Re: Multiarch LFS

On 02/10/2013 01:23 PM, Nathan Coulson wrote:
> On Sun, Feb 10, 2013 at 11:18 AM, DJ Lucas <[email protected]> wrote:
>> Has anybody entertained the idea of multiarch (not current multilib) on
>> an LFS style build yet? I intend to do this, but if anybody has already
>> done so, I'd appreciate notes, patches, and what not.
>>
>> For those unfamiliar: http://wiki.debian.org/Multiarch/
>>   From my POV, unlike the previous disagreement of lib<qual> amongst
>> distributions, this _seems_ to be much cleaner and well thought out,
>> especially with a couple of examples in place already (Fedora has been
>> doing this in parallel as well as Debian and Ubuntu, but isn't really in
>> the spotlight yet).
>>
>> -- DJ
>
> I use a variation on my own LFS system (Basically 64bit goes into
> /usr/lib, and 32bit to /usr/lib/32.  If there are binaries I want, I
> install them to /usr/lib/32/bin).
>
> I also have a couple cross compilers, which are currently at
> /usr/x86_64-pc-mingw32 and /usr/x86_64-pc-apple-darwin10 (Which would
> probably be better in a multiarch setup).  Also have a lfs to ubuntu
> (/usr/x86_64-ubuntu1204-pc-linux-gnu) cross compiler, but I couldn't
> get the multiarch patches to work for me (autotools failed to
> regenerate the build system).  I cheated and moved all the libraries
> to standard locations instead

That should be interesting to get working. :-) Did you manage to find an 
lsb_architecture script, or more importantly, what it should actually do 
(besides return the default tuple)?

> I was tossing the multiarch idea around,  but there would be a lot of
> modifications to my buildscripts to use /usr/lib/x86_64-pc-linux-gnu
> instead of /usr/lib.  (I don't mind doing that for the i686 arch, as I
> rarely use 32bit software [I think just wine right now], but otherwise
> I do try to keep close to LFS/BLFS upstream).  I think using
> /usr/lib/i686-pc-linux-gnu instead of /usr/lib/32 would be great
> though.
>
> I'll update my notes at http://www.nathancoulson.com/proj_lfs.php (I
> think when I put up that page, I couldn't adapt the existing gcc
> instructions (We were using -B) for a multilib setup).  Not really a
> multiarch system, but it does modify some of the paths.

I do remember you sharing that page. Instrumental when adopting my first 
addon 32bit libs and compiler a few years back.

--DJ

-- 
http://linuxfromscratch.org/mailman/listinfo/lfs-chat
FAQ: http://www.linuxfromscratch.org/faq/
Unsubscribe: See the above information page