vscode报错Undefined symbols for architecture arm64

Question

wangfeng@192 text % cd "/Users/wangfeng/Projects/text/" && g++ start.cpp -o start && "/Users/wangfeng/Projects/text/"start
Undefined symbols for architecture arm64:
"_main", referenced from:
implicit entry/start for main executable
ld: symbol(s) not found for architecture arm64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
求指点

Answer 1

打开设置settings->搜索run->勾选Code-runner: Save File Before Run 然后重新编译工程运行。