From: Bagas Sanjaya <bagasdotme@gmail.com>
To: Ian Rogers <irogers@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Jiri Olsa <jolsa@kernel.org>, Namhyung Kim <namhyung@kernel.org>,
Adrian Hunter <adrian.hunter@intel.com>,
Kajol Jain <kjain@linux.ibm.com>,
Kan Liang <kan.liang@linux.intel.com>,
John Garry <john.g.garry@oracle.com>,
Marcus Seyfarth <m.seyfarth@gmail.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Linux Regressions <regressions@lists.linux.dev>,
Linux Perf <linux-perf-users@vger.kernel.org>,
Nick Desaulniers <ndesaulniers@google.com>
Subject: Re: [perf] Build error when using LTO on 6.4
Date: Thu, 27 Jul 2023 12:55:52 +0700 [thread overview]
Message-ID: <ZMIG6J+zqSIGVlAq@debian.me> (raw)
In-Reply-To: <CAP-5=fX2ar7Pfj9it8pX_ohgC7OzY59iuDFSQTY7Kcnkc3-S5g@mail.gmail.com>
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On Wed, Jul 26, 2023 at 09:20:33PM -0700, Ian Rogers wrote:
> On Wed, Jul 26, 2023 at 8:55 PM Bagas Sanjaya <bagasdotme@gmail.com> wrote:
> >
> > Hi,
> >
> > I notice a build regression on Bugzilla [1]. Quoting from it:
> >
> > > Starting with Kernel 6.4, I see a build error when using "-flto" to build perf. This used to work fine with earlier Kernels when using either bfd or mold as linker when using GCC 13.1.1.
>
> Hmm.. strange I've never seen this work with GCC.
>
> > >
> > > This is the PKGBUILD I use as my build recipe: https://github.com/ms178/archpkgbuilds/blob/main/packages/bpf/PKGBUILD
>
> If this binary is for distribution BUILD_BPF_SKEL=1 should be set. We
> need to make this an opt-out rather than opt-in. The last time we did
> this there was some friction:
> https://lore.kernel.org/lkml/CAHk-=wjY_3cBELRSLMpqCt6Eb71Qei2agfKSNsrr5KcpdEQCaA@mail.gmail.com/
The reporter runs Arch Linux. PKGBUILD is a build script to create
packages, though. See the distro doc [1] for details.
[1]: https://wiki.archlinux.org/title/PKGBUILD
--
An old man doll... just what I always wanted! - Clara
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prev parent reply other threads:[~2023-07-27 5:57 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-27 3:55 Fwd: [perf] Build error when using LTO on 6.4 Bagas Sanjaya
2023-07-27 4:20 ` Ian Rogers
2023-07-27 5:55 ` Bagas Sanjaya [this message]
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