I try to build my app for archiving in my iPhone and iPad app,

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Asked: June 13, 20262026-06-13T15:52:43+00:00 2026-06-13T15:52:43+00:00

I try to build my app for archiving in my iPhone and iPad app,

0

I try to build my app for archiving in my iPhone and iPad app, but I get this error… This started to happen since I added AdMob. I don’t know what is wrong. I hate those Mach-O Linker errors….

Ld "build/Högskoleprovet - Matematik.build/Release-iphoneos/Högskoleprovet - Matematik.build/Objects-normal/armv7s/HP-Matte" normal armv7s
cd "/Högskoleprovet - Matematik iPad Lite"
setenv IPHONEOS_DEPLOYMENT_TARGET 5.0
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 armv7s -isysroot               /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS6.0.sdk "-L/Högskoleprovet - Matematik iPad Lite/build/Release-iphoneos" "-L/Högskoleprovet - Matematik iPad Lite" "-F/Högskoleprovet - Matematik iPad Lite/build/Release-iphoneos" -filelist "/Högskoleprovet - Matematik iPad Lite/build/Högskoleprovet - Matematik.build/Release-iphoneos/Högskoleprovet - Matematik.build/Objects-normal/armv7s/HP-Matte.LinkFileList" -dead_strip -all_load -ObjC -fobjc-arc -fobjc-link-runtime -miphoneos-version-min=5.0 -framework MessageUI -framework SystemConfiguration -framework AudioToolbox -framework AdSupport -framework StoreKit -framework iAd -framework UIKit -framework Foundation -framework CoreGraphics -lGoogleAdMobAds -o "/Högskoleprovet - Matematik iPad Lite/build/Högskoleprovet - Matematik.build/Release-iphoneos/Högskoleprovet - Matematik.build/Objects-normal/armv7s/HP-Matte"

        /Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGesture.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
    duplicate symbol _CFStringToCString in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGesture.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _CheckJailBreakStatus in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGesture.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _CompareByAddress in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGesture.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _ComputeDigest in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGesture.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _CopyParentMethodFromCallStack in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGesture.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _CopySystemInformation in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGesture.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _DoBitSlicer in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGesture.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _FindSwizzling in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGesture.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _GatherSignals in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGesture.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _GetAdVisibility in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGesture.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _GetAppUsageTime in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGesture.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _GetClassMethod in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGesture.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _GetDeviceBatteryLevel in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGesture.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _GetDeviceBatteryState in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGesture.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _GetDeviceID in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGesture.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _GetDeviceOrientation in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGesture.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _GetEncryptedData in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGesture.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _GetInstanceMethod in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGesture.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _GetIntFromDictionary in:
 /Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGesture.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _GetNetworkType in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGesture.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _GetOverlap in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGesture.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _GetStackTrace in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGesture.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _GetStrFromDictionary in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGesture.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _GetViewInfo in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGesture.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _InitGlobalData in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGesture.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _InitNotifications in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGesture.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _IsClassMethodAvailable in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGesture.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _IsDeviceOrientationEnabled in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGesture.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _IsInstanceMethodAvailable in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGesture.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _IsPropertyAvailable in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGesture.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
duplicate symbol _MD5 in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(md5.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _MD5_final in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(md5.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _MD5_init in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(md5.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _MD5_update in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(md5.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _MethodAddress in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGesture.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
  duplicate symbol _ObfuscateBinaryValue in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGesture.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _SetBatteryMonitoringStatus in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGesture.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _SimpleWireFormatFreeBuffer in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(SimpleWireFormat.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _SimpleWireFormatMakeBuffer in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(SimpleWireFormat.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _SimpleWireFormatWriteInt64 in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(SimpleWireFormat.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _SimpleWireFormatWriteRaw in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(SimpleWireFormat.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _SimpleWireFormatWriteString in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(SimpleWireFormat.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _SimpleWireFormatWriteTag in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(SimpleWireFormat.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _SimpleWireFormatWriteVarint32 in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(SimpleWireFormat.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _SimpleWireFormatWriteVarint64 in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(SimpleWireFormat.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _do_rc4 in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(rc4.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _freeDecodedString in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGesture.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _gad_bs in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(des_e.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _gad_gig in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGesture.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _gad_gmcs in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGesture.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _gad_gmrs in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGesture.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _gad_htg in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGesture.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _gethex in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(rc4.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _htoa in:
 /Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(rc4.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _set_crypt_key in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(rc4.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 duplicate symbol _tohex in:
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(rc4.o)
/Högskoleprovet - Matematik iPad Lite/libGoogleAdMobAds.a(GADGestureCFiles.o)
 ld: 64 duplicate symbols for architecture armv7s
 clang: error: linker command failed with exit code 1 (use -v to see invocation)

What could be wrong? Any ideas?
Thanks in advance!

/A noob

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1 Answer

Editorial Team · Answer 1 · 2026-06-13T15:52:44+00:00

Editorial Team

2026-06-13T15:52:44+00:00Added an answer on June 13, 2026 at 3:52 pm

try the -ObjC in other linker flag in build setting.

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I try to build my app for archiving in my iPhone and iPad app,

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