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Date: Fri, 08 Jan 2010 16:16:10 -0800
From: "H. Peter Anvin" <hpa@zytor.com>
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Subject: Re: [PATCH] Makefile: do not override LC_CTYPE
References: <20100108115745.GA14758@sepie.suse.cz> <1262952988-16563-1-git-send-email-mmarek@suse.cz> <4B47C94E.8070302@redhat.com>
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To: Masami Hiramatsu <mhiramat@redhat.com>
Cc: Michal Marek <mmarek@suse.cz>, Simon Horman <horms@verge.net.au>, Roland Dreier <rdreier@cisco.com>, Sam Ravnborg <sam@ravnborg.org>, Sergei Trofimovich <slyfox@inbox.ru>, linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org, linux-sh@vger.kernel.org

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