Command

Ld /Users/svanter/Library/Developer/Xcode/DerivedData/Today-fwbocoigxhinoqcjapbfvowxhzwp/Build/Products/Debug-iphoneos/todayGHUnitTests.app/todayGHUnitTests normal armv7
    cd /Users/svanter/git/iOS-TodayApp/Today
    setenv IPHONEOS_DEPLOYMENT_TARGET 6.1
    setenv PATH "/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin:/Applications/Xcode.app/Contents/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin"
    /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -arch armv7 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS6.1.sdk -L/Users/svanter/Library/Developer/Xcode/DerivedData/Today-fwbocoigxhinoqcjapbfvowxhzwp/Build/Products/Debug-iphoneos -L/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS6.1.sdk/usr/lib/system -F/Users/svanter/Library/Developer/Xcode/DerivedData/Today-fwbocoigxhinoqcjapbfvowxhzwp/Build/Products/Debug-iphoneos -F/Users/svanter/git/iOS-TodayApp/Today/Pods/HockeySDK/Vendor -F/Applications/Xcode.app/Contents/Developer/Library/Frameworks -filelist /Users/svanter/Library/Developer/Xcode/DerivedData/Today-fwbocoigxhinoqcjapbfvowxhzwp/Build/Intermediates/Today.build/Debug-iphoneos/todayGHUnitTests.build/Objects-normal/armv7/todayGHUnitTests.LinkFileList -dead_strip -ObjC -ObjC -framework Foundation -framework SenTestingKit -ObjC -llibz.dylib -lsqlite3 -lsqlite3.0 -lxml2 -lz -framework AssetsLibrary -framework CFNetwork -framework Chute-SDK -framework CoreData -framework CoreGraphics -framework CoreLocation -framework CrashReporter -framework EventKit -framework MessageUI -framework MobileCoreServices -framework QuartzCore -framework Security -framework SystemConfiguration -framework UIKit -weak_framework Accounts -weak_framework AdSupport -weak_framework Social -all_load -fobjc-arc -fobjc-link-runtime -miphoneos-version-min=6.1 -framework SenTestingKit -framework UIKit -framework Foundation -framework CoreGraphics -lPods-todayGHTests -lPods -o /Users/svanter/Library/Developer/Xcode/DerivedData/Today-fwbocoigxhinoqcjapbfvowxhzwp/Build/Products/Debug-iphoneos/todayGHUnitTests.app/todayGHUnitTests

Error

ld: library not found for -llibz.dylib
clang: error: linker command failed with exit code 1 (use -v to see invocation)