lipo

Tool for handling Mach-O Universal Binaries. More information: https://ss64.com/osx/lipo.html.

Create a universal file from two single-architecture files:

lipo {{path/to/binary.x86_64}} {{path/to/binary.arm64e}} -create -output {{path/to/binary}}

List all architectures contained in a universal file:

lipo {{path/to/binary}} -archs

Display detailed information about a universal file:

lipo {{path/to/binary}} -detailed_info

Extract a single-architecture file from a universal file:

lipo {{path/to/binary}} -thin {{arm64e}} -output {{path/to/binary.arm64e}}