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CMAKE_EXPORT_COMPILE_COMMANDS
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-----------------------------
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Enable/Disable output of compile commands during generation.
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If enabled, generates a ``compile_commands.json`` file containing the exact
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compiler calls for all translation units of the project in machine-readable
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form. The format of the JSON file looks like:
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.. code-block:: javascript
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[
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{
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"directory": "/home/user/development/project",
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"command": "/usr/bin/c++ ... -c ../foo/foo.cc",
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"file": "../foo/foo.cc"
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},
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...
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{
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"directory": "/home/user/development/project",
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"command": "/usr/bin/c++ ... -c ../foo/bar.cc",
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"file": "../foo/bar.cc"
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}
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]
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This is initialized by the :envvar:`CMAKE_EXPORT_COMPILE_COMMANDS` environment
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variable.
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.. note::
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This option is implemented only by :ref:`Makefile Generators`
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and the :generator:`Ninja`. It is ignored on other generators.
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This option currently does not work well in combination with
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the :prop_tgt:`UNITY_BUILD` target property or the
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:variable:`CMAKE_UNITY_BUILD` variable.
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