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receiver= Received: from smtpout-02.galae.net (smtpout-02.galae.net [185.246.84.56]) by smtp1.osuosl.org (Postfix) with ESMTPS id 3BEF180D96 for ; Sun, 4 Oct 2026 07:07:41 +0000 (UTC) Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-02.galae.net (Postfix) with ESMTPS id C74261A1121 for ; Sun, 4 Oct 2026 07:07:38 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id 8A423604FE; Sun, 4 Oct 2026 07:07:38 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 6427F103282A8; Sun, 4 Oct 2026 09:07:35 +0200 (CEST) Date: Sun, 4 Oct 2026 09:07:34 +0200 To: Bernd Kuhls Cc: buildroot@buildroot.org, Hiroshi Kawashima Message-ID: References: <20260926130006.243930-1-bernd@kuhls.net> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20260926130006.243930-1-bernd@kuhls.net> X-Last-TLS-Session-Version: TLSv1.3 Subject: Re: [Buildroot] [PATCH 1/1] package/mpg123: remove MMU dependency X-BeenThere: buildroot@buildroot.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Discussion and development of buildroot List-Unsubscribe: , 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 Errors-To: buildroot-bounces@buildroot.org Sender: "buildroot" On Sat, Sep 26, 2026 at 03:00:06PM +0200, Bernd Kuhls wrote: > Buildroot commit f0862592b3caf5bc9cd347fd29634673cfbbabd7 added the > dependency to BR2_USE_MMU in 2014. > Upstream made fork() optional in 2022: > https://github.com/madebr/mpg123/commit/91f75fc026e37d88d25229b81c58bcf8d6d2a8eb > > This change reveals a previously hidden build error with the toolchain > bootlin-armv7m-uclibc: > > src/libmpg123/synth_arm_accurate.S: Assembler messages: > src/libmpg123/synth_arm_accurate.S:22: Error: selected processor does > not support ARM opcodes > src/libmpg123/synth_arm_accurate.S:31: Error: attempt to use an ARM > instruction on a Thumb-only processor -- > `stmfd sp!,{r4,r5,r6,r7,r8,r9,r10,r11,lr}' > src/libmpg123/synth_arm_accurate.S:33: Error: attempt to use an ARM > instruction on a Thumb-only processor -- `add r0,r0,#64' > [...] So the ARM support needs support for ARM instructions. > To fix the problem we limit ARM code to !BR2_ARM_INSTRUCTIONS_THUMB2. Therefore it is most logical to require BR2_ARM_CPU_HAS_ARM than !BR2_ARM_INSTRUCTIONS_THUMB2. So I've changed: > +ifeq ($(BR2_arm)x$(BR2_ARM_INSTRUCTIONS_THUMB2),yx) to: ifeq ($(BR2_arm)$(BR2_ARM_CPU_HAS_ARM),yy) and applied. Thanks! Thomas -- 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