Problems linking libraries to device

Hi, I am having a problem linking to a library, but only when I am building for the device. When I build for the device it has problems saying a number of functions that I use, their symbols could not be found. Building for the simulator it works just fine. For fun I removed the library from Xcode and tried to build with the simulator. The simulator then gave me the same error messages. Why can it find the symbols from the library for the Simulator, but not for the Device? I have tried explicitly adding the -dylibMYLIB.dylib to the other linking flags, but this did not work.
Thanks,
David

I have found out that the reason is in my library. The simulator runs on i386 while the actual device will run on armv6. Also the iPhone library needs to be static. See this link for a very good explanation of it all. http://latenitesoft.blogspot.com/2008/10/iphone-programming-tips-building-unix.h tml
Unfortunately my library fails to compile using these tips, does anybody know of a way to take an existing i386 library and recompile it for armv6? That way I could take the existing library I got from MacPorts and make it work for the iPhone.
Hope the link helps a little.
-David

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Model Name:          Mac Pro
Model Identifier:          MacPro1,1
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Number of Processors:          2
Total Number of Cores:          4
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Memory:          6 GB
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