RTEMS 5 gcc-fb371a33fa6 vs gcc-9.2.0

Sebastian Huber sebastian.huber at embedded-brains.de
Wed Aug 14 07:25:35 UTC 2019



On 14/08/2019 09:09, Chris Johns wrote:
> On 14/8/19 4:52 pm, Sebastian Huber wrote:
>> On 14/08/2019 08:52, Chris Johns wrote:
>>>>>> On ARM a breaking change in compiler options is necessary.
>>>>> What options are these?
>>>> ARM changed the FPU options in GCC 8 and later.
>>>>
>>>>> Also this seems back to front to me. Should all hosts be on 9.2.0 and those
>>>>> that
>>>>> cannot have specific versions?
>>>> Only PowerPC should stay at GCC 7 until the next RTEMS release from my point of
>>>> view. Everything else can move on.
>>> Awesome. To make sure I understand the steps ...
>>>
>>> 1. Move gcc-fb371a33fa6 to 5/rtems-powerpc
>>> 2. Set the default to gcc-9.2.0
>>> 3. Move all other archs to the defaults
>>>
>>> ?
>> Yes, and:
>>
>> 4. Update the ARM BSPs to use the new machine options.
> Is there something that documents the changes we need to make?

No, you have to compare the multilib configurations in GCC 7 and 9.

-- 
Sebastian Huber, embedded brains GmbH

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