071f0d6f98
This was originally attempted by policy CMP0118, but its
implementation did not cover all intended use cases. We fixed its
documentation in commit 1dabbbb5e0 (CMP0118: Revise documentation to
describe actual behavior, 2024-03-20).
Add new policy CMP0163 to cover the remaining use cases. In particular,
make the `GENERATED` property visible to `get_property` calls in other
directories. In order to capture the original intention of CMP0118,
define CMP0163's NEW behavior to also imply CMP0118's NEW behavior.
Fixes: #25437
Fixes: #25058
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1.7 KiB
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38 lines
1.7 KiB
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CMP0163
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-------
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.. versionadded:: 3.30
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The :prop_sf:`GENERATED` source file property is now visible in all directories.
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In CMake 3.29 and below, the :prop_sf:`GENERATED` source file property,
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like other source file properties, was scoped in every directory separately.
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Although policy :policy:`CMP0118` allowed sources marked ``GENERATED`` in one
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directory to be used in other directories without manually marking them as
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``GENERATED`` again, the ``GENERATED`` property was still not visible to
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:command:`get_property` and :command:`get_source_file_property` calls.
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Whether or not a source file is generated is an all-or-nothing global
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property of the source: a source is either generated or it is not.
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CMake 3.30 and above prefer to treat the :prop_sf:`GENERATED` source file
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property as globally scoped. Once it is set in one directory, it is
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immediately visible to :command:`get_property` and
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:command:`get_source_file_property` calls in other directories.
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This policy provides compatibility for projects that have not been
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updated for this behavior.
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The ``OLD`` behavior of this policy is for the ``GENERATED`` source file
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property to be visible only in the directories in which it is set. The
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``NEW`` behavior of this policy is to allow the ``GENERATED`` source file
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property to be visible in all directories once set in any directory.
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Furthermore, the ``NEW`` behavior of this policy implies the ``NEW``
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behavior of policy :policy:`CMP0118`: the ``GENERATED`` property may
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be set only to boolean values, and may not be turned off once turned on.
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.. |INTRODUCED_IN_CMAKE_VERSION| replace:: 3.30
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.. |WARNS_OR_DOES_NOT_WARN| replace::
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does *not* warn
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.. include:: STANDARD_ADVICE.txt
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.. include:: DEPRECATED.txt
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