错误：链接器命令失败：ld：重复符号_main

Question

  

clang：错误：链接器命令失败，退出代码为1（使用-v查看调用）

它说我有：

  

ld：/ Users / timpark / Library / Developer / Xcode / DerivedData / tutorial-gsmmwsvdohwbiqforobplztheaso / Build / Intermediates / tutorial.build / Debug / tutorial.build / Objects-normal / x86_64 / tutorial.o中的重复符号_main /Users/timpark/Library/Developer/Xcode/DerivedData/tutorial-gsmmwsvdohwbiqforobplztheaso/Build/Intermediates/tutorial.build/Debug/tutorial.build/Objects-normal/x86_64/main.o for architecture x86_64“

Answer 1

duplicate symbol _main表示您在Targets / Compiled Sources下有多个main.m。检查并删除它。