当我构建针对模拟器的项目时，它构建正常。但是，当我将我的设备定位到运行iOS 9时，我收到以下错误：
Linker command failed with exit code 1
同时发出Directory not found for option警告。
我该如何解决这个问题？
修改：完整错误日志
Ld /Users/gbs-mac/Library/Developer/Xcode/DerivedData/xxxxxxx-cbqfydingfpnbjblowdpmbcgwnmp/Build/Products/Debug-iphonesimulator/xxxxx\ xxxx.app/xxxxx\ xxxx normal x86_64
cd "/Users/gbs-mac/Desktop/Swapnil/xxxxx xxxxx"
export IPHONEOS_DEPLOYMENT_TARGET=7.0
export PATH="/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin:/Applications/Xcode.app/Contents/Developer/usr/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin"
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -arch x86_64 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator9.0.sdk -L/Users/gbs-mac/Library/Developer/Xcode/DerivedData/xxxxx-cbqfydingfpnbjblowdpmbcgwnmp/Build/Products/Debug-iphonesimulator -F/Users/gbs-mac/Library/Developer/Xcode/DerivedData/xxxxxx-cbqfydingfpnbjblowdpmbcgwnmp/Build/Products/Debug-iphonesimulator -F/Users/sumitghosh/Documents/facebookSDK -F/Users/gbs-mac/Desktop/Swapnil/xxxxxx\ xxxxx/FacebookSDK -F/Users/gbs-mac/Desktop/Swapnil/xxxxxx\ xxxxx/xxxxxx -xxxxx -F/Users/gbs-mac/Desktop/Swapnil/xxxxxx\ xxxxxx -filelist /Users/gbs-mac/Library/Developer/Xcode/DerivedData/xxxxxxxx-cbqfydingfpnbjblowdpmbcgwnmp/Build/Intermediates/Celebrity\ Face.build/Debug-iphonesimulator/xxxxxx\ xxxx.build/Objects-normal/x86_64/xxxxx\ xxxxx.LinkFileList -Xlinker -rpath -Xlinker @executable_path/Frameworks -mios-simulator-version-min=7.0 -bundle_loader /Users/gbs-mac/Library/Developer/Xcode/DerivedData/xxxxxxxx-cbqfydingfpnbjblowdpmbcgwnmp/Build/Products/Debug-iphonesimulator/MyExistingApp.app/MyExistingApp -Xlinker -objc_abi_version -Xlinker 2 -ObjC -fobjc-arc -fobjc-link-runtime -framework StoreKit -framework EventKit -framework EventKitUI -framework CFNetwork -framework CoreTelephony -framework CoreMedia -framework CoreGraphics -framework SystemConfiguration -framework AVFoundation -framework AdSupport -framework AudioToolbox -framework iAd -framework Security -framework AssetsLibrary -framework MobileCoreServices -framework CoreLocation -framework MediaPlayer -framework MessageUI -framework QuartzCore -framework FBSDKShareKit -framework UIKit -framework GoogleMobileAds -framework FBSDKCoreKit -framework FBSDKLoginKit -Xlinker -dependency_info -Xlinker /Users/gbs-mac/Library/Developer/Xcode/DerivedData/xxxxxxxx-cbqfydingfpnbjblowdpmbcgwnmp/Build/Intermediates/xxxxxx\ xxxx.build/Debug-iphonesimulator/xxxxxxx\ xxxx.build/Objects-normal/x86_64/xxxxx\ Face_dependency_info.dat -o /Users/gbs-mac/Library/Developer/Xcode/DerivedData/xxxxxxxx-cbqfydingfpnbjblowdpmbcgwnmp/Build/Products/Debug-iphonesimulator/Celebrity\ Face.app/xxxxxx\ xxxxxx
ld: warning: directory not found for option '-F/Users/sumitghosh/Documents/facebookSDK'
ld: warning: directory not found for option '-F/Users/gbs-mac/Desktop/Swapnil/xxxxxxx xxxxxx/xxxxxx'
ld: warning: directory not found for option '-FFace'
ld: file not found: /Users/gbs-mac/Library/Developer/Xcode/DerivedData/xxxxxxx-cbqfydingfpnbjblowdpmbcgwnmp/Build/Products/Debug-iphonesimulator/MyExistingApp.app/MyExistingApp
clang: error: linker command failed with exit code 1 (use -v to see invocation)
答案 0 :(得分：0)
在项目的构建设置中，从框架搜索路径和库搜索路径中删除所有内容。清洁和建设。
答案 1 :(得分：-2)
在菜单栏中，转到产品＆gt; 清洁并单击它。然后尝试重建项目。