[OE-core] OE-Core status with gcc9

[Khem Raj]

On Sun, May 26, 2019 at 10:17 AM Khem Raj <raj.khem at gmail.com> wrote:
>
> On Mon, May 13, 2019 at 8:39 PM Khem Raj <raj.khem at gmail.com> wrote:
> >
> > On Sun, May 12, 2019 at 1:14 PM Khem Raj <raj.khem at gmail.com> wrote:
> > >
> > > On Sun, May 12, 2019 at 6:21 AM Richard Purdie
> > > <richard.purdie at linuxfoundation.org> wrote:
> > > >
> > > > I've run some tests and think we're now down to one remaining issue
> > > > with gcc 9:
> > > >
> > > > https://autobuilder.yoctoproject.org/typhoon/#/builders/60/builds/579
> > > > https://autobuilder.yoctoproject.org/typhoon/#/builders/55/builds/145
> > > >
> > >
> > > Assembler is not liking what gcc9 is generating
> > >
> > > HOSTCC scripts/kconfig/conf.o
> > > /tmp/ccnMW5be.s: Assembler messages:
> > > /tmp/ccnMW5be.s: Internal error (Segmentation fault).
> > >
> > > I wonder if its a common case or specific here?
> > > I will try to reproduce it as well
> > >
> >
> > I am able to get a .s file which crashes assembler on
> > qemu. Same file assembles ok with mips cross assembler
> > so next I want to get hold of a mips hardware and try
> > it on the real h/w, meanwhile if someone has easy access
> > to mips and can load core-image-sato-sdk on it then I can
> > provide the asm file which crashes assembler
> >
> got some more time to narrow it down.
> works with musl+gcc-9
> works with glibc+clang-8
> works with musl+Clang-8
>
> so only glibc+gcc-9 combo is one which exhibits the issue
>

I have sent a workaound for this which we can try out.
https://patchwork.openembedded.org/patch/161674/

> > > > which is a kernel "make scripts" segfaulting on target on mips and
> > > > hence failing to build kernel modules. If we can get that one fixed
> > > > we're good from an OE-Core perspective to move to gcc 9.
> > > >
> > > > I have to recognise the work Khem has put in getting us this close!
> > > >
> > > > Cheers,
> > > >
> > > > Richard
> > > >