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VERSION
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-------
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What version number is this target.
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For shared libraries ``VERSION`` and :prop_tgt:`SOVERSION` can be used
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to specify the build version and API version respectively. When building or
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installing appropriate symlinks are created if the platform supports
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symlinks and the linker supports so-names. If only one of both is
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specified the missing is assumed to have the same version number. For
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executables ``VERSION`` can be used to specify the build version. When
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building or installing appropriate symlinks are created if the
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platform supports symlinks.
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Windows Versions
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^^^^^^^^^^^^^^^^
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For shared libraries and executables on Windows the ``VERSION``
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attribute is parsed to extract a ``<major>.<minor>`` version number.
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These numbers are used as the image version of the binary.
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Mach-O Versions
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^^^^^^^^^^^^^^^
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For shared libraries and executables on Mach-O systems (e.g. macOS, iOS),
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the :prop_tgt:`SOVERSION` property correspond to *compatibility version* and
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``VERSION`` to *current version*. See the :prop_tgt:`FRAMEWORK` target
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property for an example. Versions of Mach-O binaries may be checked with the
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``otool -L <binary>`` command.
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