当我尝试运行我的代码时出现错误“ld：1架构i386的重复符号”

Question

d/Users/syedmatloob/Library/Developer/Xcode/DerivedData/SIPTabApp-augbivszmspykvenplsxyvefxkjw/Build/Products/Debug-iphonesimulator/SIPTabApp.app/SIPTabApp正常I386 坎德拉/用户/ syedmatloob /文档/ SIPTabApp SETENV IPHONEOS_DEPLOYMENT_TARGET 4.3 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/iPhoneSimulator6.1.sdk -L/Users/syedmatloob/Library/Developer/Xcode/DerivedData/SIPTabApp-augbivszmspykvenplsxyvefxkjw/Build/Products/Debug-iphonesimulator -L/Users/syedmatloob/Documents/SIPTabApp/liblinphone -sdk/apple-darwin/lib -L ​​/ Users/syedmatloob/Documents/SIPTabApp/liblinphone- sdk/apple-darwin/lib/mediastreamer/plugins -F/Users/syedmatloob/Library/Developer/Xcode/DerivedData/SIPTabApp-augbivszmspykvenplsxyvefxkjw/Build/Products/Debug-iphonesimulator -filelist/Users/syedmatloob/Library/Developer/Xcode/DerivedData/SIPTabApp-augbivszmspykvenplsxyvefxkjw/Build/Intermediates/SIPTabApp.build/Debug-iphonesimulator/SIPTabApp.build/Objects-normal/i386/SIPTabApp.LinkFileList -Xlinker -objc_abi_version -Xlinker 2 -fobjc-link-runtime -Xlinker -no_implicit_dylibs -mios -simulator-version-min = 4.3 -framework UIKit -framework基础框架CoreGraphics -framework MediaPlayer -framework安全框架QuartzCore -lxml2 -framework CoreLocation -framework CFNetwork -framework MessageUI -lsqlite3.0 -framework AVFoundation -framework Addre ssBook -framework AddressBookUI -framework AudioToolbox -framework CoreData -framework SystemConfiguration -lavcodec -lavutil -lbcg729 -lcrypto -leXosip2 -lgsm -lilbc -llinphone -lmediastreamer -lopencore-amrnb -lopencore-amrwb -lortp -losip2 -losipparser2 -lSKP_SILK_SDK -lspeex - lspeexdsp -lsrtp -lssl -lswscale -lvpx -lx264 -lzrtpcpp -lmsamr -lmsbcg729 -lmsilbc -lmssilk -lmsx264 -lresolv -framework CoreTelephony -framework OpenGLES -framework CoreMedia -framework CoreVideo -o/Users/syedmatloob/Library/Developer/Xcode/DerivedData/SIPTabApp-augbivszmspykvenplsxyvefxkjw /编译/产品/调试-iphonesimulator/SIPTabApp.app/SIPTabApp

重复的符号_SECURE_BUTTON_TAG在： /用户/ syedmatloob /库/开发商/ Xcode中/ DerivedData/SIPTabApp-augbivszmspykvenplsxyvefxkjw /编译/中间体/ SIPTabApp.build/Debug-iphonesimulator/SIPTabApp.build/ Objects-normal/i386/IncallViewController.o /Users/syedmatloob/Library/Developer/Xcode/DerivedData/SIPTabApp-augbivszmspykvenplsxyvefxkjw/Build/Intermediates/SIPTabApp.build/Debug-iphonesimulator/SIPTabApp.build/Objects-normal/i386/InCallVC的.o LD：错误：为i386硬件架构 铛1个重复的符号连接命令退出码1失败（使用-v看到调用）

Answer 1

你有你已经在你的IncallViewController.m中定义的变量SECURE_BUTTON_TAG和InCallVC.m。根据你的代码，有几个选项：

• 如果他们只使用内部各自的.m文件，与static关键词前缀，使它们的“私人”到他们的编译单元。 **从名字，我猜它会引用一个数字。所以，让那个static const。
• 删除一个，在头文件中声明为extern。
• 重命名一个。