amd64 bit chips
Ed Hill
ed at eh3.com
Tue Oct 18 00:21:27 UTC 2005
On Mon, 2005-10-17 at 15:55 -0700, Kenneth Porter wrote:
> --On Monday, October 17, 2005 10:39 PM +0100 John Devine
> <john at johndevine.co.uk> wrote:
>
> > Is fedora a full 64 bit OS yet? Will it run 64 bit on an amd 64 bit
> > system?
>
> I'm running a triple-boot system with WinXP64, Fedora Core 4 i386 (32-bit),
> and FC4 x86_64 (64-bit). The last is mostly for playing with 64-bits when
> building apps, which as a rule want to be built "native". The 64-bit build
> will run 32-bit apps, but it's harder to build them there.
Hi Kenneth,
Did you know that, when developing user-space applications, there is
almost *never* a need to reboot to use the i386 and x86_64 versions of
FC-4? On x86_64 hardware, you can readily create chroot-ed environments
by hand using old tricks such as:
http://www.tldp.org/HOWTO/Multi-Distro-Dev/
that will allow you to build i386 applications within "pristine" i386
FC-4 installs. Neat, huh?
The "mock" ("yum install mock") and "mach" programs
http://thomas.apestaart.org/projects/mach/
are two examples of convenient setups for building RPMs that take
advantage of this neat chroot feature.
Ed
--
Edward H. Hill III, PhD
office: MIT Dept. of EAPS; Rm 54-1424; 77 Massachusetts Ave.
Cambridge, MA 02139-4307
emails: eh3 at mit.edu ed at eh3.com
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