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From: Leo Yan <leo.yan@arm.com>
To: Ian Rogers <irogers@google.com>
Cc: hupu <hupu.gm@gmail.com>,
	namhyung@kernel.org, peterz@infradead.org, mingo@redhat.com,
	acme@kernel.org, mark.rutland@arm.com,
	alexander.shishkin@linux.intel.com, jolsa@kernel.org,
	adrian.hunter@intel.com, nathan@kernel.org,
	nick.desaulniers+lkml@gmail.com, morbo@google.com,
	justinstitt@google.com, linux-kernel@vger.kernel.org,
	linux-perf-users@vger.kernel.org
Subject: Re: [RFC] perf build: Allow passing extra Clang flags via EXTRA_CLANG_FLAGS
Date: Mon, 13 Oct 2025 17:14:29 +0100	[thread overview]
Message-ID: <20251013161429.GE77665@e132581.arm.com> (raw)
In-Reply-To: <CAP-5=fXykcQ7n3rw6RX3S+dLoLUC9BZKh=BP8yx8ak+f623aEg@mail.gmail.com>

On Mon, Oct 13, 2025 at 08:46:01AM -0700, Ian Rogers wrote:
> On Mon, Oct 13, 2025 at 1:08 AM hupu <hupu.gm@gmail.com> wrote:
> >
> > Hi Maintainer,
> >
> > I encountered some issues while cross-compiling perf (ARCH=arm64),
> > particularly when enabling the BPF option. During the build, Clang
> > fails to compile BPF programs due to missing header files. The
> > relevant error messages are as follows:
> 
> Thanks for reporting this issue! There has been some recent work in
> this area by Leo:
> https://lore.kernel.org/lkml/20251006-perf_build_android_ndk-v3-0-4305590795b2@arm.com/
> The patches are in Linux v6.18-rc1. Perhaps you could try repeating
> your build with this tree and reporting issues?

I am not 100% sure, could you execute install kernel headers and then
build perf ?

  make headers_install

Thanks,
Leo

  reply	other threads:[~2025-10-13 16:14 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-10-13  8:06 [RFC] perf build: Allow passing extra Clang flags via EXTRA_CLANG_FLAGS hupu
2025-10-13  8:07 ` hupu
2025-10-13 15:46   ` Ian Rogers
2025-10-13 16:14     ` Leo Yan [this message]
2025-10-14  2:31       ` hupu
2025-10-14  1:57     ` hupu

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