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CMP0051
-------
.. versionadded:: 3.1
List :genex:`TARGET_OBJECTS` in SOURCES target property.
CMake 3.0 and lower did not include the ``TARGET_OBJECTS``
:manual:`generator expression <cmake-generator-expressions(7)>` when
returning the :prop_tgt:`SOURCES` target property.
Configure-time CMake code is not able to handle generator expressions. If
using the :prop_tgt:`SOURCES` target property at configure time, it may be
necessary to first remove generator expressions using the
:command:`string(GENEX_STRIP)` command. Generate-time CMake code such as
:command:`file(GENERATE)` can handle the content without stripping.
The ``OLD`` behavior for this policy is to omit ``TARGET_OBJECTS``
expressions from the :prop_tgt:`SOURCES` target property. The ``NEW``
behavior for this policy is to include ``TARGET_OBJECTS`` expressions
in the output.
.. |INTRODUCED_IN_CMAKE_VERSION| replace:: 3.1
.. |WARNS_OR_DOES_NOT_WARN| replace:: warns
.. include:: STANDARD_ADVICE.txt
.. include:: DEPRECATED.txt
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