xcrun -sdk iphoneos clang -arch arm64 -rewrite-objc main.m
no developer tools were found at '/Applications/Xcode.app', requesting install. Choose an option in the dialog to download the command line developer tools.
no developer tools were found at '/Applications/Xcode.app', requesting install. Choose an option in the dialog to download the command line developer tools.
需要下载command line developer tools
下载后重新执行命令就出来了
clang -rewrite-objc main.m
block.png
