文件操作 - DESTDIR.rst
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文件: /usr/share/cmake3/Help/envvar/DESTDIR.rst
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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 makefile users in order to install software at non-default location. It is usually invoked like this: :: make DESTDIR=/home/john install which will install the concerned software using the installation prefix, e.g. ``/usr/local`` prepended with the ``DESTDIR`` value which finally gives ``/home/john/usr/local``. WARNING: ``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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