Re: Build failures with gcc 4.5 and older

From: Guenter Roeck
Date: Wed Aug 15 2018 - 12:49:57 EST


On Wed, Aug 15, 2018 at 09:09:17AM -0700, Tony Luck wrote:
> On Tue, Aug 14, 2018 at 1:19 PM Tony Luck <tony.luck@xxxxxxxxx> wrote:
> > My ia64 test box only has 4.3.4. I seem to remember some pain points
> > with newer versions of gcc on ia64. I need to poke around and find one
> > new enough to get past this problem, but that still works for kernel building.
>
> I had problems trying to build an up to date (or even a slightly old)
> gcc starting from 4.3.4.
>

Ah yes, one of those little details: Older versions of gcc don't
build anymore with recent versions of gcc.

> I did manage to build 4.6.4.
>
> 4.6.4 built git HEAD* that failed yesterday using 4.3.4. It boots OK.
>
FWIW, I use gcc 8.1.0 (from kernel.org) for my ia64 test builds.
Of course, I have no idea if those builds actually create bootable images.

Guenter