From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Thu, 28 Mar 2024 09:10:59 +0100 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1rpkqh-008fWg-19 for lore@lore.pengutronix.de; Thu, 28 Mar 2024 09:10:59 +0100 Received: from localhost ([127.0.0.1] helo=metis.whiteo.stw.pengutronix.de) by metis.whiteo.stw.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1rpkqg-0004z6-M5; Thu, 28 Mar 2024 09:10:58 +0100 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1rpkqW-0004yx-FN; Thu, 28 Mar 2024 09:10:48 +0100 Received: from [2a0a:edc0:2:b01:1d::c5] (helo=pty.whiteo.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1rpkqW-008xtJ-14; Thu, 28 Mar 2024 09:10:48 +0100 Received: from mol by pty.whiteo.stw.pengutronix.de with local (Exim 4.96) (envelope-from ) id 1rpkqV-0037zY-33; Thu, 28 Mar 2024 09:10:47 +0100 Date: Thu, 28 Mar 2024 09:10:47 +0100 From: Michael Olbrich To: Ian Abbott Message-ID: Mail-Followup-To: Ian Abbott , ptxdist References: <4cfc5e0b-86fd-452d-8f1d-ea8a109673f1@mev.co.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4cfc5e0b-86fd-452d-8f1d-ea8a109673f1@mev.co.uk> X-Sent-From: Pengutronix Hildesheim X-URL: http://www.pengutronix.de/ X-Accept-Language: de,en X-Accept-Content-Type: text/plain Subject: Re: [ptxdist] Getting error 'kernel' must depend on 'host-system-python3' for 'python3'! X-BeenThere: ptxdist@pengutronix.de X-Mailman-Version: 2.1.29 Precedence: list List-Id: PTXdist Development Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: ptxdist@pengutronix.de Cc: ptxdist Sender: "ptxdist" X-SA-Exim-Connect-IP: 127.0.0.1 X-SA-Exim-Mail-From: ptxdist-bounces@pengutronix.de X-SA-Exim-Scanned: No (on metis.whiteo.stw.pengutronix.de); SAEximRunCond expanded to false On Wed, Mar 27, 2024 at 05:17:21PM +0000, Ian Abbott wrote: > I'm getting this error when trying to build a kernel that has "Kernel > hacking > Compile-time checks and compiler options > Generate BTF typeinfo > (DEBUG_INFO_BTF)" enabled in the configuration: > > -------------------------------------------------------------------- > ---------------------- > target: kernel.compile > ---------------------- > > make: Entering directory '/mnt/lindata/work/abbotti/ptxdist/projects/its-ipt4-demo/platform-its-ipt4-demo/build-target/linux-6.6.21' > make[1]: Entering directory '/mnt/lindata/work/abbotti/ptxdist/projects/its-ipt4-demo/platform-its-ipt4-demo/build-target/linux-6.6.21-build' > GEN Makefile > DESCEND bpf/resolve_btfids > CALL /mnt/lindata/work/abbotti/ptxdist/projects/its-ipt4-demo/platform-its-ipt4-demo/build-target/linux-6.6.21/scripts/checksyscalls.sh > GEN /mnt/lindata/work/abbotti/ptxdist/projects/its-ipt4-demo/platform-its-ipt4-demo/build-target/linux-6.6.21-build/tools/bpf/resolve_btfids/libbpf/bpf_helper_defs.h > INSTALL libsubcmd_headers > > 'kernel' must depend on 'host-system-python3' for 'python3'! > > make[5]: *** [Makefile:160: /mnt/lindata/work/abbotti/ptxdist/projects/its-ipt4-demo/platform-its-ipt4-demo/build-target/linux-6.6.21-build/tools/bpf/resolve_btfids/libbpf/bpf_helper_defs.h] > Error 1 > make[5]: *** Deleting file '/mnt/lindata/work/abbotti/ptxdist/projects/its-ipt4-demo/platform-its-ipt4-demo/build-target/linux-6.6.21-build/tools/bpf/resolve_btfids/libbpf/bpf_helper_defs.h' > make[4]: *** [Makefile:63: /mnt/lindata/work/abbotti/ptxdist/projects/its-ipt4-demo/platform-its-ipt4-demo/build-target/linux-6.6.21-build/tools/bpf/resolve_btfids//libbpf/libbpf.a] > Error 2 > make[4]: *** Waiting for unfinished jobs.... > make[3]: *** [Makefile:76: bpf/resolve_btfids] Error 2 > make[2]: *** [/mnt/lindata/work/abbotti/ptxdist/projects/its-ipt4-demo/platform-its-ipt4-demo/build-target/linux-6.6.21/Makefile:1355: > tools/bpf/resolve_btfids] Error 2 > make[1]: *** [/mnt/lindata/work/abbotti/ptxdist/projects/its-ipt4-demo/platform-its-ipt4-demo/build-target/linux-6.6.21/Makefile:234: > __sub-make] Error 2 > make[1]: Leaving directory '/mnt/lindata/work/abbotti/ptxdist/projects/its-ipt4-demo/platform-its-ipt4-demo/build-target/linux-6.6.21-build' > make: *** [Makefile:234: __sub-make] Error 2 > make: Leaving directory '/mnt/lindata/work/abbotti/ptxdist/projects/its-ipt4-demo/platform-its-ipt4-demo/build-target/linux-6.6.21' > make: *** [/mnt/lindata/work/abbotti/ptxdist/ptxdist/ptxdist_git/ptxdist/rules/kernel.make:251: /home/abbotti/work/ptxdist/projects/its-ipt4-demo/platform-its-ipt4-demo/state/kernel.compile] > Error 2 > -------------------------------------------------------------------- > > I could live without it. It is required for RestrictFileSystems= in systemd > service units according to > . But is there an easy > fix? Put this in "platforms/kernel.fixup.in" in your BSP: ------------------------------->8---------------------------- ## SECTION=base_kernel config KERNEL select HOST_SYSTEM_PYTHON3 ------------------------------->8---------------------------- > I'm currently using ptxdist 2024.03.0 but is also reproducible on the > ptxdist master branch. We should add that dependency Upstream as well. Something like config KERNEL_PYTHON3 prompt "ensure Python3 is available" bool help Python3 is needed at build-time when CONFIG_DEBUG_INFO_BTF is enabled. Michael -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |