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Re: resolving back-links with dlopen

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Re: resolving back-links with dlopen

Subject: Re: resolving back-links with dlopen
From: Jean-Daniel Dupas <email@hidden>
Date: Tue, 24 Mar 2009 22:14:12 +0100


Le 24 mars 09 à 21:32, Mattias Holm a écrit :

Hi,
How do I load a .dylib file so that it resolves symbols in the executable loading it. I have built my lib with "-undefined dynamic_lookup", but I get errors like: dlopen(/Users/holm/Projects/ orbit/oo/build/x86-darwin/src/Open Orbit Debug.app/Contents/ Resources/plugins/libexamplePlugin.dylib, 6): Symbol not found: _omNewClass

Are there any special flags to pass when building the executable or the library so it finds the symbols from the executable file?

Code loaded at runtime should be a Bundle, not a Dynamic Library. You should build it using the gcc's -bundle_loader option.

http://developer.apple.com/documentation/developertools/conceptual/XcodeBuildSystem/500-Linking/bs_linking.html


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