DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 94DA73834C0A
To: "cygwin AT cygwin DOT com" <cygwin AT cygwin DOT com>
Subject: RE: gcc -pg broken after cygwin update?
Thread-Topic: gcc -pg broken after cygwin update?
Thread-Index: AdkKF5h5z4CMSmVXSTihMSRdgfhtQwAGocwAAAHCBAAABPPnwA==
Date: Wed, 7 Dec 2022 15:05:04 +0000
Message-ID: <AS8PR08MB6936034B363027E094E4F102E91A9@AS8PR08MB6936.eurprd08.prod.outlook.com>
References: <AS8PR08MB6936BAD1D7274720E4449505E91A9 AT AS8PR08MB6936 DOT eurprd08 DOT prod DOT outlook DOT com>
 <Y5B+DvKl+fzjtZTk AT calimero DOT vinschen DOT de>
 <Y5CJ2puxN+/Reahf AT calimero DOT vinschen DOT de>
In-Reply-To: <Y5CJ2puxN+/Reahf@calimero.vinschen.de>
Accept-Language: en-US
Content-Language: en-US
x-ms-exchange-antispam-messagedata-chunkcount: 1
x-ms-exchange-antispam-messagedata-0: =?utf-8?B?OU5xYlFqUkp6VlRYS0tyYno3b2RWU29ROUlLWDRNVDUrTEkwSWpSOTZ6TDNL?=
 =?utf-8?B?Y2xkUTM0T1BSaDdOWExTNTBmRmtQYWlnQ2N5S2FSV0V2Tlk2Q3Q1M1M3YjVm?=
 =?utf-8?B?YTFpZ1loYmxFSVgwc0VkSEczaFFSekN6MFpITnBJU1FES2cxVFZBNFRxdEc0?=
 =?utf-8?B?QTI1UEEvTldNVllqL0IydTc1S3p3eCthWXFQRnZSTGdMek1ZNTliU2duT01Z?=
 =?utf-8?B?ZHVBNW9XWHJSQVdQRTZ1dWVHQy8vUGdYOUVSNkFQeTdEMUo5T0dGanVwK2dE?=
 =?utf-8?B?WkFva01uTGwwd1BPd1ErQUVmV0JPSlA5MnV2YkxIQ1lBM1M4b0kwbmhvT2Jo?=
 =?utf-8?B?Rit5UW8wWSszclJqbmQ1SHYrTDB5Q2h5OHVYSHl3K1ZwaG4waTdnNHltY0M0?=
 =?utf-8?B?UktBTVAvRithU0JsK3MzM2h3NHNUa1FUcGpnOW9sakdIbzNpNDhQSFUwRjZC?=
 =?utf-8?B?MHYvV1c0S2RTWnM2d2JXZlJLWVljQlh6YVF0U2U3VVFIS0JFRU9aVjNaYmdH?=
 =?utf-8?B?N3ZoUU1NRTB4SUZYVDdZUTIyaXJsQVp4ODJyVDRpZ1paU1M3UVg5Q1hIeENl?=
 =?utf-8?B?ZzhWMEVHTXIxVk1xOENBZ2Z1SGpCUk5lOWludlFldnBoZXVubit0YTZFSzlX?=
 =?utf-8?B?clJFczFBOFRST1diemZNZzJuSVp4dTVLbFFKWVJLMDdnZVpPZ1kra0ZQeHdw?=
 =?utf-8?B?ZWFFYUpsS2Z6Z2VKQjFYOUVzY0tkMituU21ObGw4dkVUbWgwemwvWStjMkxD?=
 =?utf-8?B?TGowcUZnREcrWVhMZFc5WVlMV09ib2xkNHFRWFg3L0h2VFVUVXhXckJaWDNl?=
 =?utf-8?B?L2NnSEtIV1NzMXdLeS9IT0pra25rM1YzbGdCVmZJd2dlTGt5Y3BjNUpIUGlY?=
 =?utf-8?B?NURiQko3aUx2MGpjcCtWMmFDekxpbEkrMW13QlhNeTJJUXIraTV0UjNDNVlq?=
 =?utf-8?B?d0ZJLzUyekZzR1E0RDBwVm55Q2R6YmRZZVh6Skl0SWgyK1AxbmdPUVB6Wk43?=
 =?utf-8?B?bVFaa1htaGNWTVFQSEpISW4xVjlLVitwRDNYdmY5cGJ6dDJFUkVhK1dsNUVh?=
 =?utf-8?B?K2tkVndwd1k5YzV6dTdoeURHNFNoK2c0V1RucmszUWpkY3ptbHFKR2dZS0xX?=
 =?utf-8?B?UlNGT285TlVKZjdkSXJTOXBOZW9tUm1jQmRwS0NYRlIyKzlGNlVyUUVoaWZu?=
 =?utf-8?B?azZuNm4zcDJPWndoWS8wc2thMEhvajh2Q0wzV0lEYkZ2U2JMY0hJNHVxNUZQ?=
 =?utf-8?B?Vi9seWFQUnA0RDNkRTlKd3Ywd1ZCRG5kdmFGSi8wMU9nSGQxNjdkdUd4NVYz?=
