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+build_command
+-------------
+
+Get a command line to build the current project.
+This is mainly intended for internal use by the :module:`CTest` module.
+
+.. code-block:: cmake
+
+ build_command(<variable>
+ [CONFIGURATION <config>]
+ [TARGET <target>]
+ [PROJECT_NAME <projname>] # legacy, causes warning
+ )
+
+Sets the given ``<variable>`` to a command-line string of the form::
+
+ <cmake> --build . [--config <config>] [--target <target>] [-- -i]
+
+where ``<cmake>`` is the location of the :manual:`cmake(1)` command-line
+tool, and ``<config>`` and ``<target>`` are the values provided to the
+``CONFIGURATION`` and ``TARGET`` options, if any. The trailing ``-- -i``
+option is added for :ref:`Makefile Generators` if policy :policy:`CMP0061`
+is not set to ``NEW``.
+
+When invoked, this ``cmake --build`` command line will launch the
+underlying build system tool.
+
+.. code-block:: cmake
+
+ build_command(<cachevariable> <makecommand>)
+
+This second signature is deprecated, but still available for backwards
+compatibility. Use the first signature instead.
+
+It sets the given ``<cachevariable>`` to a command-line string as
+above but without the ``--target`` option.
+The ``<makecommand>`` is ignored but should be the full path to
+msdev, devenv, nmake, make or one of the end user build tools
+for legacy invocations.
+
+.. note::
+ In CMake versions prior to 3.0 this command returned a command
+ line that directly invokes the native build tool for the current
+ generator. Their implementation of the ``PROJECT_NAME`` option
+ had no useful effects, so CMake now warns on use of the option.