On Wednesday 03 March 2010 20:04:17 Alan McKinnon wrote: > On Wednesday 03 March 2010 19:04:45 Stroller wrote: > > On 3 Mar 2010, at 15:29, Stroller wrote: > > > ... > > > I have started following the Gentoo Linux AMD64 Handbook, because > > > the Quick Install Guide is described as "x86". Having untarred the > > > stage I am surprised to find a lib32 directory. I thought > > > compatibility with 32-bit binaries was optional. Or am I > > > misunderstanding? This is going to be a headless server & I can't > > > think that it'll need any binary packages - possibly the management > > > utility for the RAID controller will be distributed as a binary, I'm > > > not sure yet (the hardware RAID key was missing when I got this > > > machine ☹) > > > > Further to Alan's reply, I've proceeded a little further. > > > > I'm onto section 2.3: Changing profiles, where it says: > > "If you want to have a pure 64-bit environment, with no 32-bit > > applications or libraries, you should use a non-multilib profile." > > > > See my comments in the quoted above. It shouldn't be too expensive to > > enable the RAID in this machine (which is on the mainboard, but > > requires a little hardware PCB "key" to be fitted). That's a Dell > > PERC4, which AFAICT is a rebadged LSI megaraid. > > > > This post [1] http://tinyurl.com/3dzcl9 referrs to the management > > utility thus: "MegaCLI comes as a RPM containing only a single > > statically linked 32-bit Linux binary", however `eix mega` suggests > > there may be alternatives, such as `megactl` [2] > > > > My immediate thought when reading the handbook was that it's "best" > > and "cleanest" and "more right" to only have 64-bit libraries on a 64- > > bit system, but this need for the RAID management utility is making me > > wonder if that would be cutting off my nose to spite my face. > > It has a single statically linked binary. Which probably means it already > contains everything you will need and will run just fine. No need to build > everything multilib; if you do need a 32bit lib, just install the > appropriate emul-x86-linux package.
So how 'safe' is it these days to build a 64bit only system? Would you end up having to rebuild with multilibs because many apps which won't work on a pure 64bit build? -- Regards, Mick
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