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From: gautier_niouzes@hotmail.com
Newsgroups: comp.lang.ada
Subject: Re: error running openGL/Ada demo from GLOBE_3D using GNAT 2012
Date: Sun, 15 Jul 2012 19:11:40 -0700 (PDT)
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Date: 2012-07-15T19:11:40-07:00
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Hi Nasser!

> Now the bad news :) For the other demo, globe_3d_demo_linux, the
> above trick does not work. The error is a build error. Even
> though I did gnatclean few times and rebuild things again
> and again.
> 
> &gt;LIBGL_ALWAYS_INDIRECT=1 ./globe_3d_demo_linux
> 
> ./globe_3d_demo_linux: Symbol `system__restrictions__run_time_restrictions&#39; has different size in shared object, consider re-linking
> 
> ./globe_3d_demo_linux: Symbol `ada__strings__unbounded__unbounded_stringT&#39; has different size in shared object, consider re-linking
> 
> ./globe_3d_demo_linux: symbol lookup error: ./globe_3d_demo_linux: undefined symbol: __gnat_eh_personality
> 
> I do not know why mini demo works OK, but not this one. So, I think
> there is still a library issue here?

The executable freshly built is called "globe_3d_demo".
Unless you've renamed it, "globe_3d_demo_linux" is still the old 2011 file with fragile shared object linking :-) .

NB: the .gpr for next release has now "-static", so you would not get this message in a similar situation.