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Linking/symbol problem
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Linking/symbol problem


  • Subject: Linking/symbol problem
  • From: Jo Meder <email@hidden>
  • Date: Sun, 4 Dec 2005 16:47:47 +1300

Hi,

I'm using Xcode 2.2, Carbon/C++ and building universal binaries. I have a framework which links to a static library. I have an application which links to the framework. Like so :

static lib -> framework -> app

My problem is that the application cannot find a symbol which is in the static lib. If I run nm on the static lib I can see the symbol. If I run nm on the framework I can see symbols from the static lib which ( I'm guessing this is the reason ) the framework is using, but not the symbol I want to be able to call from the app.

Does anyone have any idea what might be going on ? As far as I can tell ( Xcode settings are pretty convoluted ) I have none of the stripping options turned on in any of the projects.

All this worked ok with Xcode 2.0, but I can't remember what I did ( if anything ) to get it working.

I've tried to generate a link map from the framework to see if the unused symbols from the static lib are being stripped, using the -M option in the Other Linker Flags section. I found that if I have that on when compiling for ppc and i386 then lipo complains and the framework doesn't link. If I switch the framework to ppc only then it links, but I can't see where the link map is being written out. Does anyone know what that file would be called and where it would found in relation to the project ?

Thanks.

Regards,

Jo

--
Jo Meder
Planetside Software
email@hidden

Terragen for Macintosh
Photorealistic landscapes on your Mac
<http://www.planetside.co.uk/terragen/mac/>

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