From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 26028 invoked by alias); 31 Jan 2015 05:57:27 -0000 Mailing-List: contact gcc-patches-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-patches-owner@gcc.gnu.org Received: (qmail 26019 invoked by uid 89); 31 Jan 2015 05:57:27 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.7 required=5.0 tests=AWL,BAYES_00,SPF_PASS,UNPARSEABLE_RELAY autolearn=ham version=3.3.2 X-HELO: out1134-233.mail.aliyun.com Received: from out1134-233.mail.aliyun.com (HELO out1134-233.mail.aliyun.com) (42.120.134.233) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Sat, 31 Jan 2015 05:57:25 +0000 X-Alimail-AntiSpam:AC=CONTINUE;BC=0.4906037|-1;FP=2700793619260804250|1|1|4|0|-1|-1|-1;HT=r41f05020;MF=gang.chen@sunrus.com.cn;PH=DS;RN=5;RT=5;SR=0; Received: from ShengShiZhuChengdeMacBook-Pro.local(mailfrom:gang.chen@sunrus.com.cn ip:223.72.65.1) by smtp.aliyun-inc.com(10.194.100.108); Sat, 31 Jan 2015 13:57:08 +0800 Message-ID: <54CC7085.1080805@sunrus.com.cn> Date: Sat, 31 Jan 2015 11:33:00 -0000 From: Chen Gang S User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:31.0) Gecko/20100101 Thunderbird/31.4.0 MIME-Version: 1.0 To: ian@airs.com, Jakub Jelinek CC: "walt@tilera.com" , Jeff Law , gcc-patches List Subject: [PATCH v2] libgcc: Use braces instead of macro's empty body to avoid xgcc warnings. Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-SW-Source: 2015-01/txt/msg02793.txt.bz2 The related warning (cross compile tile with --disable-threads): ../../../../gcc-tile-new/libgcc/libgcov-interface.c: In function '__gcov_fork': ../../../../gcc-tile-new/libgcc/libgcov-interface.c:182:53: warning: suggest braces around empty body in an 'if' statement [-Wempty-body] __GTHREAD_MUTEX_INIT_FUNCTION (&__gcov_flush_mx); ^ 2015-01-31 Chen Gang * gthr-single.h (__GTHREAD_MUTEX_INIT_FUNCTION): Use braces instead of macro's empty body to avoid xgcc warnings. --- libgcc/gthr-single.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libgcc/gthr-single.h b/libgcc/gthr-single.h index f084fe2..01366f53 100644 --- a/libgcc/gthr-single.h +++ b/libgcc/gthr-single.h @@ -35,7 +35,7 @@ typedef int __gthread_recursive_mutex_t; #define __GTHREAD_ONCE_INIT 0 #define __GTHREAD_MUTEX_INIT 0 -#define __GTHREAD_MUTEX_INIT_FUNCTION(mx) +#define __GTHREAD_MUTEX_INIT_FUNCTION(mx) do {} while (0) #define __GTHREAD_RECURSIVE_MUTEX_INIT 0 #define UNUSED __attribute__((unused)) -- 1.9.3