 =?utf-8?B?R3I1eG1NbmxFVEJROVZhdHI1aVgvTHcxR1dqNTFGUk1iSTJjOUNzbmNkR0FB?=
 =?utf-8?B?Qk1wSU9tVy93TUpVVlVXNWxVS0RvMjBSWmNWdkVaQkU0cGZYZXRhUkhFaHdR?=
 =?utf-8?B?UllRVUk2dTVIc0RRWlVvNFhBRzlFeFpZY3czSGdab3pZT3dRS0ZIRWJ4RERU?=
 =?utf-8?B?S0N0L2UyckV1M3YxKy9TMFg3WDJnMkc3UlJSTDUva1JzU1UycGMxSDkrMWFE?=
 =?utf-8?B?YktFdEt4bURSSzU0UHVZeTZEaHhCeC95MVVmR3lNNXVXVXQ0ZFFOcjkyNVRa?=
 =?utf-8?B?VmQzNFhNaUdJdFFPN3FqZkZLZmNwd1NIUmo0Z2VicVQxVDdoTVlpeFR4cTN0?=
 =?utf-8?B?SS9rSUZPQ2ptUzlmZnR5eTFMV1hybFJHbGJRTldXK0xkS2JNQ2EwcE9RYWdk?=
 =?utf-8?B?QkQvd2xKUzBzNCtubjNuaDJ0Wk5TQktBWTA0SVg4SkFyZkYzc0ZDd3FSNGZo?=
 =?utf-8?B?bGxNc0NRcy9ZMWlUc1hCTW05Q1ZoNW1xRk5VK3BINW1rZkxtYmdtbFJiemJS?=
 =?utf-8?B?SkloT0h3V2czcXRqbXJKWjhNc3M3U0liYzhZVTM2ano3dWJTYkFmQTFRVGJC?=
 =?utf-8?B?U252YWZHWTlpczJjUE1LUEdaeGszcTYvaFdaNnZwTHZURXhnSnZjYnh6UGQw?=
 =?utf-8?B?TGszMnJuenA2RG15dEZGakMyNkdqK3U4Vm5ZNHNhWUxLYVViRkdMZ0dJVE53?=
 =?utf-8?B?M04wbjhvdXJtQUR3eXNPVlBvazIwUFFZbHBCTXAzbG5zS2M1bXozR0dnM3J3?=
 =?utf-8?B?ckQyd0phU2Rlb3BhNUJKRUtkOWNacUNZTVNpbElHQWFKTk5uTjJhT1EwbCs4?=
 =?utf-8?B?eGc9PQ==?=
MIME-Version: 1.0
X-OriginatorOrg: prover.com
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-AuthSource: AS8PR08MB6936.eurprd08.prod.outlook.com
X-MS-Exchange-CrossTenant-Network-Message-Id: 63e67617-e0f9-459f-0450-08dad8646c06
X-MS-Exchange-CrossTenant-originalarrivaltime: 07 Dec 2022 15:05:04.6853 (UTC)
X-MS-Exchange-CrossTenant-fromentityheader: Hosted
X-MS-Exchange-CrossTenant-id: 496a88d8-7c6f-423f-95bd-eee3dc9aacfc
X-MS-Exchange-CrossTenant-mailboxtype: HOSTED
X-MS-Exchange-CrossTenant-userprincipalname: taxLLZY/+87dMHjl/dmGunURtRAFmWc/F9iQTGJfbfxYkQ7FFx9asT1LstWYCU9J+CkDbY+fByZGm/ITgDSXZBT/Go/MqafeGIY4kxbkgNA=
X-MS-Exchange-Transport-CrossTenantHeadersStamped: PR3PR08MB5867
X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00, DKIM_SIGNED,
 DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, RCVD_IN_DNSWL_NONE, SPF_HELO_PASS,
 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
X-BeenThere: cygwin AT cygwin DOT com
X-Mailman-Version: 2.1.29
List-Id: General Cygwin discussions and problem reports <cygwin.cygwin.com>
List-Archive: <https://cygwin.com/pipermail/cygwin/>
List-Post: <mailto:cygwin AT cygwin DOT com>
List-Help: <mailto:cygwin-request AT cygwin DOT com?subject=help>
List-Subscribe: <https://cygwin.com/mailman/listinfo/cygwin>,
 <mailto:cygwin-request AT cygwin DOT com?subject=subscribe>
