2] building a shared object

From: Gaius Mulley
Subject: Re: [Gm2] building a shared object
Date: Thu, 22 Apr 2010 12:13:15 +0100
User-agent: Gnus/5.11 (Gnus v5.11) Emacs/22.2 (gnu/linux)

address@hidden writes:

> Hi Gaius,
> Thanks for the info.
> So the exported symbols are taken from a definition module.  Only for the
> "main" module (how is that specified?) or all modules in the project?  
> The shared object I'm trying to create has multiple modules.
> I tried building the project (3 modules) with
> gm2 -c -fiso -fshared -fPIC a.mod
> gm2 -c -fiso -fshared -fPIC b.mod
> gm2 -c -fiso -fshared -fPIC fmakelist main.mod
> gm2 -o -fiso -fshared -fPIC -shared -fuselist main.mod
> which produces the following error:
> *** glibc detected *** free(): invalid next size (normal):
> 0x000000000052f470 ***
> Aborted
> I can send the files if necessary, but maybe I've made a simple mistake.
> Thanks,
> Scott

Hi Scott,

yes please - it is always easier to explore the bug using gdb,


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