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receiver= Received: from smtpout-04.galae.net (smtpout-04.galae.net [185.171.202.116]) by smtp2.osuosl.org (Postfix) with ESMTPS id C22E340042 for ; Sun, 1 Nov 2026 22:43:10 +0000 (UTC) Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-04.galae.net (Postfix) with ESMTPS id 5DFF0C49F79; Sun, 1 Nov 2026 22:44:12 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id 8529D60750; Sun, 1 Nov 2026 22:43:08 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id C3858103290E8; Sun, 1 Nov 2026 23:43:07 +0100 (CET) Date: Sun, 1 Nov 2026 23:43:07 +0100 To: Yegor Yefremov Cc: buildroot@buildroot.org Message-ID: References: <20261030222648.270223-1-yegorslists@gmail.com> X-Archived-By: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20261030222648.270223-1-yegorslists@gmail.com> X-Last-TLS-Session-Version: TLSv1.3 Subject: Re: [Buildroot] [PATCH] package/linux-tools: perf: explicitly disable BPF skeletons X-BeenThere: buildroot@buildroot.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Discussion and development of buildroot List-Archive: List-Post: List-Help: List-Subscribe: , From: Thomas Petazzoni via buildroot Reply-To: Thomas Petazzoni Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "buildroot" X-Spam-Status: No, score=-11.1 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,SPF_HELO_PASS autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 On Fri, Oct 30, 2026 at 11:26:48PM +0100, Yegor Yefremov via buildroot wrote: > From: Yegor Yefremov > > perf builds its BPF skeletons by default whenever libelf, zlib, libbpf > and openssl support are enabled and a clang >= 12.0.1 is found in the > PATH. That clang is the host's one, and it compiles the BPF programs > against the host's system headers, so the build fails (here with > linux 7.2.6 on ARM and Ubuntu's clang 21.1.8): > > /usr/include/linux/ioctl.h:5:10: fatal error: 'asm/ioctl.h' file not found > make[6]: *** [.../tools/perf/bpf_skel.mak:87: .../tools/perf/util/bpf_skel/.tmp/bpf_prog_profiler.bpf.o] Error 1 > > Without clang on the host, perf silently disables them, so whether the > build works depends on the build machine. > > The perf tool does not depend on host-clang, so always pass > BUILD_BPF_SKEL=0 rather than let the host's clang be picked up. > > Signed-off-by: Yegor Yefremov Applied to master, thanks! Best regards, Thomas Petazzoni -- Thomas Petazzoni, co-owner and CEO, Bootlin Embedded Linux and Kernel engineering and training https://bootlin.com _______________________________________________ buildroot mailing list buildroot@buildroot.org https://lists.buildroot.org/mailman/listinfo/buildroot