b8d12b3 Start switching to popt

Authored and Committed by nalin 4 years ago
    Start switching to popt
    Start working up changes to use popt instead of getopt() for parsing
    command line arguments.  It's preferable to dragging along a copy of
    getopt_long() everywhere, I think.  This is just the autoconf tests and
    additions to the build requirements in the RPM .spec file.
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