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48 lines
1.6 KiB
48 lines
1.6 KiB
CMAKE_INSTALL_PREFIX
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--------------------
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Install directory used by :command:`install`.
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If ``make install`` is invoked or ``INSTALL`` is built, this directory is
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prepended onto all install directories.
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This variable defaults as follows:
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* .. versionadded:: 3.29
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If the :envvar:`CMAKE_INSTALL_PREFIX` environment variable is set,
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its value is used as default for this variable.
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* ``c:/Program Files/${PROJECT_NAME}`` on Windows.
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* ``/usr/local`` on UNIX platforms.
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See :variable:`CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT` for how a
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project might choose its own default.
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On UNIX one can use the ``DESTDIR`` mechanism in order to relocate the
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whole installation to a staging area. See the :envvar:`DESTDIR` environment
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variable for more information.
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The installation prefix is also added to :variable:`CMAKE_SYSTEM_PREFIX_PATH`
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so that :command:`find_package`, :command:`find_program`,
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:command:`find_library`, :command:`find_path`, and :command:`find_file`
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will search the prefix for other software. This behavior can be disabled by
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setting the :variable:`CMAKE_FIND_NO_INSTALL_PREFIX` to ``TRUE`` before the
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first :command:`project` invocation.
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.. note::
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Use the :module:`GNUInstallDirs` module to provide GNU-style
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options for the layout of directories within the installation.
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The ``CMAKE_INSTALL_PREFIX`` may be defined when configuring a build tree
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to set its installation prefix. Or, when using the :manual:`cmake(1)`
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command-line tool's :option:`--install <cmake --install>` mode, one may specify
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a different prefix using the :option:`--prefix <cmake--install --prefix>`
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option:
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.. code-block:: shell
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cmake --install . --prefix /my/install/prefix
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