Re: When should ralloc.c be used?

[Eli Zaretskii]

> From: Andreas Schwab <address@hidden>
> Date: Sun, 23 Oct 2016 17:22:37 +0200
> Cc: Paul Eggert <address@hidden>, address@hidden,
>       address@hidden
> 
> On Okt 23 2016, Eli Zaretskii <address@hidden> wrote:
> 
> > Is it reasonable to require a version of glibc that still supports
> > __malloc_initialize_hook?  When people upgrade to a newer glibc, the
> > previous version is still left on the system, I presume (for programs
> > that need them which were built against those old versions)?
> 
> There will ever be only one glibc.

Sorry, I don't understand what that means.  Can't it be that some
older program is linked against an older libc.so.N version?