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From
SubjectRe: initrd and NFS
Date
Followup to:  <199705200614.IAA18314@lrc.di.epfl.ch>
By author: Werner Almesberger <almesber@lrc.di.epfl.ch>
In newsgroup: linux.dev.kernel
>
> - shared libraries: I think it would be great if we had some means
> to generate a customized libc without recompiling, e.g. scan all
> the executables for symbols, then copy the relevant modules from
> the system's libc to a new, smaller libc. Right now, it's either
> static linking or a lot of guesswork (and hours of libc
> recompilation). Does this sound feasible ?
>

I actually wrote a tool to do this while working for Yggdrasil. The
bottom line is that it isn't worth the hassle: even with the very
small spectrum of binaries that we were using, it only cut down libc
by some 10-15%, and you may have to recompile it if you add any more
binaries to the pool you want to execute...

-hpa
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