Re: [gentoo-dev] glibc slots

[Felipe Ghellar]

This might be interesting:

Override the GNU C library -- painlessly
http://www-106.ibm.com/developerworks/library/l-glibc.html

"Many of the modern Unixes support the concept of preloading user 
defined libraries. These libraries can be either complete replacements 
(that is, a private version of glibc) or subsets -- even a single 
function. You can use a private version of glibc by setting the 
LD_LIBRARY_PATH to include your private version of the library first. 
You can use a subset of library routines that you write by using the 
LD_PRELOAD environmental value. Both LD_LIBRARY_PATH and LD_PRELOAD are 
controlled by the dynamic ELF linker/loader. It uses a first match to 
satisfy any symbol name. By preloading your version of a library or 
function you short circuit the normal path, allowing you to override it."


Mike Hogye wrote:
> Is it deliberate that glibc-2.3.1 goes in SLOT 2.2?
>
> I'm having problems with Matlab that _seem_ to be coming from glibc-2.3.
> It would be helpful to have both 2.2 and 2.3 installed if possible ...
> but if they're intentionally in the same slot, that obviously won't
> work.
>
>
> --
> gentoo-dev@g.o mailing list
>

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