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