切换路径到需要转换的.m文件路径,执行下面命令
clang -x objective-c -rewrite-objc -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator.sdk ViewController.m
指定真机
xcrun -sdk iphoneos clang -rewrite-objc XXXXX.m
指定模拟器
xcrun -sdk iphonesimulator clang -rewrite-objc XXXXX.m
指定SDk
xcrun -sdk iphonesimulator10.3 clang -rewrite-objc XXXXX.m
C语音转C++
clang -rewrite-objc XXXX.c