主题 : ios app程序之前，可以在真机和模拟器上运行，今天突然不能在模拟器上运行了？求指点！
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ios app程序之前，可以在真机和模拟器上运行，今天突然不能在模拟器上运行了？求指点！&&&
&
我程序是我写的，我没改什么！
在模拟器上报如下错误
Ld /Users/yjl/Library/Developer/Xcode/DerivedData/crm-bvxbehomkrgjzwetsmqflbbtyaei/Build/Products/Debug-iphonesimulator/傲融CRM.app/傲融CRM normal i386
& & cd /Users/yjl/devs/workspace/ios/crm
& & setenv IPHONEOS_DEPLOYMENT_TARGET 6.1
& & setenv PATH "/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.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 i386 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator7.0.sdk -L/Users/yjl/Library/Developer/Xcode/DerivedData/crm-bvxbehomkrgjzwetsmqflbbtyaei/Build/Products/Debug-iphonesimulator -F/Users/yjl/Library/Developer/Xcode/DerivedData/crm-bvxbehomkrgjzwetsmqflbbtyaei/Build/Products/Debug-iphonesimulator -F/Applications/Xcode 2.app/Contents/Developer/Library/Frameworks -filelist /Users/yjl/Library/Developer/Xcode/DerivedData/crm-bvxbehomkrgjzwetsmqflbbtyaei/Build/Intermediates/crm.build/Debug-iphonesimulator/crm.build/Objects-normal/i386/傲融CRM.LinkFileList -Xlinker -objc_abi_version -Xlinker 2 -all_load -Objc -fobjc-arc -fobjc-link-runtime -Xlinker -no_implicit_dylibs -mios-simulator-version-min=6.1 -framework MapKit -framework Security -framework QuartzCore -framework OpenGLES -framework SystemConfiguration -framework CoreLocation -lsqlite3 -framework UIKit -framework Foundation -framework CoreGraphics -Xlinker -dependency_info -Xlinker /Users/yjl/Library/Developer/Xcode/DerivedData/crm-bvxbehomkrgjzwetsmqflbbtyaei/Build/Intermediates/crm.build/Debug-iphonesimulator/crm.build/Objects-normal/i386/傲融CRM_dependency_info.dat -o /Users/yjl/Library/Developer/Xcode/DerivedData/crm-bvxbehomkrgjzwetsmqflbbtyaei/Build/Products/Debug-iphonesimulator/傲融CRM.app/傲融CRM
duplicate symbol _DeviceSystemMajorVersion in:
& & /Users/yjl/Library/Developer/Xcode/DerivedData/crm-bvxbehomkrgjzwetsmqflbbtyaei/Build/Intermediates/crm.build/Debug-iphonesimulator/crm.build/Objects-normal/i386/main.o
& & /Users/yjl/Library/Developer/Xcode/DerivedData/crm-bvxbehomkrgjzwetsmqflbbtyaei/Build/Intermediates/crm.build/Debug-iphonesimulator/crm.build/Objects-normal/i386/AppDelegate.o
duplicate symbol _DeviceSystemMajorVersion in:
& & /Users/yjl/Library/Developer/Xcode/DerivedData/crm-bvxbehomkrgjzwetsmqflbbtyaei/Build/Intermediates/crm.build/Debug-iphonesimulator/crm.build/Objects-normal/i386/main.o
& & /Users/yjl/Library/Developer/Xcode/DerivedData/crm-bvxbehomkrgjzwetsmqflbbtyaei/Build/Intermediates/crm.build/Debug-iphonesimulator/crm.build/Objects-normal/i386/ViewController.o
duplicate symbol _DeviceSystemMajorVersion in:
& & /Users/yjl/Library/Developer/Xcode/DerivedData/crm-bvxbehomkrgjzwetsmqflbbtyaei/Build/Intermediates/crm.build/Debug-iphonesimulator/crm.build/Objects-normal/i386/main.o
& & /Users/yjl/Library/Developer/Xcode/DerivedData/crm-bvxbehomkrgjzwetsmqflbbtyaei/Build/Intermediates/crm.build/Debug-iphonesimulator/crm.build/Objects-normal/i386/UIApplication+Login.o
duplicate symbol _DeviceSystemMajorVersion in:
& & /Users/yjl/Library/Developer/Xcode/DerivedData/crm-bvxbehomkrgjzwetsmqflbbtyaei/Build/Intermediates/crm.build/Debug-iphonesimulator/crm.build/Objects-normal/i386/main.o
