On Wed, Jan 18, 2012 at 11:45:02PM -0800, Brian Smith wrote:
> Mike Hommey wrote:
> > > In the long run, for performance reasons, we should probably prefer
> > > the system NSS libraries to our own, whenever the system NSS
> > > libraries are available and are the right version, because at
> > > least some of them are likely to already have been loaded into RAM
> > > by other applications. It seems like this may avoid the types of
> > > issues you are concerned about too.
> > 
> > Except if we change the current trend, which is to use unreleased
> > nspr/nss code in mozilla, there's no way this can be sustainable.
> 
> The system NSS libraries will no longer be the "right version" in that case.
> 
> We (NSS team) have agreed to make sure that Firefox *releases* will always be 
> compatible with the latest NSPR and NSS release. Almost always, Firefox beta 
> releases will have that property too. But, often -nightly and -aurora won't 
> be compatible with the latest NSPR or NSS release, though they will usually 
> be compatible with the NSPR and NSS CVS trunk. The current situation is in 
> -nightly and -aurora is exceptional.

But linux users are not necessarily up-to-date with the latest NSS. I
seriously doubt the number of users with the very last system nss
exceeds 10% of the linux user base except in exceptional "good timing"
cases (like when ubuntu is released with the latest version), but that
doesn't last long).

Mike
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