PowerPC64 future proof kernel toc, revised for lld

[Christophe Leroy]

Le 10/03/2021 à 13:25, Alan Modra a écrit :
> On Wed, Mar 10, 2021 at 08:33:37PM +1100, Alexey Kardashevskiy wrote:
>> One more question - the older version had a construct "DEFINED (.TOC.) ?
>> .TOC. : ..." in case .TOC. is not defined (too old ld? too old gcc?) but the
>> newer patch seems assuming it is always defined, when was it added? I have
>> the same check in SLOF, for example, do I still need it?
> 
> .TOC. symbol support was first added 2012-11-06, so you need
> binutils-2.24 or later to use .TOC. as a symbol.
> 

As of today, minimum requirement to build kernel is binutils 2.23, see 
https://www.kernel.org/doc/html/latest/process/changes.html#current-minimal-requirements

Christophe