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Thu, 21 Nov 2019 11:40:34 +0000 From: Wilco Dijkstra To: Rainer Orth , Jakub Jelinek CC: Ian Lance Taylor , GCC Patches Subject: Re: [PATCH] Fix libgo build (was Re: [PATCH v3] PR85678: Change default to -fno-common) Date: Thu, 21 Nov 2019 11:54:00 -0000 Message-ID: References: <20191121001845.GC4650@tucnak> <20191121005445.GD4650@tucnak>, In-Reply-To: Authentication-Results-Original: spf=none (sender IP is ) smtp.mailfrom=Wilco.Dijkstra@arm.com; x-checkrecipientrouted: true x-ms-oob-tlc-oobclassifiers: OLM:2331;OLM:2331; X-Forefront-Antispam-Report-Untrusted: SFV:NSPM;SFS:(10009020)(4636009)(366004)(136003)(376002)(396003)(346002)(39860400002)(189003)(199004)(26005)(478600001)(33656002)(3846002)(11346002)(2906002)(71190400001)(66066001)(71200400001)(6116002)(446003)(14454004)(25786009)(66476007)(66556008)(64756008)(66446008)(66946007)(8936002)(81166006)(76116006)(8676002)(81156014)(86362001)(229853002)(7736002)(4326008)(7696005)(110136005)(6436002)(76176011)(55016002)(102836004)(9686003)(256004)(54906003)(99286004)(4744005)(5660300002)(6246003)(14444005)(316002)(6506007)(186003)(305945005)(74316002)(52536014);DIR:OUT;SFP:1101;SCL:1;SRVR:VI1PR0801MB1677;H:VI1PR0801MB2127.eurprd08.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;MX:1;A:1; received-spf: None (protection.outlook.com: arm.com does not designate permitted sender hosts) X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam-Untrusted: BCL:0; X-Microsoft-Antispam-Message-Info-Original: uOa4FGc4Yz5D44czGcbaC68rcirC3fsL0O4jiVukaVh7Xwf8dDrSZzxgFVaNUVkef5X2orsAzUkF0vdPCPinaIdfB47HK0Y7Li6x/dT2Cz8UPwo7/WlVIkzVqkSskWkoQXXwC/Co2dGRq57+9QkaoQi7ZZGDs513yP4aDGlQ+wcpRfBuCpNX8jH85flpgu0AoQQGdYmBCY6x8w17XteBRHqYREoUZdtR3rHDfv+0Mm8yR3qPdhMPhjQWEvsLxoHcBwMHaIZYCcW9ptdQ4Leu6H9z0ZrHMS5Tk/tqquwm7EQEfpc+P5OK1bY21MUDR9f+nDbLTJ/C5sm8YX66vQu8nBOy5qw3zT14v9maKBhsLhbFUfXSoAM4wQhDOAt0ddcN52EmKklrZCekn/rs1yAu+0B38aMija/pp1Jp0uZ55S0p7WwySb2pboTLgW9cafi7 x-ms-exchange-transport-forked: True Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Original-Authentication-Results: spf=none (sender IP is ) smtp.mailfrom=Wilco.Dijkstra@arm.com; Return-Path: Wilco.Dijkstra@arm.com X-MS-Exchange-Transport-CrossTenantHeadersStripped: AM5EUR03FT051.eop-EUR03.prod.protection.outlook.com X-MS-Office365-Filtering-Correlation-Id-Prvs: 20ee57e1-bc2b-4986-6b9b-08d76e779ed8 X-SW-Source: 2019-11/txt/msg02086.txt.bz2 Hi Rainer, >> ld: warning: symbol 'err' has differing types: >> (file /var/tmp//ccWQCyMc.o type=3DOBJT; file /lib/libc.so type= =3DFUNC); >> /var/tmp//ccWQCyMc.o definition taken So are glob and err somehow exported as globals by your GLIBC? I don't thin= k those are standard functions... It's odd the linker didn't give the warning when = the mismatch was on a common data symbol - in both cases you have a function/data mismat= ch. Wilco