Sharing ld.so.cache between two glibc versions on a single system

[Carlos O'Donell]

On 11/09/2013 10:34 PM, Dmitry Mikushin wrote:
> No, I do not expect "format guarantee", format obviously changes once
> in a while.
> 
> The exact problem I'm trying to protect against is inability of
> alternative GLIBC to find shared libraries defined in system's
> /etc/ld.so.conf.d without user intervention.
> 
> As one possible direction I see myself: are there any ways to turn our
> alternative GLIBC into "a client" of system's GLIBC cache lookup
> function? This way lookup function stays compatible with the format,
> while alternative GLIBC gets access to the cache.
> 
> I really hope it's clear enough,

It's not clear at all yet. You still haven't described a problem. 

With what prefix did you configure your glibc?

Cheers,
Carlos.