Apple Mach-O 链接错误

Question

大家好，我找到了很多答案，但没有找到解决方案。在这里，我发布了我遇到的错误。请帮我摆脱这个。

Ld /Users/Rupesh/Library/Developer/Xcode/DerivedData/JEDI-fptiyjulpownybgfqknfffphqrvl/Build/Products/Debug-iphonesimulator/JEDI.app/JEDI normal i386
cd /Applications/XAMPP/xamppfiles/htdocs/bsharp/sites/default/iOS_Development/JEDI
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/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/iPhoneSimulator8.0.sdk -L/Users/Rupesh/Library/Developer/Xcode/DerivedData/JEDI-fptiyjulpownybgfqknfffphqrvl/Build/Products/Debug-iphonesimulator -F/Users/Rupesh/Library/Developer/Xcode/DerivedData/JEDI-fptiyjulpownybgfqknfffphqrvl/Build/Products/Debug-iphonesimulator -filelist /Users/Rupesh/Library/Developer/Xcode/DerivedData/JEDI-fptiyjulpownybgfqknfffphqrvl/Build/Intermediates/JEDI.build/Debug-iphonesimulator/JEDI.build/Objects-normal/i386/JEDI.LinkFileList -Xlinker -rpath -Xlinker @executable_path/Frameworks -Xlinker -objc_abi_version -Xlinker 2 -fobjc-arc -fobjc-link-runtime -Xlinker -no_implicit_dylibs -mios-simulator-version-min=7.0 -Xlinker -dependency_info -Xlinker /Users/Rupesh/Library/Developer/Xcode/DerivedData/JEDI-fptiyjulpownybgfqknfffphqrvl/Build/Intermediates/JEDI.build/Debug-iphonesimulator/JEDI.build/Objects-normal/i386/JEDI_dependency_info.dat -o /Users/Rupesh/Library/Developer/Xcode/DerivedData/JEDI-fptiyjulpownybgfqknfffphqrvl/Build/Products/Debug-iphonesimulator/JEDI.app/JEDI

duplicate symbol _IS_ALREADY_LOGIN in:
/Users/Rupesh/Library/Developer/Xcode/DerivedData/JEDI-fptiyjulpownybgfqknfffphqrvl/Build/Intermediates/JEDI.build/Debug-iphonesimulator/JEDI.build/Objects-normal/i386/CustomCell.o
/Users/Rupesh/Library/Developer/Xcode/DerivedData/JEDI-fptiyjulpownybgfqknfffphqrvl/Build/Intermediates/JEDI.build/Debug-iphonesimulator/JEDI.build/Objects-normal/i386/ViewController.o
duplicate symbol _TRUE_CHECK in:
/Users/Rupesh/Library/Developer/Xcode/DerivedData/JEDI-fptiyjulpownybgfqknfffphqrvl/Build/Intermediates/JEDI.build/Debug-iphonesimulator/JEDI.build/Objects-normal/i386/CustomCell.o
/Users/Rupesh/Library/Developer/Xcode/DerivedData/JEDI-fptiyjulpownybgfqknfffphqrvl/Build/Intermediates/JEDI.build/Debug-iphonesimulator/JEDI.build/Objects-normal/i386/ViewController.o
duplicate symbol _FONT_NAME in:
/Users/Rupesh/Library/Developer/Xcode/DerivedData/JEDI-fptiyjulpownybgfqknfffphqrvl/Build/Intermediates/JEDI.build/Debug-iphonesimulator/JEDI.build/Objects-normal/i386/CustomCell.o
/Users/Rupesh/Library/Developer/Xcode/DerivedData/JEDI-fptiyjulpownybgfqknfffphqrvl/Build/Intermediates/JEDI.build/Debug-iphonesimulator/JEDI.build/Objects-normal/i386/ViewController.o
ld: 3 duplicate symbols for architecture i386
clang: error: linker command failed with exit code 1 (use -v to see invocation)

Answer 1

您的项目包含重复的符号，这意味着您正在尝试编译两个包含相同 class 实现的相同文件。检查您的项目文件并删除任何重复的 .m 文件（如 CustomCell 和 ViewController）

可能 _IS_ALREADY_LOGIN、_TRUE_CHECK 等在 CustomCell.h/m 和 ViewController.h/m?

中定义了不止一次

Apple Mach-O 链接错误

Apple Mach-O Linked Error

iphone

xcode

objective-c

ios