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37 lines
1.8 KiB
37 lines
1.8 KiB
add_subdirectory
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----------------
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Add a subdirectory to the build.
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::
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add_subdirectory(source_dir [binary_dir]
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[EXCLUDE_FROM_ALL])
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Add a subdirectory to the build. The source_dir specifies the
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directory in which the source CMakeLists.txt and code files are
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located. If it is a relative path it will be evaluated with respect
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to the current directory (the typical usage), but it may also be an
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absolute path. The ``binary_dir`` specifies the directory in which to
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place the output files. If it is a relative path it will be evaluated
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with respect to the current output directory, but it may also be an
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absolute path. If ``binary_dir`` is not specified, the value of
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``source_dir``, before expanding any relative path, will be used (the
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typical usage). The CMakeLists.txt file in the specified source
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directory will be processed immediately by CMake before processing in
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the current input file continues beyond this command.
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If the ``EXCLUDE_FROM_ALL`` argument is provided then targets in the
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subdirectory will not be included in the ``ALL`` target of the parent
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directory by default, and will be excluded from IDE project files.
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Users must explicitly build targets in the subdirectory. This is
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meant for use when the subdirectory contains a separate part of the
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project that is useful but not necessary, such as a set of examples.
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Typically the subdirectory should contain its own :command:`project`
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command invocation so that a full build system will be generated in the
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subdirectory (such as a VS IDE solution file). Note that inter-target
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dependencies supersede this exclusion. If a target built by the
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parent project depends on a target in the subdirectory, the dependee
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target will be included in the parent project build system to satisfy
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the dependency.
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