Re: lib32

[Goswin von Brederlow <brederlo@informatik.uni-tuebingen.de>]

Francesco Pietra <frapietra@alice.it> writes:

> Sent again to make clear my aim: having a pure 64bit once I can run the few 
> applications I nedd (two in total) at 64bit, without having to reinstall the 
> OS. What I am trying to avoid is to make the OS "less pure" by dealing the 
> wrong way with 32bit libraries and applications.
> thanks again
> francesco pietra
>
> On Monday 05 June 2006 09:59, Goswin von Brederlow wrote:
>> The only non-free packages
>> avaiable are those the maintainer uploaded and Gerd Knorr hasn't done
>> that for openmotif and amd64.
>
> I posed this morning the question of OpenGL for 64bit to Gerd Knorr. However, 
> may I ask about the strategy to follow for 32bit applications in debian amd64 
> etch (installed on separate partitions /, /usr/. /var/ /tmp, and swap, ith 
> RAID1) at the current stage of development?
>
> 1) make use of /lib32 and /usr/lib32 as furnished on the installation. 
> performing an 'apt-get install ia32-libs' to get support for OPenGL (which is 
> what my applications require in addition to X-system) and add
>  export XLOCALEDIR=/emul/ia32-linux/usr/X11R6/lib/X11/locale" to the FAQ for 
> 32bit programs needing X locales. 
>
> 2) Installing a Debian IA32 chroot system
>  First you need to install a IA32 base system into a chroot. You can do this 
> with the debootstrap command: 
> debootstrap --arch i386 sid /var/chroot/sid-ia32 http://ftp.debian.org/debian/
> To install a few more libraries you can change into this chroot and 
> install/update packages with apt-get: 
> chroot /var/chroot/sid-ia32
> apt-get install libx11-6
>
> Option (2) from your HOWTO was that I was aimed at, until I discovered with 
> surprise that some 32bit libraries are furnished on installation as described 
> above. Now, if I opt for solution (2), what shoul I do with the 
> installed /lib32 and /usr/lib32?

Nothing. Keep them, purge them. whatever.

> All that as a temporary solution until debiam amd64 develops further and I 
> succeed in compiling at 64bit all application that I need for molecular 
> mechanics as an input to mpqc.

You can always fetch and install the unofficial sarge libmotiv3
packages or just compile the etch/sid ones yourself.

> I am used at planning before moving; although not an expert in computer 
> science, I am trying to get a clear knowledge of the boxes where to move.
>
> Thanks for help and for your kind patience.
>
> francesco pietra

MfG
        Goswin