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# exec_program

Deprecated. Use the `execute_process()` command instead.

Run an executable program during the processing of the CMakeList.txt file.

    exec_program(Executable [directory in which to run]
                 [ARGS <arguments to executable>]
                 [OUTPUT_VARIABLE <var>]
                 [RETURN_VALUE <var>])

The executable is run in the optionally specified directory. The executable can include arguments if it is double quoted, but it is better to use the optional `ARGS` argument to specify arguments to the program. This is because cmake will then be able to escape spaces in the executable path. An optional argument `OUTPUT_VARIABLE` specifies a variable in which to store the output. To capture the return value of the execution, provide a `RETURN_VALUE`. If `OUTPUT_VARIABLE` is specified, then no output will go to the stdout/stderr of the console running cmake.

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