问题
I am trying to include the Estimote SDK 3.0 into my project, but i am getting the following linking error:
Undefined symbols for architecture arm64:
"_OBJC_CLASS_$_ESTBeaconRegionWrapper", referenced from:
objc-class-ref in EstimoteSDK(ESTSecureBeaconManager.o)
ld: symbol(s) not found for architecture arm64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
I have added the framework to the 'Build phase' and checked that the framework search directory setting contains the directory.
I downloaded the example App from Estimote, and it used the same framework (that is where I copied it from) and that build fine. I can't see any obvious differences.
How can I figure out what is wrong?
EDIT: I am using Xcode 6.2. I am building for an iPhone 6 (said architectures arm64, armv7, armv7s). After the question below I build for armv7s, and I get the same error (for armv7s). So there must be a problem linking the Framework.
EDIT 2: I removed the -ObjC 'Other linker flag', as adding that to the Estimote project generates the same error. However now I get a lot more errors:
Ld /Users/.../iDomsPortalDev normal arm64
cd "/Users/.../idoms-portal"
export IPHONEOS_DEPLOYMENT_TARGET=7.0
export 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 arm64 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS8.2.sdk -L/Users/.../Products/Debug-iphoneos -F/Users/.../Products/Debug-iphoneos -FiDoms/frameworks -F/Applications/Xcode.app/Contents/Developer/Library/Frameworks -filelist /Users/.../Debug-iphoneos/iDoms\ Dev.build/Objects-normal/arm64/iDomsPortalDev.LinkFileList -Xlinker -rpath -Xlinker @executable_path/Frameworks -dead_strip -lxml2 -lc++ -fobjc-arc -fobjc-link-runtime -miphoneos-version-min=7.0 -framework CrashReporter -framework EstimoteSDK -weak_framework Accelerate -weak_framework Social -weak_framework Twitter -framework MessageUI -framework MapKit -framework AVFoundation -framework SystemConfiguration -framework MediaPlayer -framework QuartzCore -framework UIKit -framework Foundation -framework CoreGraphics -framework CoreData -framework CoreLocation -Xlinker -dependency_info -Xlinker /Users/.../Debug-iphoneos/iDoms\ Dev.build/Objects-normal/arm64/iDomsPortalDev_dependency_info.dat -o /Users/.../iDomsPortalDev
Undefined symbols for architecture arm64:
"_CBAdvertisementDataServiceDataKey", referenced from:
+[ESTDeviceDataHelper parseAdvertisingData:] in EstimoteSDK(ESTDeviceDataHelper.o)
"_OBJC_CLASS_$_CBCentralManager", referenced from:
objc-class-ref in EstimoteSDK(ESTBeaconDevice.o)
"_kSecAttrService", referenced from:
-[ESTKeychain dataForKey:] in EstimoteSDK(ESTKeychain.o)
-[ESTKeychain setObject:forKey:] in EstimoteSDK(ESTKeychain.o)
+[ESTKeychain bundleSeedID] in EstimoteSDK(ESTKeychain.o)
"_kSecAttrAccessibleAfterFirstUnlock", referenced from:
-[ESTKeychain setObject:forKey:] in EstimoteSDK(ESTKeychain.o)
"_OBJC_CLASS_$_CBUUID", referenced from:
objc-class-ref in EstimoteSDK(ESTBeaconDevice.o)
objc-class-ref in EstimoteSDK(ESTBluetoothServiceAuth.o)
objc-class-ref in EstimoteSDK(ESTBluetoothServiceEstimote.o)
objc-class-ref in EstimoteSDK(ESTBluetoothServiceOta.o)
