AMD64 Linux documentation

[Gene C.]

On Friday 12 December 2003 11:24, Elliot Lee wrote:
> On Fri, 12 Dec 2003, Gene C. wrote:
> > One additional thought/question ... OK, so you have /lib - /lib64 and
> > /usr/lib - /usr/lib64 ... how does a program which needs a library get
> > the "right" one since they are named the same?
>
> /sbin/ldconfig has to be the 64-bit version. This version knows how to
> read info from both 32-bit and 64-bit libraries in lib and lib64 dirs.
> The library info is written into /etc/ld.so.cache. The application's
> dynamic linker (/{lib,lib64}/ld-linux*.so*) looks through ld.so.cache and
> only pays attention to the libraries that match the architecture of the
> application.

Aaah ... the magic explained ... now this is beginning to make sense.  If 
nobody has already done it (or gets to it sooner), maybe I will pull all this 
good info (and some I am finding reading through the SUSE mailing lists) into 
a faq or something.  BUT, I want to get some real hardware experience first 
[chomping at the bit waiting for my motherboard].
-- 
Gene