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25 lines
1.0 KiB
ReStructuredText
25 lines
1.0 KiB
ReStructuredText
aux_source_directory
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--------------------
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Find all source files in a directory.
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::
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aux_source_directory(<dir> <variable>)
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Collects the names of all the source files in the specified directory
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and stores the list in the ``<variable>`` provided. This command is
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intended to be used by projects that use explicit template
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instantiation. Template instantiation files can be stored in a
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"Templates" subdirectory and collected automatically using this
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command to avoid manually listing all instantiations.
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It is tempting to use this command to avoid writing the list of source
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files for a library or executable target. While this seems to work,
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there is no way for CMake to generate a build system that knows when a
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new source file has been added. Normally the generated build system
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knows when it needs to rerun CMake because the CMakeLists.txt file is
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modified to add a new source. When the source is just added to the
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directory without modifying this file, one would have to manually
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rerun CMake to generate a build system incorporating the new file.
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