Reply to how to compile/build mac catalyst lib using clang -arch target for mac catalyst: x86_64-apple-ios-macabi bash clang -target x86_64-apple-ios-macabi \arch arm64 -arch x86_64 \ isysroot `xcrun --sdk macosx --show-sdk-path` \ miphoneos-version-min=13.0 \ fembed-bitcode \ main.c Developer Tools & Services General May ’21