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22 lines
648 B
22 lines
648 B
3 years ago
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<PROJECT-NAME>_IS_TOP_LEVEL
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---------------------------
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.. versionadded:: 3.21
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A boolean variable indicating whether the named project was called in a top
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level ``CMakeLists.txt`` file.
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To obtain the value from the most recent call to :command:`project` in
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the current directory scope or above, see the
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:variable:`PROJECT_IS_TOP_LEVEL` variable.
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The variable value will be true in:
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* the top-level directory of the project
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* the top-level directory of an external project added by :module:`ExternalProject`
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The variable value will be false in:
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* a directory added by :command:`add_subdirectory`
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* a directory added by :module:`FetchContent`
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