& & /Users/yjl/Library/Developer/Xcode/DerivedData/crm-bvxbehomkrgjzwetsmqflbbtyaei/Build/Intermediates/crm.build/Debug-iphonesimulator/crm.build/Objects-normal/i386/Global.o
duplicate symbol _DeviceSystemMajorVersion in:
& & /Users/yjl/Library/Developer/Xcode/DerivedData/crm-bvxbehomkrgjzwetsmqflbbtyaei/Build/Intermediates/crm.build/Debug-iphonesimulator/crm.build/Objects-normal/i386/main.o
& & /Users/yjl/Library/Developer/Xcode/DerivedData/crm-bvxbehomkrgjzwetsmqflbbtyaei/Build/Intermediates/crm.build/Debug-iphonesimulator/crm.build/Objects-normal/i386/MenuViewController.o
duplicate symbol _DeviceSystemMajorVersion in:
& & /Users/yjl/Library/Developer/Xcode/DerivedData/crm-bvxbehomkrgjzwetsmqflbbtyaei/Build/Intermediates/crm.build/Debug-iphonesimulator/crm.build/Objects-normal/i386/main.o
& & /Users/yjl/Library/Developer/Xcode/DerivedData/crm-bvxbehomkrgjzwetsmqflbbtyaei/Build/Intermediates/crm.build/Debug-iphonesimulator/crm.build/Objects-normal/i386/SettingViewController.o
duplicate symbol _DeviceSystemMajorVersion in:
& & /Users/yjl/Library/Developer/Xcode/DerivedData/crm-bvxbehomkrgjzwetsmqflbbtyaei/Build/Intermediates/crm.build/Debug-iphonesimulator/crm.build/Objects-normal/i386/main.o
& & /Users/yjl/Library/Developer/Xcode/DerivedData/crm-bvxbehomkrgjzwetsmqflbbtyaei/Build/Intermediates/crm.build/Debug-iphonesimulator/crm.build/Objects-normal/i386/WebViewController.o
duplicate symbol _DeviceSystemMajorVersion in:
& & /Users/yjl/Library/Developer/Xcode/DerivedData/crm-bvxbehomkrgjzwetsmqflbbtyaei/Build/Intermediates/crm.build/Debug-iphonesimulator/crm.build/Objects-normal/i386/main.o
& & /Users/yjl/Library/Developer/Xcode/DerivedData/crm-bvxbehomkrgjzwetsmqflbbtyaei/Build/Intermediates/crm.build/Debug-iphonesimulator/crm.build/Objects-normal/i386/UIApplication+Loction.o
duplicate symbol _DeviceSystemMajorVersion in:
& & /Users/yjl/Library/Developer/Xcode/DerivedData/crm-bvxbehomkrgjzwetsmqflbbtyaei/Build/Intermediates/crm.build/Debug-iphonesimulator/crm.build/Objects-normal/i386/main.o
& & /Users/yjl/Library/Developer/Xcode/DerivedData/crm-bvxbehomkrgjzwetsmqflbbtyaei/Build/Intermediates/crm.build/Debug-iphonesimulator/crm.build/Objects-normal/i386/MapViewController.o
duplicate symbol _DeviceSystemMajorVersion in:
& & /Users/yjl/Library/Developer/Xcode/DerivedData/crm-bvxbehomkrgjzwetsmqflbbtyaei/Build/Intermediates/crm.build/Debug-iphonesimulator/crm.build/Objects-normal/i386/main.o
& & /Users/yjl/Library/Developer/Xcode/DerivedData/crm-bvxbehomkrgjzwetsmqflbbtyaei/Build/Intermediates/crm.build/Debug-iphonesimulator/crm.build/Objects-normal/i386/QdHistoryViewController.o
duplicate symbol _DeviceSystemMajorVersion in:
& & /Users/yjl/Library/Developer/Xcode/DerivedData/crm-bvxbehomkrgjzwetsmqflbbtyaei/Build/Intermediates/crm.build/Debug-iphonesimulator/crm.build/Objects-normal/i386/main.o
& & /Users/yjl/Library/Developer/Xcode/DerivedData/crm-bvxbehomkrgjzwetsmqflbbtyaei/Build/Intermediates/crm.build/Debug-iphonesimulator/crm.build/Objects-normal/i386/UIApplication+Photo.o
duplicate symbol _DeviceSystemMajorVersion in:
