[Octave-bug-tracker] [bug #52815] Incompatible api-v51 in 4.2.1 vs 4.3.0+

[Rik]

Update of bug #52815 (project octave):

                  Status:               Confirmed => Works For Me           

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Follow-up Comment #6:

@Petr: When you say "crashes the other Octave", do you mean there is an actual
segfault and you are returned to the shell prompt?

I get an error about not being able to load a library, but that is expected
because it was created with the wrong version of Octave.

For testing I used helloworld.cc which is available in the examples/code
directory.


~/wip/Projects_Mine/octave-dev/examples/code: octave-4.2.1 -f -q --no-gui
octave:1> mkoctfile helloworld.cc
octave:2> helloworld (1,2)
Hello World has 2 input arguments and 0 output arguments.
octave:3> exit

~/wip/Projects_Mine/octave-dev/examples/code: ../../run-octave -f -q --no-gui
octave:1> helloworld (1,2)
error: /home/rik/wip/Projects_Mine/octave-dev/examples/code/helloworld.oct:
failed to load:
/home/rik/wip/Projects_Mine/octave-dev/examples/code/helloworld.oct: undefined
symbol: _ZN19octave_pager_stream6streamEv
octave:1> 


It would be nice if Octave simply warned about the version mismatch (there is
a routine check_version for that, but it isn't getting run or maybe the
library has to load correctly before the version can be checked), but I don't
get a segfault.


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