文件操作 - CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT.rst
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文件: /usr/share/cmake3/Help/variable/CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT.rst
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CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT ------------------------------------------- CMake sets this variable to a ``TRUE`` value when the :variable:`CMAKE_INSTALL_PREFIX` has just been initialized to its default value, typically on the first run of CMake within a new build tree. This can be used by project code to change the default without overriding a user-provided value: .. code-block:: cmake if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT) set(CMAKE_INSTALL_PREFIX "/my/default" CACHE PATH "..." FORCE) endif()
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