objc-class-ref in EstimoteSDK(ESTBluetoothServiceSoftware.o)
objc-class-ref in EstimoteSDK(ETBluetoothMath.o)
"_kSecAttrAccessibleWhenUnlocked", referenced from:
-[ESTKeychain setObject:forKey:] in EstimoteSDK(ESTKeychain.o)
"_kSecReturnAttributes", referenced from:
+[ESTKeychain bundleSeedID] in EstimoteSDK(ESTKeychain.o)
"_kSecAttrAccessible", referenced from:
-[ESTKeychain setObject:forKey:] in EstimoteSDK(ESTKeychain.o)
"_kSecAttrAccessibleAlways", referenced from:
-[ESTKeychain setObject:forKey:] in EstimoteSDK(ESTKeychain.o)
"_CBCentralManagerScanOptionAllowDuplicatesKey", referenced from:
-[ESTBeaconDevice startScanning] in EstimoteSDK(ESTBeaconDevice.o)
"_SecItemDelete", referenced from:
-[ESTKeychain setObject:forKey:] in EstimoteSDK(ESTKeychain.o)
"_kSecAttrAccessibleAfterFirstUnlockThisDeviceOnly", referenced from:
-[ESTKeychain setObject:forKey:] in EstimoteSDK(ESTKeychain.o)
"_kSecAttrAccessibleAlwaysThisDeviceOnly", referenced from:
-[ESTKeychain setObject:forKey:] in EstimoteSDK(ESTKeychain.o)
"_SecItemUpdate", referenced from:
-[ESTKeychain setObject:forKey:] in EstimoteSDK(ESTKeychain.o)
"_kSecAttrAccessibleWhenUnlockedThisDeviceOnly", referenced from:
-[ESTKeychain setObject:forKey:] in EstimoteSDK(ESTKeychain.o)
"_SecItemAdd", referenced from:
-[ESTKeychain setObject:forKey:] in EstimoteSDK(ESTKeychain.o)
+[ESTKeychain bundleSeedID] in EstimoteSDK(ESTKeychain.o)
"_SecItemCopyMatching", referenced from:
-[ESTKeychain dataForKey:] in EstimoteSDK(ESTKeychain.o)
+[ESTKeychain bundleSeedID] in EstimoteSDK(ESTKeychain.o)
"_kSecClass", referenced from:
-[ESTKeychain dataForKey:] in EstimoteSDK(ESTKeychain.o)
-[ESTKeychain setObject:forKey:] in EstimoteSDK(ESTKeychain.o)
+[ESTKeychain bundleSeedID] in EstimoteSDK(ESTKeychain.o)
"_kSecClassGenericPassword", referenced from:
-[ESTKeychain dataForKey:] in EstimoteSDK(ESTKeychain.o)
-[ESTKeychain setObject:forKey:] in EstimoteSDK(ESTKeychain.o)
+[ESTKeychain bundleSeedID] in EstimoteSDK(ESTKeychain.o)
"_kSecAttrAccount", referenced from:
-[ESTKeychain dataForKey:] in EstimoteSDK(ESTKeychain.o)
-[ESTKeychain setObject:forKey:] in EstimoteSDK(ESTKeychain.o)
+[ESTKeychain bundleSeedID] in EstimoteSDK(ESTKeychain.o)
"_kSecValueData", referenced from:
-[ESTKeychain setObject:forKey:] in EstimoteSDK(ESTKeychain.o)
"_kSecAttrAccessGroup", referenced from:
-[ESTKeychain dataForKey:] in EstimoteSDK(ESTKeychain.o)
-[ESTKeychain setObject:forKey:] in EstimoteSDK(ESTKeychain.o)
+[ESTKeychain bundleSeedID] in EstimoteSDK(ESTKeychain.o)
"_kSecMatchLimitOne", referenced from:
-[ESTKeychain dataForKey:] in EstimoteSDK(ESTKeychain.o)
"_kSecMatchLimit", referenced from:
-[ESTKeychain dataForKey:] in EstimoteSDK(ESTKeychain.o)
"_kSecReturnData", referenced from:
-[ESTKeychain dataForKey:] in EstimoteSDK(ESTKeychain.o)
ld: symbol(s) not found for architecture arm64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
[Edit 3:] With the Security.framework added it seems to make another step:
Ld /Users/.../Products/Debug-iphoneos/iDomsPortalDev.app/iDomsPortalDev normal arm64
cd "/Users/.../idoms-portal"
export IPHONEOS_DEPLOYMENT_TARGET=7.0
