Three20 JSON problem: Can deploy to simulator but not device (extThree20JSON)

Question

Everything builds and runs in the simulator fine ... but when I attempt to run on device I get:

"arm-apple-darwin10-gcc-4.2.1: ..../three20/Build/Products/Debug-iphoneos/libextThree20JSON+YAJL.a: No such file or directory"

I check that directory and indeed the file doesn't exist. It does exist in the "Debug-iphoneosimulator" though (which I guess explains why it works in the simulator).

So what gives and what can I do to correct this?

Thanks

Answer 1

Are you building libextThree20JSON+YAJL.a from source, or did you just copy that .a file into your project? If the latter, the problem is probably that it is built for your computer's architecture (probably i386 or x86_64) and not ARM, what the iPhone/iPad use. To work on the device you need to either add the ARM-built version to your project, or add the library's source to your project so that it will automatically be built for the correct architecture with the rest of your code.