From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
	id S1759174AbbCDMXo (ORCPT <rfc822;w@1wt.eu>);
	Wed, 4 Mar 2015 07:23:44 -0500
Received: from mail-pa0-f51.google.com ([209.85.220.51]:42082 "EHLO
	mail-pa0-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
	with ESMTP id S1756213AbbCDMXn (ORCPT
	<rfc822;linux-kernel@vger.kernel.org>);
	Wed, 4 Mar 2015 07:23:43 -0500
Date: Wed, 4 Mar 2015 21:23:01 +0900
From: Namhyung Kim <namhyung@kernel.org>
To: Jiri Olsa <jolsa@kernel.org>
Cc: linux-kernel@vger.kernel.org, Arnaldo Carvalho de Melo <acme@redhat.com>,
        Corey Ashford <cjashfor@linux.vnet.ibm.com>,
        David Ahern <david.ahern@oracle.com>, Ingo Molnar <mingo@kernel.org>,
        Paul Mackerras <paulus@samba.org>,
        Peter Zijlstra <peterz@infradead.org>
Subject: Re: [PATCH 12/14] tools build: Allow to override feature checks setup
Message-ID: <20150304122301.GJ27046@danjae>
References: <1425392797-22572-1-git-send-email-jolsa@kernel.org>
 <1425392797-22572-13-git-send-email-jolsa@kernel.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Disposition: inline
In-Reply-To: <1425392797-22572-13-git-send-email-jolsa@kernel.org>
User-Agent: Mutt/1.5.23 (2014-03-12)
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On Tue, Mar 03, 2015 at 03:26:35PM +0100, Jiri Olsa wrote:
> diff --git a/tools/build/tests/features/Makefile b/tools/build/tests/features/Makefile
> new file mode 100644
> index 000000000000..31782a1d3758
> --- /dev/null
> +++ b/tools/build/tests/features/Makefile
> @@ -0,0 +1,23 @@
> +all: test1
> +
> +test1:
> +	rm -f FEATURE-DUMP
> +	make -f Makefile.test1 > out
> +	# we should get one line with 'glibc' feature status
> +	features=`cat out | grep '\.\.\.' | wc -l`; \

It seems this `cat | grep | wc -l` pipeline can be replaced with a
single `grep -cF ... out` command.

Thanks,
Namhyung


> +	if [ "$$features" != "1" ]; then echo FAILED; exit 1; fi
> +	# we should NOT get any feature status line on second run
> +	make -f Makefile.test1 > out
> +	features=`cat out | grep '\.\.\.' | wc -l`; \
> +	if [ "$$features" == "1" ]; then echo FAILED; exit 1; fi
> +	# we should get both 'glibc' and 'backtrace' status lines now
> +	make -f Makefile.test1 VF=1 > out
> +	features=`cat out | grep '\.\.\.' | wc -l`; \
> +	if [ "$$features" != "2" ]; then echo FAILED; exit 1; fi
> +	# and fresh start without FEATURE-DUMP, expecting 'glibc' status line
> +	rm -f FEATURE-DUMP
> +	make -f Makefile.test1 > out
> +	features=`cat out | grep '\.\.\.' | wc -l`; \
> +	if [ "$$features" != "1" ]; then echo FAILED; exit 1; fi
> +	# cleanup
> +	rm -f FEATURE-DUMP out