[RFCv3] Azure/GitLab: Move to gcc-11.1.0 and LLVM-11
trini at konsulko.com
Thu Jun 17 16:14:39 CEST 2021
On Thu, Jun 17, 2021 at 10:09:20PM +0800, Bin Meng wrote:
> On Thu, Jun 17, 2021 at 8:31 PM Tom Rini <trini at konsulko.com> wrote:
> > On Thu, Jun 17, 2021 at 04:27:11PM +0800, Bin Meng wrote:
> > > Hi Tom,
> > >
> > > On Thu, Jun 17, 2021 at 4:00 AM Tom Rini <trini at konsulko.com> wrote:
> > > >
> > > > - Move to gcc-11.1.0 builds from kernel.org for supported platforms and
> > > > LLVM-11 for those tests.
> > > > - grub-2.06 does not build with gcc-11.1.0 on riscv32 as seen here:
> > > > https://firstname.lastname@example.org/msg30736.html
> > > > so drop it.
> > > > - Update to newer Xtensa (gcc-9.2.0) and ARC (gcc-10.2) toolchains
> > > >
> > > > Cc: Heinrich Schuchardt <xypron.glpk at gmx.de>
> > > > Cc: Bin Meng <bmeng.cn at gmail.com>
> > > > Cc: Simon Glass <sjg at chromium.org>
> > > > Cc: Rick Chen <rick at andestech.com>
> > > > Signed-off-by: Tom Rini <trini at konsulko.com>
> > > > ---
> > > > Changes in v3:
> > > > - Post the right patch this time.
> > > > - Switch to gcc-11.1.0 builds rather than pre-release
> > > > - grub-2.06 is out, use that rather than -rc1
> > > > - Update Xtensa and ARC toolchains.
> > > > - Note that right now this causes x86 to fail to link, which I did not
> > > > see with gcc-11.0 tests.
> > >
> > > Did you mean x86 fails to link with LLVM 11, not GCC 11?
> > It fails to run for qemu-x86:
> > https://source.denx.de/u-boot/u-boot/-/jobs/279345#L39
> > And fails to link on other configs:
> > https://dev.azure.com/u-boot/u-boot/_build/results?buildId=2378&view=logs&j=8a1d3be7-a4c9-55b6-774d-e7f1a8f80847&t=b2f224a7-1103-5b52-edbc-3784ae727e03
> > Sorry I forgot to add the CI links.
> Just had a quick look. The u-boot.rom (qemu-x86_defconfig) built with
> GCC 11.1.0 does not boot. It fails at the very early stage at
> fdtdec_prepare_fdt(). It turns out gd->fdt_blob which is set to _end
> does not point to a valid DT.
> This may have something to do with:
> x86_64-linux-ld.bfd: arch/x86/cpu/start.o: warning: relocation in
> read-only section `.text.start'
> x86_64-linux-ld.bfd: warning: creating DT_TEXTREL in a PIE
Yeah, I suspect that's the problem. I just don't know where to start
looking for what to change to address that.
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