关于ios ZBar 二维码扫描

ld: warning: directory not found for option '-LZBarSDK'
 ld: '/Users/**/Documents/**/**/ios7 Scan QRCode/ZBarSDK-for-iOS-master/libzbar.a(ZBarReaderController.o)' does not contain bitcode. You must rebuild it with bitcode enabled (Xcode setting ENABLE_BITCODE), obtain an updated library from the vendor, or disable bitcode for this target. for architecture armv7
 clang: error: linker command failed with exit code 1 (use -v to see invocation)

这个错误简直是无情，求大神教我怎么解决，我要疯了