From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Po Lu via "Bug reports for GNU Emacs, the Swiss army knife of text editors" Newsgroups: gmane.emacs.bugs Subject: bug#61960: 30.0.50; Unexec build reliably crashes during loadup Date: Mon, 13 Mar 2023 07:49:03 +0800 Message-ID: <87jzzla5u8.fsf@yahoo.com> References: <62049aa9ffcf9f39fd423fb87cd8dc8e0b77f9b8.camel@yandex.ru> <7a6e37ed07a49a85a51c8a3a40cadc2b752a38ef.camel@yandex.ru> <83o7p57mz1.fsf@gnu.org> <83jzzs60g1.fsf@gnu.org> <87edpveoq7.fsf@yahoo.com> Reply-To: Po Lu Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="26497"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Cc: Eli Zaretskii , 61960@debbugs.gnu.org, hi-angel@yandex.ru To: Andrea Corallo Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Mon Mar 13 00:50:19 2023 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1pbVSF-0006fx-8j for geb-bug-gnu-emacs@m.gmane-mx.org; 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Hermes SMTP Server) with ESMTPA ID 9ba1c6d7c12b1b1c398280d4854f5cde; Sun, 12 Mar 2023 23:49:07 +0000 (UTC) In-Reply-To: (Andrea Corallo's message of "Sun, 12 Mar 2023 09:23:21 +0000") X-Mailer: WebService/1.1.21284 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:257885 Archived-At: Andrea Corallo writes: > Po Lu writes: > >> Eli Zaretskii writes: >> >>>> From: Andrea Corallo >>>> Cc: 61960@debbugs.gnu.org, hi-angel@yandex.ru >>>> Date: Tue, 07 Mar 2023 14:59:24 +0000 >>>> >>>> > if test "${with_native_compilation}" != "no"; then >>>> > if test "${HAVE_PDUMPER}" = no; then >>>> > AC_MSG_ERROR(['--with-native-compilation' requires '--with-dumping=pdumper']) >>>> > fi >>>> >>>> So IIUC we can compile emacs with both unexec and pdumper support, they >>>> are not mutually exclusive, and we can specify which one to use for the >>>> first dump with --with-dumping. >>>> >>>> So yeah I think we have to prevent native compilation to be compiled >>>> with unexec support, even if it's not the way Emacs is dumped the first >>>> time. >>> >>> OK, then a simple change to the above condition (and maybe a slight >>> change in the message wording as well) should achieve that, right? >> >> Emacs can't be built with both unexec and pdumper dumping, and configure >> doesn't let you do that. So what we have is fine. > > On emacs 29 > > configure --without-x --with-native-compilation --with-unexec=yes --with-pdumper=yes > > does succeed so I don't think it is fine. What is the resulting config.h? The quality of configure's error reporting has gone down in the past several years. --with-unexec is silently ignored if you specify --with-pdumper.