linux-kernel - Re: [PATCH] perf tools: Add reject option for parse-events.l

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Date:   Thu, 9 Nov 2017 10:51:20 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Markus Trippelsdorf <markus@...ppelsdorf.de>
Cc:     Jiri Olsa <jolsa@...hat.com>, Ingo Molnar <mingo@...nel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        linux-kernel@...r.kernel.org,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        Arnaldo Carvalho de Melo <acme@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Jiri Olsa <jolsa@...nel.org>, Andi Kleen <ak@...ux.intel.com>
Subject: Re: [PATCH] perf tools: Add reject option for parse-events.l

Em Thu, Nov 09, 2017 at 02:27:19PM +0100, Markus Trippelsdorf escreveu:
> On 2017.11.09 at 10:22 -0300, Arnaldo Carvalho de Melo wrote:
> > Em Thu, Nov 09, 2017 at 09:17:49AM +0100, Jiri Olsa escreveu:
> > > Reply-To: 
> > > In-Reply-To: <20171109081319.GB236@x4>
> > > 
> > > On Thu, Nov 09, 2017 at 09:13:19AM +0100, Markus Trippelsdorf wrote:
> > > > On 2017.11.05 at 15:40 +0100, Ingo Molnar wrote:
> > > > util/parse-events.l:343:26: note: in expansion of macro ‘USER_REJECT’
> > > >  {bpf_source}  { if (!isbpf(yyscanner)) USER_REJECT; return str(yyscanner, PE_BPF_SOURCE); }
> > > >                           ^~~~~~~~~~~
> > > > mv: cannot stat 'util/.parse-events-flex.o.tmp': No such file or directory
> > > 
> > > sry, we have a fix in queue already
> > 
> > yeah, I noticed it while building for Alpine Linux 3.6 and Edge, that
> > have flex 2.6.4, which is newer than what is in the other distros,
> > ubuntu, debian, fedora, even their experimental ones (rawhide, etc),
> > out of curiosity, what distro do you use and what flex version does it
> > use?
> 
> In my case: Gentoo and flex-2.6.4.

Cool, and a coincidence, as I'm trying to setup a container for gentoo,
using as a start docker.io/gentoo/stage3-amd64, now trying to figure out
how to config repositories, portage and all that stuff...

And with http://wiki.osdev.org/GCC_Cross-Compiler help I'll try to have
a few more using crossdev to cover some more targets besides the ones I
cover using cross build environments using fedora, ubuntu and debian as
host environments :-)

- Arnaldo