Redirects diagnostic output to a file.
is the file to use to save the
can include a path
Redirects the diagnostics output by the
--xrefto options to
The specified file is created when diagnostics are output. If a file of the same name already exists, it is overwritten. However, if diagnostics are not output, a file is not created. In this case, the contents of any existing file with the same name remain unchanged.
filename is specified without a path, it is
created in the output directory, that is, the directory where the output image is being