From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dedi548.your-server.de (dedi548.your-server.de [85.10.215.148]) by sourceware.org (Postfix) with ESMTPS id BE5803858414 for ; Fri, 25 Feb 2022 12:03:12 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org BE5803858414 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=embedded-brains.de Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=embedded-brains.de Received: from sslproxy01.your-server.de ([78.46.139.224]) by dedi548.your-server.de with esmtpsa (TLSv1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.92.3) (envelope-from ) id 1nNZJX-0000KP-G9; Fri, 25 Feb 2022 13:03:11 +0100 Received: from [82.100.198.138] (helo=mail.embedded-brains.de) by sslproxy01.your-server.de with esmtpsa (TLSv1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1nNZJX-0001hS-DQ; Fri, 25 Feb 2022 13:03:11 +0100 Received: from localhost (localhost [127.0.0.1]) by mail.embedded-brains.de (Postfix) with ESMTP id 20DFF4800CE; Fri, 25 Feb 2022 13:03:11 +0100 (CET) Received: from mail.embedded-brains.de ([127.0.0.1]) by localhost (zimbra.eb.localhost [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id U8O8G7gIvJYL; Fri, 25 Feb 2022 13:03:10 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by mail.embedded-brains.de (Postfix) with ESMTP id B6CB94800F7; Fri, 25 Feb 2022 13:03:10 +0100 (CET) X-Virus-Scanned: amavisd-new at zimbra.eb.localhost Received: from mail.embedded-brains.de ([127.0.0.1]) by localhost (zimbra.eb.localhost [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id y9XUm_w_jPas; Fri, 25 Feb 2022 13:03:10 +0100 (CET) Received: from [10.10.171.10] (unknown [10.10.171.10]) by mail.embedded-brains.de (Postfix) with ESMTPSA id 8315D4800CE; Fri, 25 Feb 2022 13:03:10 +0100 (CET) Message-ID: Date: Fri, 25 Feb 2022 13:03:09 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 Subject: Re: undefined reference to '__builtin_mul_overflow' Content-Language: en-US To: Jordi Sanfeliu , newlib@sourceware.org References: From: Sebastian Huber In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable X-Authenticated-Sender: smtp-embedded@poldinet.de X-Virus-Scanned: Clear (ClamAV 0.103.5/26464/Fri Feb 25 10:23:00 2022) X-Spam-Status: No, score=-3.4 required=5.0 tests=BAYES_00, BODY_8BITS, KAM_DMARC_STATUS, NICE_REPLY_A, SPF_HELO_NONE, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: newlib@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Newlib mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 25 Feb 2022 12:03:14 -0000 Hello Jordi, On 25/02/2022 12:24, Jordi Sanfeliu via Newlib wrote: > I'm upgrading to Newlib 4.1.0 version (from Newlib 3.2.0) in my own=20 > hobby operating system FiwixOS for i386, and after a successful build=20 > with GCC 4.7.4 and Binutils 2.23.2, I found that I'm unable to compile = a=20 > simple C program: >=20 > # cat test.c > #include >=20 > int main(void) > { > =C2=A0=C2=A0=C2=A0=C2=A0printf("newlib version %s\n", _NEWLIB_VERSION)= ; > =C2=A0=C2=A0=C2=A0=C2=A0return 0; > } >=20 > # gcc -o test test.c > /usr/lib/gcc/i686-pc-fiwix/4.7.4/../../../../i686-pc-fiwix/lib/libc.a(l= ib_a-callocr.o):=20 > In function `_calloc_r': > /mnt/builds/build-newlib-4.1.0.final/i386-fiwix/newlib/libc/stdlib/../.= ./../../../newlib-4.1.0/newlib/libc/stdlib/mallocr.c:3210:=20 > undefined reference to `__builtin_mul_overflow' this builtin is available since GCC 5. Maybe you should update your GCC=20 version or implement __builtin_mul_overflow() in your operating system. --=20 embedded brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: sebastian.huber@embedded-brains.de phone: +49-89-18 94 741 - 16 fax: +49-89-18 94 741 - 08 Registergericht: Amtsgericht M=C3=BCnchen Registernummer: HRB 157899 Vertretungsberechtigte Gesch=C3=A4ftsf=C3=BChrer: Peter Rasmussen, Thomas= D=C3=B6rfler Unsere Datenschutzerkl=C3=A4rung finden Sie hier: https://embedded-brains.de/datenschutzerklaerung/