[Buildroot] how to enable -mfloat-abi=hard in cross toolchain for ARM1136

Charles Krinke charles.krinke at gmail.com
Wed May 28 14:50:00 UTC 2014


I went through something similar with the TI AM3517 a few months ago and
hard float.

I ended up setting buildroot to using gcc 4.7.3 and everything stabilized.

Charles


On Wed, May 28, 2014 at 7:38 AM, Rohit Kumar <rkthebest at gmail.com> wrote:

> Hello Thomas,
>
>
>
>
>
> On Wed, May 28, 2014 at 8:33 PM, Thomas Petazzoni <
> thomas.petazzoni at free-electrons.com> wrote:
>
>> Dear Rohit Kumar,
>>
>> On Wed, 28 May 2014 19:21:37 +0900, Rohit Kumar wrote:
>>
>> > > I'll restart the build with BR2_arm1136jf_s_r0=y, which is the CPU
>> core
>> > > you selected.
>> > >
>> > it just doesnt builds with GCC compiler version 4.6
>>
>> Indeed, I can reproduce the same issue when using gcc 4.6 instead of
>> gcc 4.7. That's weird because gcc 4.6 is supposed to support EABIhf, so
>> I'm not sure what's going on here. More investigation is needed, for
>> sure.
>>
>> so is this anything i can try right now to resolve the issue??
>
>
>>  Thomas
>> --
>> Thomas Petazzoni, CTO, Free Electrons
>> Embedded Linux, Kernel and Android engineering
>> http://free-electrons.com
>>
> With Regards,
>
> Rohit Kumar
>
>
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-- 
Charles Krinke
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