From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933738AbcIVPA1 (ORCPT ); Thu, 22 Sep 2016 11:00:27 -0400 Received: from mx1.redhat.com ([209.132.183.28]:48852 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755495AbcIVPA0 (ORCPT ); Thu, 22 Sep 2016 11:00:26 -0400 Date: Thu, 22 Sep 2016 17:00:22 +0200 From: Jiri Olsa To: Arnaldo Carvalho de Melo Cc: Arnaldo Carvalho de Melo , Sukadev Bhattiprolu , peterz@infradead.org, maddy@linux.vnet.ibm.com, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v21 00/20] perf, tools: Add support for PMU events in JSON format Message-ID: <20160922150022.GA20134@krava> References: <1473978296-20712-1-git-send-email-sukadev@linux.vnet.ibm.com> <20160919212017.GA11991@kernel.org> <20160919233113.GB11991@kernel.org> <20160919233753.GC11991@kernel.org> <20160920000258.GD11991@kernel.org> <20160920002820.GE11991@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160920002820.GE11991@kernel.org> User-Agent: Mutt/1.7.0 (2016-08-17) X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Thu, 22 Sep 2016 15:00:25 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Sep 19, 2016 at 09:28:20PM -0300, Arnaldo Carvalho de Melo wrote: > Em Mon, Sep 19, 2016 at 09:02:58PM -0300, Arnaldo Carvalho de Melo escreveu: > > Em Mon, Sep 19, 2016 at 08:37:53PM -0300, Arnaldo Carvalho de Melo escreveu: > > > yeah, changing that typedef + true def to plain include > > > makes it progress to the next failure, which is in cross compilation > > > environments, such as using fedora 24 + the Android NDK to try to build > > > a ARM android binary. > > > 14 fedora:24-x-ARC-uClibc: FAIL > > GEN /tmp/build/perf/pmu-events/pmu-events.c > > /bin/sh: /tmp/build/perf/pmu-events/jevents: cannot execute binary file: Exec format error > > pmu-events/Build:11: recipe for target '/tmp/build/perf/pmu-events/pmu-events.c' failed > > make[2]: *** [/tmp/build/perf/pmu-events/pmu-events.c] Error 126 > > Makefile.perf:461: recipe for target '/tmp/build/perf/pmu-events/pmu-events-in.o' failed > > make[1]: *** [/tmp/build/perf/pmu-events/pmu-events-in.o] Error 2 > > make[1]: *** Waiting for unfinished jobs.... > > Jiri, we need something similar to scripts/Makefile.host :-\ > > Calling it a day, perhaps, for now, we should just detect that it is a > corss compile env (CROSS_COMPILE is set) and exclude all this code from > the build, emitting a warning. > > I left what I did at the tmp.perf/core branch of my repo at > git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux.git. as discussed on irc we will disable it for cross builds now, because we dont have good solution at the moment.. it's similar case as for fixdep tool: 3a70fcd3a4db tools build: Fix cross compile build ... We need to add support for host side tools build, meanwhile disabling fixdep usage for cross arch builds. I'll make a change to disable this for crossbuild and work on common solution later thanks, jirka