Re: Build failures with gcc 4.5 and older

From: Linus Torvalds
Date: Wed Aug 15 2018 - 12:33:47 EST

On Wed, Aug 15, 2018 at 9:16 AM David Laight <David.Laight@xxxxxxxxxx> wrote:
> >
> > But some libelf bug that is less than a year old is likely to bite people.
> See for the libelf fix.
> It isn't anything like as rare as those emails suggest.
> An 'allmodconfig' build fails on a lot of object files after 4.15-rc9.

Ok, but that patch that fixes it was merged a long time ago already.
See commit 97dab2ae7e84 ("objtool: Fix object file corruption")

So I'm a bit confused by your issue. The thing you point to from last
year was literall fixed and committed to the tree in a couple of days

> When I fell over the problem I found a few reports on the ubuntu lists
> but they all just said the ubuntu version was unsupported.
> There is this patch I did that got
> no comments.
> But really something needs to be done to objtool.

I think you need to make a report about the exact problem with objtool
and your issue.

Not on the ubuntu lists, but to Josh.