[Server-devel] armv7hl vs armv7l

[Peter Robinson]

On Fri, Jul 6, 2012 at 11:52 AM, George Hunt <georgejhunt at gmail.com> wrote:
> Thanks Peter,
>
> I was confused when I installed latest 12.1.0 on an XO and issued "uname
> -a", to see the response come back armv7l, rather than armv7hl.  I was
> thinking that yum would be confused by the difference.

The kernel isn't hardfp/softfp because the kernel doesn't use maths
co-processors. rpm/yum has been hacked to deal with it. It's all a
little ugly but it works.

> I'm glad that the trimslice generated rpms I have will be usable.  I'll need
> to learn how to override the default arch, so that yum will do what I want
> it to do. But I have google for that!

Why do you need to override the arch? What exactly are you trying to do?

> Thanks for your help,
>
> George
>
>
> On Fri, Jul 6, 2012 at 6:39 AM, Peter Robinson <pbrobinson at gmail.com> wrote:
>>
>> On Fri, Jul 6, 2012 at 10:42 AM, George Hunt <georgejhunt at gmail.com>
>> wrote:
>> > Hi Peter,
>> >
>> > You probably know the answer to this question off the top of your head.
>> >
>> > I've played with fedora's Trimslice armv7hl, using it to recompile XS
>> > rpms.
>> > Now in conversation with OLPC-Australia, I've agreed to try to apply my
>> > stuff to the XO-1.75 pre-release 12.1.0, which I believe is based upon
>> > FC17.
>>
>> It is indeed, it's using the F-17 arm hardfp release.
>>
>> > Question: Is my easiest path to basically start over, either building up
>> > a
>> > cross compiling tool chain, or maybe try to compile the XS rpms on an
>> > armv7l
>> > machine natively, as I did with the TS, (the XO itself seems the obvious
>> > choice).
>>
>> If you have a trimslice why don't you use that and compile natively?
>> In Fedora everything is compiled natively with no cross-compilation.
>>
>> > I had trouble earlier getting a tool chain together to run on FC17, on
>> > top
>> > if parallels, on my MAC.
>>
>> To be honest I've never cross compiled any ARM packages.
>>
>> > Do you have any advice?
>>
>> Compile natively :-)
>>
>> If you have a Trimslice, Pandaboard or even an XO 1.75 you can compile
>> on all of those using the standard distros. On any of the platforms
>> you can "yum install" or "yum groupinstall " anything you may need and
>> build directly. You might want to add an ext4 formatted usb HDD to use
>> as the storage for building on those platforms as they tend to be a
>> bit quicker than SD card storage.
>>
>> Peter
>
>