4 What current version number is this target for Mach-O binaries.
6 For shared libraries on Mach-O systems (e.g. macOS, iOS)
7 the :prop_tgt:`MACHO_COMPATIBILITY_VERSION` property correspond to
8 ``compatibility version`` and ``MACHO_CURRENT_VERSION`` to ``current version``.
9 See the :prop_tgt:`FRAMEWORK` target property for an example.
11 Versions of Mach-O binaries may be checked with the ``otool -L <binary>``
12 command. If ``MACHO_CURRENT_VERSION`` is not set, the value of
13 the :prop_tgt:`VERSION` property will be used.