linux-kernel - Re: [patch] perf: Fix build failure on OpenSuse userspace

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Message-ID: <20120504145245.GA9210@kroah.com>
Date:	Fri, 4 May 2012 07:52:45 -0700
From:	Greg KH <gregkh@...uxfoundation.org>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	Arnaud Lacombe <lacombar@...il.com>,
	David Miller <davem@...emloft.net>, namhyung.kim@....com,
	a.p.zijlstra@...llo.nl, paulus@...ba.org, mingo@...hat.com,
	acme@...stprotocols.net, jolsa@...hat.com,
	linux-kernel@...r.kernel.org
Subject: Re: [patch] perf: Fix build failure on OpenSuse userspace

On Fri, May 04, 2012 at 09:09:28AM +0200, Ingo Molnar wrote:
> Does the (untested) patch below help?

No :(

> If not then please paste me the build failure output (it will 
> most likely change due to the patch), and until we fix this 
> build regression on OpenSuse userspace you can work it around 
> via:

Here's the error, it looks identical to what I previously had:

    CC perf.o
    CC util/parse-events-flex.o
<stdout>: In function ‘yy_get_next_buffer’:
<stdout>:1510:3: error: comparison between signed and unsigned integer expressions [-Werror=sign-compare]
util/parse-events.l: In function ‘parse_events_lex’:
util/parse-events.l:122:1: error: ignoring return value of ‘fwrite’, declared with attribute warn_unused_result [-Werror=unused-result]
cc1: all warnings being treated as errors

>   make WERROR=0

Thanks, that works for me for now, but obviously, not a real solution :)

greg k-h
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