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32 lines
1.3 KiB
ReStructuredText
32 lines
1.3 KiB
ReStructuredText
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CMP0088
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-------
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.. versionadded:: 3.14
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:module:`FindBISON` runs bison in :variable:`CMAKE_CURRENT_BINARY_DIR`
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when executing.
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The module provides a ``BISON_TARGET`` macro which generates BISON output.
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In CMake 3.13 and below the macro would generate a custom command that runs
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``bison`` in the source directory. CMake 3.14 and later prefer to run it
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in the build directory and use :variable:`CMAKE_CURRENT_BINARY_DIR` as the
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``WORKING_DIRECTORY`` of its :command:`add_custom_command` invocation.
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This ensures that any implicitly generated file is written to the build
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tree rather than the source.
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This policy provides compatibility for projects that have not been updated
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to expect the new behavior.
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The ``OLD`` behavior for this policy is for ``BISON_TARGET`` to use
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the current source directory for the ``WORKING_DIRECTORY`` and where
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to generate implicit files. The ``NEW`` behavior of this policy is to
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use the current binary directory for the ``WORKING_DIRECTORY`` and where
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to generate implicit files.
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This policy was introduced in CMake version 3.14. Use the
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:command:`cmake_policy` command to set it to ``OLD`` or ``NEW`` explicitly.
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Unlike most policies, CMake version |release| does *not* warn
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when this policy is not set and simply uses ``OLD`` behavior.
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.. include:: DEPRECATED.txt
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