& & /Users/yjl/Library/Developer/Xcode/DerivedData/crm-bvxbehomkrgjzwetsmqflbbtyaei/Build/Intermediates/crm.build/Debug-iphonesimulator/crm.build/Objects-normal/i386/main.o
& & /Users/yjl/Library/Developer/Xcode/DerivedData/crm-bvxbehomkrgjzwetsmqflbbtyaei/Build/Intermediates/crm.build/Debug-iphonesimulator/crm.build/Objects-normal/i386/PhotoViewController.o
duplicate symbol _DeviceSystemMajorVersion in:
& & /Users/yjl/Library/Developer/Xcode/DerivedData/crm-bvxbehomkrgjzwetsmqflbbtyaei/Build/Intermediates/crm.build/Debug-iphonesimulator/crm.build/Objects-normal/i386/main.o
& & /Users/yjl/Library/Developer/Xcode/DerivedData/crm-bvxbehomkrgjzwetsmqflbbtyaei/Build/Intermediates/crm.build/Debug-iphonesimulator/crm.build/Objects-normal/i386/PhotoHistoryViewController.o
duplicate symbol _DeviceSystemMajorVersion in:
& & /Users/yjl/Library/Developer/Xcode/DerivedData/crm-bvxbehomkrgjzwetsmqflbbtyaei/Build/Intermediates/crm.build/Debug-iphonesimulator/crm.build/Objects-normal/i386/main.o
& & /Users/yjl/Library/Developer/Xcode/DerivedData/crm-bvxbehomkrgjzwetsmqflbbtyaei/Build/Intermediates/crm.build/Debug-iphonesimulator/crm.build/Objects-normal/i386/PhotoGlobalParams.o
duplicate symbol _DeviceSystemMajorVersion in:
& & /Users/yjl/Library/Developer/Xcode/DerivedData/crm-bvxbehomkrgjzwetsmqflbbtyaei/Build/Intermediates/crm.build/Debug-iphonesimulator/crm.build/Objects-normal/i386/main.o
& & /Users/yjl/Library/Developer/Xcode/DerivedData/crm-bvxbehomkrgjzwetsmqflbbtyaei/Build/Intermediates/crm.build/Debug-iphonesimulator/crm.build/Objects-normal/i386/LocationGlobalParams.o
duplicate symbol _DeviceSystemMajorVersion in:
& & /Users/yjl/Library/Developer/Xcode/DerivedData/crm-bvxbehomkrgjzwetsmqflbbtyaei/Build/Intermediates/crm.build/Debug-iphonesimulator/crm.build/Objects-normal/i386/main.o
& & /Users/yjl/Library/Developer/Xcode/DerivedData/crm-bvxbehomkrgjzwetsmqflbbtyaei/Build/Intermediates/crm.build/Debug-iphonesimulator/crm.build/Objects-normal/i386/LocusViewController.o
duplicate symbol _DeviceSystemMajorVersion in:
& & /Users/yjl/Library/Developer/Xcode/DerivedData/crm-bvxbehomkrgjzwetsmqflbbtyaei/Build/Intermediates/crm.build/Debug-iphonesimulator/crm.build/Objects-normal/i386/main.o
& & /Users/yjl/Library/Developer/Xcode/DerivedData/crm-bvxbehomkrgjzwetsmqflbbtyaei/Build/Intermediates/crm.build/Debug-iphonesimulator/crm.build/Objects-normal/i386/PositionViewController.o
duplicate symbol _DeviceSystemMajorVersion in:
& & /Users/yjl/Library/Developer/Xcode/DerivedData/crm-bvxbehomkrgjzwetsmqflbbtyaei/Build/Intermediates/crm.build/Debug-iphonesimulator/crm.build/Objects-normal/i386/main.o
& & /Users/yjl/Library/Developer/Xcode/DerivedData/crm-bvxbehomkrgjzwetsmqflbbtyaei/Build/Intermediates/crm.build/Debug-iphonesimulator/crm.build/Objects-normal/i386/AboutViewController.o
ld: 18 duplicate symbols for architecture i386
clang: error: linker command failed with exit code 1 (use -v to see invocation)
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发自: Web Page
之前也遇到过类似的问题，具体是哪个库少了我也不确定了
网上查了说是用过cleanMyMac会把库的头文件删掉，
解决办法要不从别的及其靠过来一个，要不就得重装。
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发自: Web Page
DeviceSystemMajorVersion 的问题，找到这个方法注释掉就没有问题了
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