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Help: Document how to build and install with CMake.

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Resolves PR21569.

Patch by: Stephen Kelly

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@229122 91177308-0d34-0410-b5e6-96231b3b80d8
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Tom Stellard 2015-02-13 16:15:32 +00:00
parent bd86e7211b
commit 3229c883b9
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docs/CMake.rst
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@ -59,6 +59,36 @@ We use here the command-line, non-interactive CMake interface.
environment variable, for instance. You can force CMake to use a given build
tool, see the `Usage`_ section.
#. After CMake has finished running, proceed to use IDE project files or start
the build from the build directory:
.. code-block:: console
$ cmake --build .
The ``--build`` option tells ``cmake`` to invoke the underlying build
tool (``make``, ``ninja``, ``xcodebuild``, ``msbuild``, etc).
The underlying build tool can be invoked directly either of course, but
the ``--build`` option is portable.
#. After LLVM has finished building, install it from the build directory:
.. code-block:: console
$ cmake --build . --target install
The ``--target`` option with ``install`` parameter in addition to
the ``--build`` option tells ``cmake`` to build the ``install`` target.
It is possible to set a different install prefix at installation time
by invoking the ``cmake_install.cmake`` script generated in the
build directory:
.. code-block:: console
$ cmake -DCMAKE_INSTALL_PREFIX=/tmp/llvm -P cmake_install.cmake
.. _Basic CMake usage:
.. _Usage: