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18 lines
662 B
18 lines
662 B
CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT
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-------------------------------------------
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.. versionadded:: 3.7.1
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CMake sets this variable to a ``TRUE`` value when the
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:variable:`CMAKE_INSTALL_PREFIX` has just been initialized to
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its default value, typically on the first
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run of CMake within a new build tree and the :envvar:`CMAKE_INSTALL_PREFIX`
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environment variable is not set on the first run of CMake. This can be used
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by project code to change the default without overriding a user-provided value:
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.. code-block:: cmake
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if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
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set_property(CACHE CMAKE_INSTALL_PREFIX PROPERTY VALUE "/my/default")
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endif()
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