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41 lines
1.9 KiB
41 lines
1.9 KiB
CMP0175
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-------
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.. versionadded:: 3.31
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:command:`add_custom_command` rejects invalid arguments.
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CMake 3.30 and earlier silently ignored unsupported keywords and missing or
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invalid arguments for the different forms of the :command:`add_custom_command`
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command. CMake 3.31 implements more rigorous argument checking and will flag
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invalid or missing arguments as errors.
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The ``OLD`` behavior of this policy will accept the same invalid keywords or
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arguments as CMake 3.30 and earlier. The ``NEW`` behavior will flag the
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following as errors that previously went unreported:
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* The ``OUTPUT`` form does not accept ``PRE_BUILD``, ``PRE_LINK``, or
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``POST_BUILD`` keywords.
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* When the ``APPEND`` keyword is given, the ``OUTPUT`` form also does not
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accept ``BYPRODUCTS``, ``COMMAND_EXPAND_LISTS``, ``DEPENDS_EXPLICIT_ONLY``,
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``DEPFILE``, ``JOB_POOL``, ``JOB_SERVER_AWARE``, ``USES_TERMINAL``, or
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``VERBATIM`` keywords.
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* The ``TARGET`` form requires exactly one of ``PRE_BUILD``, ``PRE_LINK``, or
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``POST_BUILD`` to be given. Previously, if none were given, ``POST_BUILD``
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was assumed, or if multiple keywords were given, the last one was used.
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* The ``TARGET`` form does not accept ``DEPENDS``, ``DEPENDS_EXPLICIT_ONLY``,
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``DEPFILE``, ``IMPLICIT_DEPENDS``, ``MAIN_DEPENDENCY``, ``JOB_POOL``,
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``JOB_SERVER_AWARE``, or ``USES_TERMINAL`` keywords.
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* The ``TARGET`` form now requires at least one ``COMMAND`` to be given.
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* If a keyword expects a value to be given after it, but no value is provided,
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that was previously treated as though the keyword was not given at all.
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* The ``COMMENT`` keyword expects exactly one value after it. If multiple
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values are given, or if the ``COMMENT`` keyword is given more than once,
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this is an error.
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.. |INTRODUCED_IN_CMAKE_VERSION| replace:: 3.31
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.. |WARNS_OR_DOES_NOT_WARN| replace:: warns
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.. include:: STANDARD_ADVICE.txt
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.. include:: DEPRECATED.txt
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