Virtualbox虚拟机导入 macOS Catalina Final Version by Geekrar的vmdk
app store下载安装XCode

xcrun --sdk iphoneos --find clang
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang



xcrun --sdk iphoneos --show-sdk-path
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk

编译命令

clang -arch armv7s -mios-version-min=7.0   imei.im -o imei \
-isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk  \
-framework Foundation  -framework CoreTelephony

签名

codesign -s 'iPhone Develoer' ./path/to/binary