Building an using a parallel glibc (and still maintaining the original glibc)

[sting sting]

Hello,

  I am trying to build an using a parallel glibc on Linux;
I want to use it at certain occasions , while using the
original glibc for usual use;  I want this for learning more on glibc 
,especially
on memory allocation and the dynamic loader.
Natuarally I prefer not to tamper with the original glibc (so I won't crash 
my system).

Is there some guidance how to do it ?
I saw in this newsgroup some questions about it , but without clear answers.

I am able to build a parallel glibc with no poblems ; what should I do so I 
will  compile
"C"programs with it  , while keeping the old origianl glibc ?


Regards,
Sting

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