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Fri, 29 May 2026 11:10:30 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id A621310888CC8; Fri, 29 May 2026 13:10:28 +0200 (CEST) Date: Fri, 29 May 2026 13:10:27 +0200 To: Jean-Michel Hautbois Cc: buildroot@buildroot.org, Bernd Kuhls , Fabrice Fontaine , Giulio Benetti , Ismael Luceno , Romain Naour Message-ID: References: <20260424132326.825570-1-jeanmichel.hautbois@yoseli.org> <20260424132326.825570-5-jeanmichel.hautbois@yoseli.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20260424132326.825570-5-jeanmichel.hautbois@yoseli.org> X-Last-TLS-Session-Version: TLSv1.3 X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1780053029; h=from:subject:date:message-id:to:cc:mime-version:content-type: in-reply-to:references; bh=lxFEKTUs5uljxhDrXCDWqzwZ667w2lxoPMnFyPt6CwA=; b=aH10bLiYolhEx7UAYWWj4cS5109BfBHf1N/WzHwLgcXIqjyd+jhKi76MJhVAkSdMIEtWMD wq8eL1tuUTun6iTkq/aFWUFPfHAem/jQnoXtsqCekupy/99uY+ZRI0ccP8qRl2UBC52Yg5 lkz6FjA4mJvaVoAIfzBPxvvszFpktFLdINtUFrZF4sa5BOl2ZRbSVWMDqX7UImOuzTYMlV LjmsL5G4tzSAcao+/3po28Fa8kvhZko9eXmJR+xNqgOjBEc7iK0KDBF5J0/IvpVzIWxxVc SCaCkFxf0j9+aLnq+X64Q9zQIZoA+ZZBYQQikrQpnuLezLp0Nf8JP/3FQySseg== X-Mailman-Original-Authentication-Results: smtp3.osuosl.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com X-Mailman-Original-Authentication-Results: smtp3.osuosl.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.a=rsa-sha256 header.s=dkim header.b=aH10bLiY Subject: Re: [Buildroot] [PATCH 04/11] package/gmp: disable C++ bindings on m68k ColdFire 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 Fri, Apr 24, 2026 at 03:23:19PM +0200, Jean-Michel Hautbois wrote: > On m68k ColdFire, libgcc.a exports __sync_* atomic built-in functions > as hidden symbols. When GMP's C++ bindings are enabled, libgmpxx.so > links against libstdc++ which references these hidden symbols, causing > a linker error: > > hidden symbol '__sync_val_compare_and_swap_4' in libgcc.a is > referenced by DSO > > Disable C++ bindings on m68k ColdFire. The C library (libgmp.so) is > unaffected. But isn't that a bug somewhere? Not sure if the bug is that libgcc.a exports __sync built-ins as hidden symbols, or something else. Also, why don't we see build failures on the autobuilders, for other Coldfire processors? Is this affecting only your new Coldfire CPU, or also other ones? 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