From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-14.2 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 038E4C43387 for ; Tue, 18 Dec 2018 22:09:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C2231218AD for ; Tue, 18 Dec 2018 22:09:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1545170961; bh=l0OYjM4O6Xp/kVheLMavtMHL68+0mo9/qExujhfNxsg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=cpwIJUBdGg6iIM87BJxbXHrfwfFepXXaaCw3sLku7HDyaOrNkUc/R9Qn1iO6fdZhn VnFu0XGcuSvxFjWyNYQ43grKpUvwP2GB/JxA8IpKilE8AGt9VJtv+pKS8VhoIisXIL eY7Y41A3eczn/wleJgjRTFvEC22wYQs9W1slfnPo= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727954AbeLRWJU (ORCPT ); Tue, 18 Dec 2018 17:09:20 -0500 Received: from mail.kernel.org ([198.145.29.99]:37440 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727929AbeLRWJR (ORCPT ); Tue, 18 Dec 2018 17:09:17 -0500 Received: from quaco.ghostprotocols.net (unknown [189.40.101.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 54501217D9; Tue, 18 Dec 2018 22:09:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1545170957; bh=l0OYjM4O6Xp/kVheLMavtMHL68+0mo9/qExujhfNxsg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fdRmwWSCJhRfAw8nyX4ZvYRpmwG8OMCxvCXOwEHyxf7NQHNaRnN0k9mNulj0FwoOT TggOyXaAWXqD5J10oS9Q1R+QZxHCz6cwJi4kHy83kPFIVfD5xcTG7qFfAr++2aoH/2 aPHq0X3MR+k1VbnbFjpYWCWdT7UDaa8L2IDbvvsk= From: Arnaldo Carvalho de Melo To: Ingo Molnar Cc: Clark Williams , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Arnaldo Carvalho de Melo , Adrian Hunter , Jiri Olsa , Namhyung Kim Subject: [PATCH 16/63] perf tools: Add missing open_memstream() prototype for systems lacking it Date: Tue, 18 Dec 2018 19:06:46 -0300 Message-Id: <20181218220733.15839-17-acme@kernel.org> X-Mailer: git-send-email 2.19.2 In-Reply-To: <20181218220733.15839-1-acme@kernel.org> References: <20181218220733.15839-1-acme@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Arnaldo Carvalho de Melo There are systems such as the Android NDK API level 24 has the open_memstream() function but doesn't provide a prototype, adding noise to the build: builtin-timechart.c: In function 'cat_backtrace': builtin-timechart.c:486:2: warning: implicit declaration of function 'open_memstream' [-Wimplicit-function-declaration] FILE *f = open_memstream(&p, &p_len); ^ builtin-timechart.c:486:2: warning: nested extern declaration of 'open_memstream' [-Wnested-externs] builtin-timechart.c:486:12: warning: initialization makes pointer from integer without a cast FILE *f = open_memstream(&p, &p_len); ^ Define a LACKS_OPEN_MEMSTREAM_PROTOTYPE define so that code needing that can get a prototype. Checked in the bionic git repo to be available since level 23: https://android.googlesource.com/platform/bionic/+/master/libc/include/stdio.h#241 FILE* open_memstream(char** __ptr, size_t* __size_ptr) __INTRODUCED_IN(23); Cc: Adrian Hunter Cc: Jiri Olsa Cc: Namhyung Kim Link: https://lkml.kernel.org/n/tip-343ashae97e5bq6vizusyfno@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/Makefile.config | 1 + tools/perf/builtin-timechart.c | 4 ++++ 2 files changed, 5 insertions(+) diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config index 265a9225e5fc..07c1857c3d7a 100644 --- a/tools/perf/Makefile.config +++ b/tools/perf/Makefile.config @@ -295,6 +295,7 @@ ifndef NO_BIONIC ifeq ($(feature-bionic), 1) BIONIC := 1 CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE + CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE EXTLIBS := $(filter-out -lrt,$(EXTLIBS)) EXTLIBS := $(filter-out -lpthread,$(EXTLIBS)) endif diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c index a827919c6263..775b99833e51 100644 --- a/tools/perf/builtin-timechart.c +++ b/tools/perf/builtin-timechart.c @@ -43,6 +43,10 @@ #include "util/data.h" #include "util/debug.h" +#ifdef LACKS_OPEN_MEMSTREAM_PROTOTYPE +FILE *open_memstream(char **ptr, size_t *sizeloc); +#endif + #define SUPPORT_OLD_POWER_EVENTS 1 #define PWR_EVENT_EXIT -1 -- 2.19.2