export 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 arm64 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS8.2.sdk -L/Users/.../Products/Debug-iphoneos -F/Users/.../Library/Frameworks -filelist /Users/.../iDoms.build/Debug-iphoneos/iDoms\ Dev.build/Objects-normal/arm64/iDomsPortalDev.LinkFileList -Xlinker -rpath -Xlinker @executable_path/Frameworks -dead_strip -lxml2 -fobjc-arc -fobjc-link-runtime -miphoneos-version-min=7.0 -framework Security -framework CrashReporter -framework EstimoteSDK -weak_framework Accelerate -weak_framework Social -weak_framework Twitter -framework MessageUI -framework MapKit -framework AVFoundation -framework SystemConfiguration -framework MediaPlayer -framework QuartzCore -framework UIKit -framework Foundation -framework CoreGraphics -framework CoreData -framework CoreLocation -Xlinker -dependency_info -Xlinker /Users/Luuk/Library/Developer/Xcode/DerivedData/iDoms-gperwbbtttggqpcvozenraexrhrx/Build/Intermediates/iDoms.build/Debug-iphoneos/iDoms\ Dev.build/Objects-normal/arm64/iDomsPortalDev_dependency_info.dat -o /Users/Luuk/Library/Developer/Xcode/DerivedData/iDoms-gperwbbtttggqpcvozenraexrhrx/Build/Products/Debug-iphoneos/iDomsPortalDev.app/iDomsPortalDev
Undefined symbols for architecture arm64:
"_OBJC_CLASS_$_CBCentralManager", referenced from:
objc-class-ref in EstimoteSDK(ESTBeaconDevice.o)
"_OBJC_CLASS_$_CBUUID", referenced from:
objc-class-ref in EstimoteSDK(ESTBeaconDevice.o)
objc-class-ref in EstimoteSDK(ESTBluetoothServiceAuth.o)
objc-class-ref in EstimoteSDK(ESTBluetoothServiceEstimote.o)
objc-class-ref in EstimoteSDK(ESTBluetoothServiceOta.o)
objc-class-ref in EstimoteSDK(ESTBluetoothServiceSoftware.o)
objc-class-ref in EstimoteSDK(ETBluetoothMath.o)
"_CBAdvertisementDataServiceDataKey", referenced from:
+[ESTDeviceDataHelper parseAdvertisingData:] in EstimoteSDK(ESTDeviceDataHelper.o)
"_CBCentralManagerScanOptionAllowDuplicatesKey", referenced from:
-[ESTBeaconDevice startScanning] in EstimoteSDK(ESTBeaconDevice.o)
ld: symbol(s) not found for architecture arm64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
回答1:
This is fixed in Estimote SDK 3.0.2! (:
https://github.com/Estimote/iOS-SDK/blob/master/CHANGELOG.md#302-march-26-2015
回答2:
Thanks to the various hints above I went through the whole build file, and found the flag that was different. It is 'Enable Modules', and was set to 'No' in my build settings.
回答3:
I just downloaded https://github.com/Estimote/iOS-SDK their SDK and successfully included it in a sample project.
Under 'Build Settings' in 'Build Active Architecture Only' set 'Debug' to YES
Also Try In 'General' tabs
- Add framework under 'Link Frameworks and Libraries'.
- Add framework under 'Embedded Binaries'.
Make sure that EstimoteSDK.framework is actually present at its original location, you may have accidentally deleted it.
回答4:
Looking at the podspec it specifies -lc++ flag to be added to OTHER_LDFLAGS. If you don't have this flag set, maybe that could cause such problems.
来源：https://stackoverflow.com/questions/29163152/undefined-symbol-linker-failure-for-estimote-sdk