[Octave-bug-tracker] [bug #45659] version function: options and return values supported by Matlab

[John W. Eaton]

Follow-up Comment #28, bug #45659 (project octave):

I checked in some changes to store the hg id separately in liboctave and
liboctinterp so we can easily detect mismatches.

A more common problem might be picking up incorrect versions of those
libraries from the main octave-gui or octave-cli programs due to some bad
LD_LIBRARY_PATH setting or other installation problem.  So maybe we should
also store another copy of the hg id in the src directory and check for
consistency when Octave starts.  If we do this, should a mismatch be fatal or
just produce a warning?

If we require consistency for Octave to start, then I guess we could just pick
one and go back to having only "hg_id" as a single field in the
__octave_config_info__ struct.

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