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26 lines
1.3 KiB
26 lines
1.3 KiB
4 years ago
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MACHO_COMPATIBILITY_VERSION
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---------------------------
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What compatibility version number is this target for Mach-O binaries.
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For shared libraries on Mach-O systems (e.g. macOS, iOS)
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the ``MACHO_COMPATIBILITY_VERSION`` property corresponds to the
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*compatibility version* and :prop_tgt:`MACHO_CURRENT_VERSION` corresponds to
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the *current version*. These are both embedded in the shared library binary
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and can be checked with the ``otool -L <binary>`` command.
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It should be noted that the :prop_tgt:`MACHO_CURRENT_VERSION` and
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``MACHO_COMPATIBILITY_VERSION`` properties do not affect the file
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names or version-related symlinks that CMake generates for the library.
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The :prop_tgt:`VERSION` and :prop_tgt:`SOVERSION` target properties still
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control the file and symlink names. The ``install_name`` is also still
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controlled by :prop_tgt:`SOVERSION`.
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When :prop_tgt:`MACHO_CURRENT_VERSION` and ``MACHO_COMPATIBILITY_VERSION``
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are not given, :prop_tgt:`VERSION` and :prop_tgt:`SOVERSION` are used for
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the version details to be embedded in the binaries respectively.
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The :prop_tgt:`MACHO_CURRENT_VERSION` and ``MACHO_COMPATIBILITY_VERSION``
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properties only need to be given if the project needs to decouple the file
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and symlink naming from the version details embedded in the binaries
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(e.g. to match libtool conventions).
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