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On Sat, 12 Jan 2008, Vadim V. Zhytnikov wrote:

Another solution might be to simply anticipate some of
the upcoming version numbers ;^)

Jokes aside. IMHO this is really the best approach.
I maintain Maxima nad TeXmacs for ALT Linux distro for
several years. And I always build TeXmacs with tiny patch
which modifies behaviour of tm_maxima in simple way.
If Maxima version doesn't match known version tm_maxima
doesn't barf "Unknown Maxima version" but tries to start
Maxima with the latest version of interface package -
texmacs-maxima-5.11.0.lisp at present.

It is easy to do this in tm_maxima (and I think I'll do this change). However, the logic of
maxima_detect help
will be broken. Currently, if a maxima which understands --list-avail is detected (this means 5.9.0 or later),
maxima --list-avail
is called, and the result is grepped for good versions (meaning 5.9.3 or later) which understand -d. The list of good versions should be known at this point, and should be updated when a new version appears. It would be a mistake to grep for bad versions (5.9.0, 5.9.1, 5.9.2 - their list is finite and never changes). Suppose a user has 5.9.0 and 5.14.0 installed. Then
maxima -d
will work, because the default is the latest version. But grepping for 5.9.0 will give a false positive.

Perhaps, I'll have to parse the output of
maxima --list-avail
separate individual components of versions, and compare them as numbers - if a version >= 5.9.3 is found, everything's OK (with a natural numerical interpretation of >=, which can be implemented in sh, with some effort. And don't forget rc1, cvs and other suffixes.)

Andrey

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• TeXmacs and maxima-5.14.0, Andrey G. Grozin, 01/08/2008
  • Message not available
    • Re: [Maxima] TeXmacs and maxima-5.14.0, Andrey G. Grozin, 01/09/2008
  • Re: [TeXmacs] TeXmacs and maxima-5.14.0, Gerhard Keller, 01/10/2008
  • Re: TeXmacs and maxima-5.14.0, Joris van der Hoeven, 01/10/2008
    • Re: [TeXmacs] Re: TeXmacs and maxima-5.14.0, Javier Arantegui, 01/11/2008
    • Message not available
      • Re: [Maxima] TeXmacs and maxima-5.14.0, Joris van der Hoeven, 01/12/2008
        • Re: [TeXmacs] Re: [Maxima] TeXmacs and maxima-5.14.0, Vadim V. Zhytnikov, 01/12/2008
          • Re: [TeXmacs] Re: [Maxima] TeXmacs and maxima-5.14.0, Andrey G. Grozin, 01/13/2008
            • Re: [TeXmacs] Re: [Maxima] TeXmacs and maxima-5.14.0, Joris van der Hoeven, 01/14/2008

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