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Diffstat (limited to 'share/cmake-3.22/Help/policy/CMP0037.rst')
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diff --git a/share/cmake-3.22/Help/policy/CMP0037.rst b/share/cmake-3.22/Help/policy/CMP0037.rst new file mode 100644 index 0000000..9895fb0 --- /dev/null +++ b/share/cmake-3.22/Help/policy/CMP0037.rst @@ -0,0 +1,34 @@ +CMP0037 +------- + +Target names should not be reserved and should match a validity pattern. + +CMake 2.8.12 and lower allowed creating targets using :command:`add_library`, +:command:`add_executable` and :command:`add_custom_target` with unrestricted +choice for the target name. Newer cmake features such +as :manual:`cmake-generator-expressions(7)` and some +diagnostics expect target names to match a restricted pattern. + +Target names may contain upper and lower case letters, numbers, the underscore +character (``_``), dot(``.``), plus(``+``) and minus(``-``). +As a special case, ``ALIAS`` and ``IMPORTED`` targets may contain +two consecutive colons. + +Target names reserved by one or more CMake generators are not allowed. +Among others these include ``all``, ``clean``, ``help``, and ``install``. + +Target names associated with optional features, such as ``test`` and +``package``, may also be reserved. CMake 3.10 and below always reserve them. +CMake 3.11 and above reserve them only when the corresponding feature is +enabled (e.g. by including the :module:`CTest` or :module:`CPack` modules). + +The ``OLD`` behavior for this policy is to allow creating targets with +reserved names or which do not match the validity pattern. +The ``NEW`` behavior for this policy is to report an error +if an add_* command is used with an invalid target name. + +This policy was introduced in CMake version 3.0. CMake version +|release| warns when the policy is not set and uses ``OLD`` behavior. Use +the :command:`cmake_policy` command to set it to ``OLD`` or ``NEW`` explicitly. + +.. include:: DEPRECATED.txt |