[Arm-dev] Cross Compiling vs Native Compiling

[Mandar Joshi]

I didn't realize the issue with compiler quirks.
Thanks. I'll stick to native compiling.

On Thu, Apr 16, 2015 at 2:32 PM, Gordan Bobic <gordan at redsleeve.org> wrote:
> On 2015-04-16 09:52, Mandar Joshi wrote:
>>
>> Hello everybody,
>> This part is mentioned in my GSoC proposal but I thought I should
>> bring it up here as well.
>>
>> How do you feel about taking a slightly different approach to ARM
>> development? Viz. Cross Compiling. We could use existing
>> infrastructure x86,x86_64 servers to build packages for ARMv7.
>>
>> This will require writing some plugins for Yum, Mock & Koji based on
>> work done by msalter from RedHat. I am referring to this post
>>
>> https://www.redhat.com/archives/fedora-buildsys-list/2009-July/msg00000.html
>>
>> The way I see it, cross compiling will get packages compiled faster
>> and would be easy to setup. We won't have to rely of ARM Hardware from
>> online.net
>
>
> This idea is not new, and is often used for early bootstrapping,
> or even intermediate builds (e.g. using distcc) but IIRC it has been
> a long standing policy with Fedora that the final binaries must be
> compiled natively. This stems from various compiler quirks that may
> manifest in one case but not the other.
>
> Having said that, the usefulness of large scale cross-compiling has
> been steadily reducing as availability of less slow ARM hardware
> has been increasing (it is now easy to get reasonably cheap ARM
> machines with 4-8 CPU cores and 3-4GB of RAM).
>
> Gordan
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