From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755441Ab2DNLlh (ORCPT ); Sat, 14 Apr 2012 07:41:37 -0400 Received: from mail-wg0-f44.google.com ([74.125.82.44]:60039 "EHLO mail-wg0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754952Ab2DNLlf (ORCPT ); Sat, 14 Apr 2012 07:41:35 -0400 Date: Sat, 14 Apr 2012 13:41:29 +0200 From: Ingo Molnar To: hpa@zytor.com, paulus@samba.org, linux-kernel@vger.kernel.org, acme@redhat.com, a.p.zijlstra@chello.nl, jolsa@redhat.com, fweisbec@gmail.com, tglx@linutronix.de, cjashfor@linux.vnet.ibm.com, mingo@elte.hu Cc: linux-tip-commits@vger.kernel.org Subject: Re: [tip:perf/core] perf tools: Fix parsers' rules to dependencies Message-ID: <20120414114129.GF24688@gmail.com> References: <1334140791-3024-1-git-send-email-jolsa@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * tip-bot for Jiri Olsa wrote: > Commit-ID: 024e6c9747bb274c9d744ad52a987a0ebec528a6 > Gitweb: http://git.kernel.org/tip/024e6c9747bb274c9d744ad52a987a0ebec528a6 > Author: Jiri Olsa > AuthorDate: Wed, 11 Apr 2012 12:39:51 +0200 > Committer: Arnaldo Carvalho de Melo > CommitDate: Wed, 11 Apr 2012 16:57:09 -0300 > > perf tools: Fix parsers' rules to dependencies > > Currently the parsers objects (bison/flex related) are each time perf > is built. No matter the generated files are already in place, the > parser generation is executed every time. > > Changing the rules to have proper flex/bison objects generation > dependencies. > > The parsers code is not rebuilt until the flex/bison source files > are touched. Also when flex/bison source is changed, only dependent > objects are rebuilt. Hm, can I cherry-pick this over into perf/urgent? I see no good reason why we should leave the v3.4 version half-broken. Thanks, Ingo