James and Jens:
I believe the SUNWmlib package is created when they bundled the
unbundled media libraries into S10. It is created for backward
compatability reason. James Cheng was the engineer that worked on this.
James Carlson wrote:
> Jens Elkner writes:
>
>>Hmmm, currently I'm trying to strip down a zone Sol10 06/06 environment (e.g.
>>freeing /opt).
>>Since SUNWmlib gets installed on /opt per default I wanna remove
>>it.
>
>
> % du -sh /opt/SUNWmlib
> 86K /opt/SUNWmlib
> %
>
> I'm not sure 86KB of disk space (consisting of a handful of symlinks)
> is really worth the effort.
>
>
>>I think, this should have no impact at all, because no package has
>>it listed in its depend file.
>
>
> Unfortunately, not every dependency that's important for proper
> operation of the software is listed in the 'depend' file. Yes, that's
> a failing on our part, but the truth is that if you wander outside the
> confines of the supported metaclusters, and you don't take the time to
> analyze the software itself carefully, it's all too easy to hurt
> yourself.
>
> Yes, it should be otherwise. It should be possible to remove packages
> and have the system tell you whether that's a safe thing to do.
>
> Also, you can't just remove the /opt/SUNWmlib directory without
> removing the SUNWmlib package, and that *is* required by other
> software. Just do an ldd on some applications, and you'll see well
> over a hundred that are linked to it.
>
>
>>But knowing this, the next question comes into mind: What is the
>>purpose of SUNWmlib? Is it a kind of backward compat package or
>>optional performance related package?
>
>
> The links in /opt are for backward compatibility with applications
> that may have been linked against these libraries before they were
> moved to /usr/lib.
>
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_/_/_/ _/ _/ _/ _/ Mary Ding
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M I C R O S Y S T E M S
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