[lsb-discuss] LSB conf call notes for 2008-09-10

[Howard Chu]

Howard Chu wrote:
> Nelson B Bolyard wrote:
>> Nelson B Bolyard wrote, On 2008-09-12 15:48:
>>> Howard Chu wrote, On 2008-09-12 14:53:
>>>
>>>> I think the correct concept here is a "filter library"
>>>> http://docs.sun.com/app/docs/doc/801-6737/6i13gn6j5?a=view
>>> Does Linux support Solaris-style filters/filtees?
>
> At least a subset...
> http://sourceware.org/binutils/docs/ld/Options.html#Options
>
> See -f and -F ...
>
>>> NSPR uses filters/filtees for certain CPU-dependent functions on Solaris,
>>> which has the ability to choose the overlaying library ("filtee") based
>>> on the type of CPU in the box.
>> Bah.  Hit send too soon.  Meant to cite:
>> http://docs.sun.com/app/docs/doc/816-0559/6m71o2agn?l=en&a=view&q=filtees
>
> I don't see any mention of support for an $ISALIST token. That would really
> need to be supported by the dynamic loader, and I don't see any mention of it
> in the glibc ld-linux documentation.

Currently glibc only supports $ORIGIN, $PLATFORM, and $LIB.
http://sources.redhat.com/cgi-bin/cvsweb.cgi/libc/elf/dl-load.c?rev=1.290&content-type=text/x-cvsweb-markup&cvsroot=glibc

-- 
   -- Howard Chu
   CTO, Symas Corp.           http://www.symas.com
   Director, Highland Sun     http://highlandsun.com/hyc/
   Chief Architect, OpenLDAP  http://www.openldap.org/project/