Older gcc for MacOS

[Chris Johns]

On 8/1/22 9:34 am, Joel Sherrill wrote:
> On Fri, Jan 7, 2022 at 4:17 PM Chris Johns <chrisj at rtems.org> wrote:
>>
>> On 8/1/22 8:28 am, Ryan Long wrote:
>>> Hi,
>>>
>>> Our MacOS VM is failing to build several of the tools on the RTEMS 5 branch. We
>>> think that using an older version of gcc should get all of the tools to build. I
>>> tried build gcc-4.8 with the RSB, but I get the following error.
>>>
>>>
>>> tester at VM-MacOS bare % ../source-builder/sb-set-builder
>>> --prefix=${HOME}/rtems-cron-5/tools/gcc-48 gnu-tools-4.8.2
>>> RTEMS Source Builder - Set Builder, 5 (6225eadda1de modified)
>>> Build Set: gnu-tools-4.8.2
>>> error: gnu-tools-4.8.2:24: cannot find file: devel/gcc-4.8.2-newlib-cvs-1
>>> Build Set: Time 0:00:00.000607
>>> Build FAILED
>>>
>>>
>>> Does anyone know how to get these tools to build?
>>>
>>
>> It looks like the recipe has rotted.
> 
> Was there a native gcc recipe? The name includes newlib which would
> imply it is intended for use with RTEMS.

The `bare/config` tree had recipes to build bare metal tool chains.

> Also clearly old with cvs in the name.
> 
> Having the ability to build an older gcc would ease the burden of
> using 5 on newer FreeBSD, Linux, etc with stricter compilers. As
> with everything, doing it with the RSB gives us control.

Yes but do we want to head down that path?

Chris