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35 lines
1.6 KiB
ReStructuredText
35 lines
1.6 KiB
ReStructuredText
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CMP0037
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-------
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Target names should not be reserved and should match a validity pattern.
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CMake 2.8.12 and lower allowed creating targets using :command:`add_library`,
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:command:`add_executable` and :command:`add_custom_target` with unrestricted
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choice for the target name. Newer cmake features such
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as :manual:`cmake-generator-expressions(7)` and some
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diagnostics expect target names to match a restricted pattern.
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Target names may contain upper and lower case letters, numbers, the underscore
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character (``_``), dot(``.``), plus(``+``) and minus(``-``).
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As a special case, ``ALIAS`` and ``IMPORTED`` targets may contain
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two consecutive colons.
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Target names reserved by one or more CMake generators are not allowed.
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Among others these include ``all``, ``clean``, ``help``, and ``install``.
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Target names associated with optional features, such as ``test`` and
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``package``, may also be reserved. CMake 3.10 and below always reserve them.
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CMake 3.11 and above reserve them only when the corresponding feature is
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enabled (e.g. by including the :module:`CTest` or :module:`CPack` modules).
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The ``OLD`` behavior for this policy is to allow creating targets with
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reserved names or which do not match the validity pattern.
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The ``NEW`` behavior for this policy is to report an error
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if an add_* command is used with an invalid target name.
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This policy was introduced in CMake version 3.0. CMake version
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|release| warns when the policy is not set and uses ``OLD`` behavior. Use
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the :command:`cmake_policy` command to set it to ``OLD`` or ``NEW`` explicitly.
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.. include:: DEPRECATED.txt
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