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 E86633858434 for ; Mon, 21 Nov 2022 07:11:11 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org E86633858434 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 sslproxy06.your-server.de ([78.46.172.3]) by dedi548.your-server.de with esmtpsa (TLS1.3) tls TLS_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1ox0xQ-000Jt4-T8; Mon, 21 Nov 2022 08:11:09 +0100 Received: from [82.100.198.138] (helo=mail.embedded-brains.de) by sslproxy06.your-server.de with esmtpsa (TLSv1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1ox0xQ-000Wzo-QN; Mon, 21 Nov 2022 08:11:08 +0100 Received: from localhost (localhost [127.0.0.1]) by mail.embedded-brains.de (Postfix) with ESMTP id 846F4480023; Mon, 21 Nov 2022 08:11:08 +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 bZy9kgg4V2ZZ; Mon, 21 Nov 2022 08:11:08 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by mail.embedded-brains.de (Postfix) with ESMTP id 3BB674800D2; Mon, 21 Nov 2022 08:11:08 +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 m-IjxLPowJsT; Mon, 21 Nov 2022 08:11:08 +0100 (CET) Received: from [10.10.171.6] (unknown [10.10.171.6]) by mail.embedded-brains.de (Postfix) with ESMTPSA id E4598480023; Mon, 21 Nov 2022 08:11:07 +0100 (CET) Message-ID: <1ca4a591-2d0f-48fa-dce0-613808904c09@embedded-brains.de> Date: Mon, 21 Nov 2022 08:11:06 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.4.0 Subject: Re: [PATCH 3/3] Add '--oslib=' option when default C library is picolibc Content-Language: en-US To: Keith Packard , gcc-patches@gcc.gnu.org Cc: Richard Sandiford References: <20220824180426.820576-1-keithp@keithp.com> <20220903060707.1622470-1-keithp@keithp.com> <20220903060707.1622470-4-keithp@keithp.com> From: Sebastian Huber In-Reply-To: <20220903060707.1622470-4-keithp@keithp.com> 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 0.103.7/26726/Sun Nov 20 09:50:39 2022) X-Spam-Status: No, score=-11.3 required=5.0 tests=BAYES_00,GIT_PATCH_0,KAM_DMARC_STATUS,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: On 03/09/2022 08:07, Keith Packard via Gcc-patches wrote: > diff --git a/gcc/config/arm/elf.h b/gcc/config/arm/elf.h > index 3d111433ede..dc5b9374814 100644 > --- a/gcc/config/arm/elf.h > +++ b/gcc/config/arm/elf.h > @@ -150,3 +150,8 @@ > #undef L_floatundisf > #endif > =20 > +#if DEFAULT_LIBC =3D=3D LIBC_PICOLIBC > +#undef LIB_SPEC > +#define LIB_SPEC "--start-group %(libgcc) -lc %{-oslib=3D*:-l%*} --en= d-group" > +#endif > + Can't you add a gcc/config/picolibc.h (similar to gcc/config/rtems.h)=20 which is placed in gcc/config.gcc with something like this: picolibc) default_libc=3DLIBC_PICOLIBC tm_file=3D"${tm_file} picolibc.h" ;; In this header place: #undef LIB_SPEC #define LIB_SPEC "--start-group %(libgcc) -lc %{-oslib=3D*:-l%*} --end-g= roup" #endif This avoids having to modify all the ELF-specific files. --=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/