Zbar SDK - missing required architecture x86_64

Question

I had one problem during building application in the recent Xcode 5.1. Compilation fails with \"Undefined symbols for architecture x86_64\" error.

I build my project wit

Answer 1

Recompile ZBar for iphone 6

Steps

Download the source code (you must have Mercurial for mac):

Open Terminal and run following commands

a. hg clone http://zbar.hg.sourceforge.net:8000/hgroot/zbar/zbar

b. cd zbar

c. hg checkout iPhoneSDK-1.3.1

d. open iphone/zbar.xcodeproj

In the xcode project edit the "libzbar" scheme and select Release in Build configuration

Go to Build Settings set following Architectures

a. Architectures - >Standard architectures(armv7,armv72,arm64)

b. Valid Architectures -> arm64,armv7 armv7s

Compile libzbar for device AND for simulator, here the configuration:

Find the compiled libzbar.a and go in the folder using Teminal.app,

In My Case : /Users/kappe/Library/Developer/Xcode/DerivedData/zbar-gyozyrpbqzvslmfoadhqkwskcesd/Build/Products

In this folder you you should have two sub folder Release-iphoneos and Release-iphonesimulator

using xcode command line tools build your universal lib:

lipo -create Release-iphoneos/libzbar.a Release-iphonesimulator/libzbar.a -o libzbar.a

Now you can use the libzbar.a created, both in device and simulator.

Ref: xcode 5.1 - Undefined symbols for architecture x86_64 (zbar)