linux-kernel - Re: [ERROR] perf build failure on current tip:perf/core

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Message-ID: <20120108150012.GA7570@elte.hu>
Date:	Sun, 8 Jan 2012 16:00:12 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Namhyung Kim <namhyung@...il.com>
Cc:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>, linux-kernel@...r.kernel.org
Subject: Re: [ERROR] perf build failure on current tip:perf/core


* Namhyung Kim <namhyung@...il.com> wrote:

> Putting the debug lines told me __USE_UNIX98 is not defined 
> for the file. It's because ctype.h gets included without 
> _GNU_SOURCE and then it includes feature.h AFAICS. 
> Encompassing ctype.h with #define/#undef _GNU_SOURCE or just 
> adding __USE_UNIX98 before unistd.h makes the file compiled, 
> but it seems like an improper solution. What is the right way?

Could you just remove the ctype.h include? AFAICS it's not 
needed in that file.

Thanks,

	Ingo
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