linux-kernel - Re: [PATCH] Makefile: do not override LC

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Message-ID: <4B47CACA.7080103@zytor.com>
Date:	Fri, 08 Jan 2010 16:16:10 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Masami Hiramatsu <mhiramat@...hat.com>
CC:	Michal Marek <mmarek@...e.cz>, Simon Horman <horms@...ge.net.au>,
	Roland Dreier <rdreier@...co.com>,
	Sam Ravnborg <sam@...nborg.org>,
	Sergei Trofimovich <slyfox@...ox.ru>,
	linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-sh@...r.kernel.org
Subject: Re: [PATCH] Makefile: do not override LC_CTYPE

On 01/08/2010 04:09 PM, Masami Hiramatsu wrote:
> Hi Michal,
> 
> Michal Marek wrote:
>> Setting LC_CTYPE=C breaks localized messages in some setups. With only
>> LC_COLLATE=C and LC_NUMERIC=C, we get almost all we need, except for not
>> so defined character classes and tolower()/toupper(). The former is not
>> a big issue, because we can assume that e.g. [:alpha:] will always
>> include a-zA-Z and we only ever process ASCII input. The latter seems
>> only affect arch/sh/tools/gen-mach-types, which we can handle separately.
> 
> Hmm, this also affects arch/x/tools/gen-insn-attr-x86.awk.
> Could you also wrap it?
> 

This is tolower/toupper()?  Do there exist locales where tolower/toupper
on ASCII input do weird things, or are we merely hypothesizing?

	-hpa



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