[Octave-bug-tracker] [bug #45188] MXE: problems installing different Octave versions side by side

[John Donoghue]

Follow-up Comment #15, bug #45188 (project octave):

I thought it had done that all the time - if trying to install like versions
ie: 4.1.0 when a 4.1.0 is already installed, or 4.0.0 when 4.0.0-rc4 was
already installed.

It uses the version of octave to decide on the version number to use for
writing to the registry.

Really there are two parts of the check.
1) at init, check if what it considers the 'same' version of octave installed
and display the message.

2) on path selection, check whether it thinks you are trying to install 
octave over the top of a different version of octave. (in this case you are
able to select a different path)

Other issues, at the time of the initial bug report was that on uninstall, it
left files that weren't part of the original installation but should be
removed anyway.

The remove all files part was fixed in the report, but checking like versions 
part remained the same.

So for the 'normal' user it should only be a problem when they are trying to
install the same release again.

I guess that would also be the case if installing the same 32 bit and 64 bit
octaves.

We could change something to make it have unique registry structures for 32 vs
64 bit, but does it make sense to allow install of multiple 'same version'
octaves?  



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