ios - Apple Mach-O Linker Error on device XCode 5.1 -


hello i've upgraded xcode 5.1 , app throws lot of errors when building on device (iphone 5s), when use simulator works fine on ios 7.1, error following:

undefined symbols architecture armv7:

in build setting in architectures , valid architectures have armv7, if leave standard arquitectures message following:

undefined symbols architecture arm64:

please need help, i've tried , cannot continue developing app. thank much

go project-> build phases- > click on + sign below. search libz.dylib in ios version , add it.


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