Error building toolchain for ARM cortex A8

Michael Eager eager@eagerm.com
Wed Mar 14 23:24:00 GMT 2012


On 03/14/2012 04:06 PM, Bryan Hundven wrote:
> On Wed, Mar 14, 2012 at 3:50 PM, Michael Eager<eager@eagerm.com>  wrote:
>> On 03/14/2012 01:40 PM, Bryan Hundven wrote:
>>>
>>> On Wed, Mar 14, 2012 at 1:36 PM, Michael Hope<michael.hope@linaro.org>
>>>   wrote:
>>>>
>>>> On 15 March 2012 07:10, Michael Eager<eager@eagerm.com>    wrote:
>>>>>
>>>>> On 03/05/2012 01:47 PM, Yann E. MORIN wrote:
>>>>>>
>>>>>>
>>>>>> Eric, All,
>>>>>>
>>>>>> Which looks pretty obvious: hard-float are not possible for VFP.
>>>>>> Although
>>>>>> this is theorically possible, gcc-4.4 (and all other versions, AFAIK)
>>>>>> do
>>>>>> not support building hard-float for VFP.
>>>>>>
>>>>>>> What am I doing wrong?
>>>>>>
>>>>>>
>>>>>>
>>>>>> Build with soft-float.
>>>>>
>>>>>
>>>>>
>>>>> I ran into this problem as well.   There ought to be a configuration
>>>>> option which selects the ARM processor version and passes the correct
>>>>> options to gcc configure so that the default options do create a
>>>>> broken tool chain.
>>>>
>>>>
>>>> Sorry, I'm late to this thread.  GCC 4.5 and later support the hard
>>>> float ABI on the Cortex-As with VFPv3.  I think 4.4 does as well.
>>>> What was the problem?
>>>
>>>
>>> He's building 4.4.6.
>>
>>
>> I saw the scripts/addToolVersion.sh script and added gcc-4.6.3.
>> But when I run "ct-ng menuconfig" this is not an option for GCC.
>> How do I make this show up in menuconfig?
>
> You need CT_EXPERIMENTAL=y

I ran "CT_EXPERIMENTAL=y ct-ng menuconfig" but I don't see gcc-4.6.3.

-- 
Michael Eager	 eager@eagercon.com
1960 Park Blvd., Palo Alto, CA 94306  650-325-8077

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