From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754899AbbBKVKY (ORCPT ); Wed, 11 Feb 2015 16:10:24 -0500 Received: from mail.kernel.org ([198.145.29.136]:38990 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753558AbbBKVKU (ORCPT ); Wed, 11 Feb 2015 16:10:20 -0500 From: Arnaldo Carvalho de Melo To: Ingo Molnar Cc: linux-kernel@vger.kernel.org, Josh Boyer , Jiri Olsa , Peter Zijlstra , Vineet Gupta , Arnaldo Carvalho de Melo Subject: [PATCH 21/21] perf tools: Define _GNU_SOURCE on pthread_attr_setaffinity_np feature check Date: Wed, 11 Feb 2015 18:09:15 -0300 Message-Id: <1423688955-8094-22-git-send-email-acme@kernel.org> X-Mailer: git-send-email 1.9.3 In-Reply-To: <1423688955-8094-1-git-send-email-acme@kernel.org> References: <1423688955-8094-1-git-send-email-acme@kernel.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Josh Boyer The man page for pthread_attr_set_affinity_np states that _GNU_SOURCE must be defined before pthread.h is included in order to get the proper function declaration. Define this in the Makefile. Without this defined, the feature check fails on a Fedora system with gcc5 and then the perf build later fails with conflicting prototypes for the function. Signed-off-by: Josh Boyer Cc: Jiri Olsa Cc: Peter Zijlstra Cc: Vineet Gupta Link: http://lkml.kernel.org/r/20150211162404.GA15522@hansolo.redhat.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/config/feature-checks/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/perf/config/feature-checks/Makefile b/tools/perf/config/feature-checks/Makefile index 42ac05aaf8ac..b32ff3372514 100644 --- a/tools/perf/config/feature-checks/Makefile +++ b/tools/perf/config/feature-checks/Makefile @@ -49,7 +49,7 @@ test-hello.bin: $(BUILD) test-pthread-attr-setaffinity-np.bin: - $(BUILD) -Werror -lpthread + $(BUILD) -D_GNU_SOURCE -Werror -lpthread test-stackprotector-all.bin: $(BUILD) -Werror -fstack-protector-all -- 1.9.3