Xcode 无法识别语言：“-fobjc链接运行时”链接器错误

我一直在犯这个错误

    Ld "/Users/Justin/Library/Developer/Xcode/DerivedData/House_Defender-egpzlctivcelfbbmefwjdphmrmtr/Build/Intermediates/House Defender.build/Debug-iphoneos/House Defender.build/Objects-normal/armv7/House Defender" normal armv7
cd "/Users/Justin/Dropbox/BLMSRC/House Defender/2.0 2/House Defender"
setenv IPHONEOS_DEPLOYMENT_TARGET 6.0
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 armv7 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS6.1.sdk -L/Users/Justin/Library/Developer/Xcode/DerivedData/House_Defender-egpzlctivcelfbbmefwjdphmrmtr/Build/Products/Debug-iphoneos "-L/Users/Justin/Dropbox/BLMSRC/House Defender/2.0 2/House Defender/House Defender/facebook-ios-sdk" 
"-L/Users/Justin/Dropbox/BLMSRC/House Defender/2.0 2/House Defender/House Defender/Submodules/evernote-ios-sdk/UnitTests/3rdParty/OCMock" "-L/Users/Justin/Dropbox/BLMSRC/House Defender/2.0 2/House Defender/House Defender/GoogleAdMobAdsSdkiOS-6.1.4/Add-ons/GoogleAnalyticsiOS_2.0beta3/Library" "-L/Users/Justin/Dropbox/BLMSRC/House Defender/2.0 2/House Defender/House Defender/GoogleAdMobAdsSdkiOS-6.1.4" 
 "-L/Users/Justin/Dropbox/BLMSRC/House Defender/2.0 2/House Defender/House Defender/Chilkat" "-L/Users/Justin/Dropbox/BLMSRC/House Defender/2.0 2/House Defender/Submodules/evernote-ios-sdk/UnitTests/3rdParty/OCMock" "-L/Users/Justin/Dropbox/BLMSRC/House Defender/2.0 2/House Defender/Submodules/ShareKit/Submodules/evernote-ios-sdk/UnitTests/3rdParty/OCMock" 
"-L/Users/Justin/Dropbox/BLMSRC/House Defender/2.0 2/House Defender/House Defender/AdWhirl/GoogleAdMobAdsSdkiOS-6.1.4" 
"-L/Users/Justin/Dropbox/BLMSRC/House Defender/2.0 2/House Defender/House Defender/libs/GoogleAdMobAdsSdkiOS-6.1.4" 
-F/Users/Justin/Library/Developer/Xcode/DerivedData/House_Defender-egpzlctivcelfbbmefwjdphmrmtr/Build/Products/Debug-iphoneos -F/Applications/Xcode.app/Contents/Developer/Library/Frameworks -filelist "/Users/Justin/Library/Developer/Xcode/DerivedData/House_Defender-egpzlctivcelfbbmefwjdphmrmtr/Build/Intermediates/House Defender.build/Debug-iphoneos/House Defender.build/Objects-normal/armv7/House Defender.LinkFileList" 
-dead_strip -v -lz -ObjC -all_load -x -fobjc-link-runtime -miphoneos-version-min=6.0 -framework SystemConfiguration -framework MediaPlayer -framework MessageUI -framework Security -framework Twitter -framework CFNetwork -framework iAd -framework AddressBook -framework MapKit -lz -lsqlite3 -framework StoreKit 
/Users/Justin/Library/Developer/Xcode/DerivedData/House_Defender-egpzlctivcelfbbmefwjdphmrmtr/Build/Products/Debug-iphoneos/libShareKit.a -lGoogleAdMobAds -framework QuartzCore 
-framework OpenGLES -framework OpenAL -framework AudioToolbox -framework AVFoundation -framework UIKit -framework Foundation -framework CoreGraphics -framework GameKit -lchilkatIos -o "/Users/Justin/Library/Developer/Xcode/DerivedData/House_Defender-egpzlctivcelfbbmefwjdphmrmtr/Build/Intermediates/House Defender.build/Debug-iphoneos/House Defender.build/Objects-normal/armv7/House Defender"

clang: error: language not recognized: '-fobjc-link-runtime'

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我到处找都找不到答案。

链接器命令行显示了一个选项-fobjc link runtime，无法重新格式化。尝试在“生成设置”中的链接选项中查找并删除该选项

根据clang手册页，-x后面必须跟一个语言规范：

-x语言

将后续输入文件视为具有类型语言