Re: [PATCH v6 2/2] Kbuild: implement support for DWARF v5

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On Sat, Jan 30, 2021 at 7:42 AM Sedat Dilek <sedat.dilek@xxxxxxxxx> wrote:
>
> On Fri, Jan 29, 2021 at 11:31 PM Nick Desaulniers
> <ndesaulniers@xxxxxxxxxx> wrote:
> >
> > On Fri, Jan 29, 2021 at 2:23 PM Sedat Dilek <sedat.dilek@xxxxxxxxx> wrote:
> > >
> > > On Fri, Jan 29, 2021 at 11:21 PM Nick Desaulniers
> > > <ndesaulniers@xxxxxxxxxx> wrote:
> > > >
> > > > On Fri, Jan 29, 2021 at 2:11 PM Sedat Dilek <sedat.dilek@xxxxxxxxx> wrote:
> > > > >
> > > > > On Fri, Jan 29, 2021 at 11:09 PM Nick Desaulniers
> > > > > <ndesaulniers@xxxxxxxxxx> wrote:
> > > > > >
> > > > > > On Fri, Jan 29, 2021 at 1:20 PM Sedat Dilek <sedat.dilek@xxxxxxxxx> wrote:
> > > > > > >
> > > > > > > On Fri, Jan 29, 2021 at 10:13 PM Sedat Dilek <sedat.dilek@xxxxxxxxx> wrote:
> > > > > > > >
> > > > > > > > On Fri, Jan 29, 2021 at 10:09 PM Nick Desaulniers
> > > > > > > > <ndesaulniers@xxxxxxxxxx> wrote:
> > > > > > > > >
> > > > > > > > > Can you tell me please what is the precise command line invocation of
> > > > > > > > > make and which source file you observed this on so that I can
> > > > > > > > > reproduce?
> > > > > >
> > > > > > If you don't send me your invocation of `make`, I cannot help you.
> > > > > >
> > > > >
> > > > > /usr/bin/perf_5.10 stat make V=1 -j4 LLVM=1 LLVM_IAS=1
> > > > > PAHOLE=/opt/pahole/bin/pahole LOCALVERSION=-10-amd64-clang12
> > > > > -lto-pgo KBUILD_VERBOSE=1 KBUILD_BUILD_HOST=iniza
> > > > > KBUILD_BUILD_USER=sedat.dilek@xxxxxxxxx
> > > > > KBUILD_BUILD_TIMESTAMP=2021-01-29 bindeb-pkg
> > > > > KDEB_PKGVERSION=5.11.0~rc5-10~bullseye+dileks1
> > > >
> > > > $ make LLVM=1 LLVM_IAS=1 -j72 defconfig
> > > > $ make LLVM=1 LLVM_IAS=1 -j72 menuconfig
> > > > <enable CONFIG_DEBUG_INFO and CONFIG_DEBUG_INFO_DWARF5>
> > > > $ make LLVM=1 LLVM_IAS=1 -j72 V=1 &> log.txt
> > > > $ grep '\-g -gdwarf-5 -g -gdwarf-5' log.txt | wc -l
> > > > 0
> > > > $ grep '\-g -gdwarf-5' log.txt | wc -l
> > > > 2517
> > > >
> > > > Do have the patch applied twice, perhaps?
> > > >
> > >
> > > Switched to my v6 local Git branch and invoked above make line I gave you.
> > > I still see that double.
> > > Looks like I need some "undrunken" switch.
> >
> > Can you follow my steps precisely to see whether it's your .config?
> > Perhaps there is a config that duplicates DEBUG_CFLAGS that is not set
> > in the defconfig?  If so, it's still harmless to specify the same
> > commands twice, and likely isn't introduced by this patch set if so;
> > so I'm not sure how much more effort is worth pursuing.
> >
>
> If I follow your steps of make I do not see it "double" (in my local
> v6 Git branch).
>
> Looks like this is coming from my build-script.
>
> I checked if I have some double dwarf(-5) patches double - Nope.


Sorry for the late reply.

I do not know which command you input,
but this happens for deb-pkg builds for example.

Please try this patch:
https://lore.kernel.org/patchwork/patch/1374926/








--
Best Regards
Masahiro Yamada



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