[Buildroot] [PATCH v2 04/30] gst-ffmpeg: use the new BR2_ARM_CPU_ARM* options

[Arnout Vandecappelle]

On 22/10/14 09:34, Thomas Petazzoni wrote:
> Dear Yann E. MORIN,
> 
> On Tue, 21 Oct 2014 23:18:11 +0200, Yann E. MORIN wrote:
> 
>>> -ifeq ($(BR2_arm1136jf_s)$(BR2_arm1176jz_s)$(BR2_arm1176jzf_s),y)
>>> +ifeq ($(BR2_ARM_CPU_ARMV6),y)
>>>  GST_FFMPEG_CONF_EXTRA_OPTS += --enable-armv6
>>>  else
>>>  GST_FFMPEG_CONF_EXTRA_OPTS += --disable-armv6 --disable-armv6t2
>>
>> armv6t2: does that hint that we can tune to use Thumb-2 ?
> 
> I thought Thumb-2 was only introduced with ARMv7, but it turns out it's
> not the case. It has in fact been introduced in ARM1156, part of the
> ARMv6 architecture.
> 
> However, this ARM1156 is not supported in Buildroot, and I have never
> heard of it in any publicly available SoC.
> 
> However, this means that --enable-armv6t2 can be used for ARMv7.

 I wouldn't want to actually use it unless tested on real hardware, however.

 Regards,
 Arnout



-- 
Arnout Vandecappelle                          arnout at mind be
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