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Re: Colors and Virtual Machine [message #49231 is a reply to message #49153]

Wed, 05 July 2006 11:23

JD Smith
Messages: 850
Registered: December 1999

Senior Member

> No, a 6.0 VM would still have the bug. Your users would have to upgrade
> their VM's.

Hi Karl,

This brings up a related but different question. How hard do you guys
strive to keep the binary .sav format for compiled code backward
compatible? I.e. in statements like "This compiled .sav file requires
IDL version 6.2 or later", how far in general will "or later" extend?
Within major version number sets (e.g. 6.x?). Or is there any
specific policy on this?

Obviously, forward compatibility is harder, e.g. allowing a
6.2-compiled .sav to run under v5.X, but this is typically true of
source code as well, so there's no real expectation for that to work.
However, 99.9% of IDL source code (my guess) is backward compatible
--- I'm just wondering how often this compatibility gets broken for
the compiled code, due to changes in the .sav format or other ABI
issues?

JD

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[Message index]

		Colors and Virtual Machine By: Phillip Bitzer on Fri, 30 June 2006 14:32
		Re: Colors and Virtual Machine By: JD Smith on Wed, 05 July 2006 14:26
		Re: Colors and Virtual Machine By: Karl Schultz on Wed, 05 July 2006 14:09
		Re: Colors and Virtual Machine By: JD Smith on Wed, 05 July 2006 11:23

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