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31 lines
1.3 KiB
31 lines
1.3 KiB
CMP0000
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-------
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A minimum required CMake version must be specified.
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CMake requires that projects specify the version of CMake to which
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they have been written. This policy has been put in place so users
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trying to build the project may be told when they need to update their
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CMake. Specifying a version also helps the project build with CMake
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versions newer than that specified. Use the cmake_minimum_required
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command at the top of your main CMakeLists.txt file:
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::
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cmake_minimum_required(VERSION <major>.<minor>)
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where "<major>.<minor>" is the version of CMake you want to support
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(such as "2.6"). The command will ensure that at least the given
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version of CMake is running and help newer versions be compatible with
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the project. See documentation of cmake_minimum_required for details.
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Note that the command invocation must appear in the CMakeLists.txt
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file itself; a call in an included file is not sufficient. However,
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the cmake_policy command may be called to set policy CMP0000 to OLD or
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NEW behavior explicitly. The OLD behavior is to silently ignore the
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missing invocation. The NEW behavior is to issue an error instead of
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a warning. An included file may set CMP0000 explicitly to affect how
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this policy is enforced for the main CMakeLists.txt file.
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This policy was introduced in CMake version 2.6.0.
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