From: Daniel Abrahamsson via Cygwin <cygwin AT cygwin DOT com>
Reply-To: Daniel Abrahamsson <daniel DOT abrahamsson AT prover DOT com>
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Sender: "Cygwin" <cygwin-bounces+archive-cygwin=delorie DOT com AT cygwin DOT com>

> On Dec  7 12:50, Corinna Vinschen via Cygwin wrote:
> > On Dec  7 08:58, Daniel Abrahamsson via Cygwin wrote:
> > > Hi,
> > > 
> > > This morning I updated cygwin, and after that gcc started producing errors like this:
> > > 
> > > >  gcc -Wall -Wextra -Werror -pedantic -Wno-unused-parameter -g -pg -DVERBOSE -c -o ../obj/<somefile>.o <somefile>.c
> > > > gcc -o ../bin/<mybin> ../obj/<somefile>.o -pg
> > > > /usr/lib/gcc/x86_64-pc-cygwin/11/../../../../x86_64-pc-cygwin/bin/ld: ../obj/<somefile>.o: in function `exit_eval_failure':
> > > /home/daab/dev/someproj/src/<somefile>.c:17: undefined reference to `__fentry__'
> > > 
> > > If I drop the "pg" flags from the compilation and linking stages, everything works.
> > > 
> > > I typically update cygwin packages once per week, but now it has been
> > > maybe a month since I last updated. As far as I can tell from the
> > > cygwin-announce archives, there has not been any gcc updates in that
> > > period, but I do note that cygwin itself has been updated. Could that
> > > be related?
> 
> > Thanks for the report.
> > 
> > This is a dumb bug I introduced into the build system in 3.4.0.  I fixed
> > that in the git repo, but the automated build of the matching test
> > release cygwin-3.5.0-0.17.g95f5b0a62036 is currently not building due to
> > some hiccup on cygwin.com.  I'll send a new mail as soon as this is
> > fixed and you can test it (provided you run at least Windows 8.1).
>
> Automated builds have been picked up again and the Cygwin test package
> 3.5.0-0.17.g95f5b0a62036 should be available later today.  You can
> install it using setup.exe, just like any other test release.
>
> Don't forget to install the matching cygwin-devel package, too, that's
> the one containing the library libgmon.a, which is what gets linked in
> with `gcc -pg'.

I can confirm 3.5.0-0.17.g95f5b0a62036 solves the issue with the "-pg" flag. Thank you!

Regards,
Daniel

-- 
Problem reports:      https://cygwin.com/problems.html
FAQ:                  https://cygwin.com/faq/
Documentation:        https://cygwin.com/docs.html
Unsubscribe info:     https://cygwin.com/ml/#unsubscribe-simple