Re: [OE-core] [RFT] GCC 8.1

[Khem Raj <raj.khem@gmail.com>]

On Thu, May 17, 2018 at 3:46 AM, Martin Jansa <martin.jansa@gmail.com> wrote:
> On Thu, May 10, 2018 at 09:11:45PM +0200, Martin Jansa wrote:
>> > > 5) nativesdk-libxcrypt fails to build (not sure which change caused
>> > > this, it build OK with sumo since the -std=gnu99 addition.
>> > > ../git/crypt-sunmd5.c:189:13: error: 'snprintf' output may be truncated
>> > > before the last format character [-Werror=format-truncation=]
>> > >               "$" CRYPT_ALGNAME "," ROUNDS "%u$%s$",
>> > >               ^~~
>> > >
>> >
>> > something new, I will look into reproducing this.
>
> The fix from you worked for me, thanks!

There is a followup here which now doesnt need local patch

http://git.openembedded.org/openembedded-core-contrib/commit/?h=kraj/master&id=0924a69244892097f60adbf6c7f576375bea7870

> Just FYI if someone needs similar fix, backporting this:
> https://patchwork.kernel.org/patch/9170055/
>
> fixed the issue for me, now I have successful kernel build.
>
> The failing code was always in put_user calls, e.g. kernel/exit.s was showing:
> @ 1581 "kernel-source/kernel/exit.c" 1
>         .ifnc r0,r0; .ifnc r0r0,fpr11; .ifnc r0r0,r11fp; .ifnc r0r0,ipr12; .ifnc r0r0,r12ip; .err; .endif; .endif; .endif; .endif; .endif
>         .ifnc r5,r2; .ifnc r5r2,fpr11; .ifnc r5r2,r11fp; .ifnc r5r2,ipr12; .ifnc r5r2,r12ip; .err; .endif; .endif; .endif; .endif; .endif
>         .ifnc r1,r1; .ifnc r1r1,fpr11; .ifnc r1r1,r11fp; .ifnc r1r1,ipr12; .ifnc r1r1,r12ip; .err; .endif; .endif; .endif; .endif; .endif
>         bl      __put_user_4
> @ 0 "" 2
>
> with the error triggered on the middle line.
> /tmp/ccHq8ugv.s: Assembler messages:
> /tmp/ccHq8ugv.s:1179: Error: .err encountered
> /tmp/ccHq8ugv.s:1331: Error: .err encountered
> /tmp/ccHq8ugv.s:4617: Error: .err encountered
> /tmp/ccHq8ugv.s:6222: Error: .err encountered
> /tmp/ccHq8ugv.s:8705: Error: .err encountered
> /tmp/ccHq8ugv.s:14486: Error: .err encountered
> /tmp/ccHq8ugv.s:14646: Error: .err encountered
> /tmp/ccHq8ugv.s:14806: Error: .err encountered
> /tmp/ccHq8ugv.s:14966: Error: .err encountered
> /tmp/ccHq8ugv.s:15126: Error: .err encountered
> /tmp/ccHq8ugv.s:15286: Error: .err encountered
>
> That leaves only few issues in our internal components and strange failure with perf which fails to include various header files:

perf is building file for qemux86 on o-core
I wonder if this is an issue related to your
kernel version.


>
> Cheers,