[PATCH 27/31] Makefile: Disable LTO when building with MSYS2

[Pali Rohár]

On Tuesday 25 April 2023 19:04:10 Simon Glass wrote:
> Hi Pali,
> 
> On Tue, 25 Apr 2023 at 10:28, Pali Rohár <pali at kernel.org> wrote:
> >
> > On Monday 24 April 2023 17:08:32 Simon Glass wrote:
> > > This creates a lot of errors of the form:
> > >
> > > `__stack_chk_fail' referenced in section `.text' of ...ltrans.o: defined
> > >    in discarded section `.text' of common/stackprot.o (symbol from plugin)
> >
> > This issue should be rather fixed...
> >
> > > Drop LTO for now.
> >
> > ... and until it happens is not CONFIG_LTO for disabling enough?
> >
> > LTO does not work for more other boards / platforms and it is just _not_
> > enabled via CONFIG_LTO in those cases...
> 
> The thing is, LTO is enabled for sandbox normally (clang and gcc). It
> is just the MSYS2 platform where there are problems.

So what about having CONFIG_LTO by default 'n' for CONFIG_MSYS2?

> I am not sure how to fix it, since I don't know what discarded section
> it is referring to.
> 
> Regards,
> Simon