From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751168AbdBLCrK (ORCPT ); Sat, 11 Feb 2017 21:47:10 -0500 Received: from mail-pg0-f68.google.com ([74.125.83.68]:33383 "EHLO mail-pg0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751076AbdBLCrJ (ORCPT ); Sat, 11 Feb 2017 21:47:09 -0500 Date: Sun, 12 Feb 2017 10:46:55 +0800 From: Wang YanQing To: acme@kernel.org Cc: jolsa@kernel.org, mingo@kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] tools:perf:scripting-engines: Fix compile error with some perl5 versions Message-ID: <20170212024655.GA15997@udknight> Mail-Followup-To: Wang YanQing , acme@kernel.org, jolsa@kernel.org, mingo@kernel.org, linux-kernel@vger.kernel.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.7.1 (2016-10-04) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Fix below compile error: CC util/scripting-engines/trace-event-perl.o In file included from /usr/lib/perl5/5.22.2/i686-linux/CORE/perl.h:5673:0, from util/scripting-engines/trace-event-perl.c:31: /usr/lib/perl5/5.22.2/i686-linux/CORE/inline.h: In function 'S__is_utf8_char_slow': /usr/lib/perl5/5.22.2/i686-linux/CORE/inline.h:270:5: error: nested extern declaration of 'Perl___notused' [-Werror=nested-externs] dTHX; /* The function called below requires thread context */ ^ cc1: all warnings being treated as errors After digging perl5 repository, I find out that we will meet this compile error with perl from v5.21.1 to v5.25.4 Signed-off-by: Wang YanQing --- tools/perf/util/scripting-engines/Build | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/perf/util/scripting-engines/Build b/tools/perf/util/scripting-engines/Build index 6516e22..82d28c6 100644 --- a/tools/perf/util/scripting-engines/Build +++ b/tools/perf/util/scripting-engines/Build @@ -1,6 +1,6 @@ libperf-$(CONFIG_LIBPERL) += trace-event-perl.o libperf-$(CONFIG_LIBPYTHON) += trace-event-python.o -CFLAGS_trace-event-perl.o += $(PERL_EMBED_CCOPTS) -Wno-redundant-decls -Wno-strict-prototypes -Wno-unused-parameter -Wno-shadow -Wno-undef -Wno-switch-default +CFLAGS_trace-event-perl.o += $(PERL_EMBED_CCOPTS) -Wno-redundant-decls -Wno-strict-prototypes -Wno-unused-parameter -Wno-shadow -Wno-nested-externs -Wno-undef -Wno-switch-default CFLAGS_trace-event-python.o += $(PYTHON_EMBED_CCOPTS) -Wno-redundant-decls -Wno-strict-prototypes -Wno-unused-parameter -Wno-shadow -- 1.8.5.6.2.g3d8a54e.dirty