From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Florian Weimer Newsgroups: gmane.lisp.guile.bugs Subject: bug#60022: configure.ac fix for C99 compatibility Date: Mon, 12 Dec 2022 22:35:33 +0100 Message-ID: <874ju0paoq.fsf@oldenburg.str.redhat.com> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="13759"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.1 (gnu/linux) To: 60022@debbugs.gnu.org Original-X-From: bug-guile-bounces+guile-bugs=m.gmane-mx.org@gnu.org Mon Dec 12 22:36:48 2022 Return-path: Envelope-to: guile-bugs@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 1p4qTf-0003NQ-NK for guile-bugs@m.gmane-mx.org; Mon, 12 Dec 2022 22:36:47 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1p4qSy-0006OX-Rp; 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Mon, 12 Dec 2022 21:35:39 +0000 (UTC) Original-Received: from oldenburg.str.redhat.com (unknown [10.2.16.81]) by smtp.corp.redhat.com (Postfix) with ESMTPS id C83B82166B26 for ; Mon, 12 Dec 2022 21:35:38 +0000 (UTC) X-Scanned-By: MIMEDefang 3.1 on 10.11.54.6 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=170.10.133.124; envelope-from=fweimer@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-guile@gnu.org List-Id: "Bug reports for GUILE, GNU's Ubiquitous Extension Language" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-guile-bounces+guile-bugs=m.gmane-mx.org@gnu.org Original-Sender: bug-guile-bounces+guile-bugs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.lisp.guile.bugs:10471 Archived-At: This patch is needed to improve C99 compatibility: diff --git a/configure.ac b/configure.ac index b3879df1f..cc865a028 100644 --- a/configure.ac +++ b/configure.ac @@ -904,7 +904,7 @@ AC_CACHE_VAL(guile_cv_localtime_cache, AC_RUN_IFELSE([AC_LANG_SOURCE([[#include #include extern char **environ; -unset_TZ () +int unset_TZ () { char **from, **to; for (to = from = environ; (*to = *from); from++) @@ -913,7 +913,7 @@ unset_TZ () } char TZ_GMT0[] = "TZ=GMT0"; char TZ_PST8[] = "TZ=PST8"; -main() +int main() { time_t now = time ((time_t *) 0); int hour_GMT0, hour_unset; Future compilers are likely to reject implicit int types by default. Found via: Thanks, Florian