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- DESTDIR
- -------
- .. include:: ENV_VAR.txt
- On UNIX one can use the ``DESTDIR`` mechanism in order to relocate the
- whole installation. ``DESTDIR`` means DESTination DIRectory. It is
- commonly used by packagers to install software in a staging directory.
- For example, running
- .. code-block:: shell
- make DESTDIR=/package/stage install
- will install the software using the installation prefix, e.g. ``/usr/local``,
- prepended with the ``DESTDIR`` value which gives ``/package/stage/usr/local``.
- The packaging tool may then construct the package from the content of the
- ``/package/stage`` directory.
- See the :variable:`CMAKE_INSTALL_PREFIX` variable to control the
- installation prefix when configuring a build tree. Or, when using
- the :manual:`cmake(1)` command-line tool's ``--install`` mode,
- one may specify a different prefix using the ``--prefix`` option.
- .. note::
- ``DESTDIR`` may not be used on Windows because installation
- prefix usually contains a drive letter like in ``C:/Program Files``
- which cannot be prepended with some other prefix.
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