VMS Help MACRO, VAX MACRO Assembler, /ANALYSIS_DATA  *Conan The Librarian (sorry for the slow response - running on an old VAX)

       /ANALYSIS_DATA[=filespec]
       /NOANALYSIS_DATA (default)

    Controls whether the assembler creates an analysis data file for
    the OpenVMS Source Code Analyzer (SCA), and optionally provides
    the file specification.

    By default, the assembler does not create an analysis data file.
    If you specify the /ANALYSIS_DATA qualifier without a file
    specification, the assembler creates a file with the same file
    name as the first input file for the MACRO command. The default
    file type for analysis data files is ANA. When you specify the
    /ANALYSIS_DATA qualifier, you can control the defaults applied to
    the output file specification by the placement of the qualifier
    in the command line.