c++ 自定义类出现Undefined symbols for architecture x86_64

最新推荐文章于 2022-03-31 22:40:07 发布

limonero

最新推荐文章于 2022-03-31 22:40:07 发布

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分类专栏： C++ 文章标签： macos debug

本文链接：https://blog.youkuaiyun.com/qq_31319235/article/details/107002670

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错误描述

Undefined symbols for architecture x86_64:
“MyLIs::MyLIs(char const*)”, referenced from:
_main in main.cpp.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)

可能错误

It seems like the function log is not defined, but I defined it in the debug.cpp file. I’ve been working at this for hours… Can anyone help me?

Also, If it helps here are the commands Xcode is using the build the program:

Ld /Users/home/Library/Developer/Xcode/DerivedData/tiled-bhqwfqpsuugzhkagbmrhebnbgnpb/Build/Products/Debug/tiled normal x86_64 cd /Users/home/Documents/tiled export MACOSX_DEPLOYMENT_TARGET=10.10 /Applications/Xcode-beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang++ -arch x86_64 -isysroot /Applications/Xcode-beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.1