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Date: Sat, 17 Sep 2011 17:49:54 -0400
From: Ken Brown <kbrown AT cornell DOT edu>
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To: cygwin AT cygwin DOT com
Subject: Re: cygwin started speaking German today
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On 9/17/2011 4:40 PM, David Sastre wrote:
> On Tue, Sep 13, 2011 at 09:45:37AM -0600, Eric Blake wrote:
>> On 09/09/2011 08:59 AM, Corinna Vinschen wrote:
>>> On Sep  9 13:33, Andy Koppe wrote:
>>>> The 'C.UTF-8' default locale is not a bug, it was a deliberate design decision.
>>>
>>> Exactly.  And it has been discussed a lot on the cygwin-apps mailing
>>> list.
>>>
>>> And above all, there *is* an official way for the user to align the
>>> Cygwin locale with the Windows locale, see the -s and -u options
>>> of the locale(1) command:
>>>
>>>    http://cygwin.com/cygwin-ug-net/using-utils.html#locale
>>
>> On 09/09/2011 09:09 AM, Corinna Vinschen wrote:
>>>> OK, then the following four facilities are needed in Cygwin.
>>>>
>>>> 1) We need the name of the locale which is in effect when the user has
>>>>      not specified environment variables.
>>>
>>> In Fedora, for instance, the fallback is what is set as system default
>>> in /etc/sysconfig/i18n.
>>>
>>> In Cygwin the fallback is the system default set in
>> /etc/profile.d/lang.sh
>>> or /etc/profile.d/lang.csh.
>>>
>>> Why should libintl use anything else on Cygwin, but not on Linux?
>>>
>>
>> Given this, I think the bug is in cygwin for having base files
>> /etc/profile.d/lang.{sh,csh} which hardcode LANG to C.UTF-8 instead
>> of using locale -s -u to default LANG to the preferred Windows
>> settings. Libintl should NOT be second-guessing an explicit setting
>> of LANG, but cygwin should NOT be explicitly setting LANG to C.UTF-8
>> in its default startup scripts without any regards to the Windows
>> settings.  Whether setlocale(LC_ALL,"") returns C.UTF-8 or a
>> Windows-appropriate string _when LANG is undefined_ is still worth
>> solving, but right now, an out-of-the-box cygwin installation
>> _always has LANG defined_ by the default startup scripts.  So our
>> first focus should be to get that setting of LANG fixed to honor
>> Windows, and to teach libintl that when LANG is set we really meant
>> it.
>
> WRT the base-files package, would it be acceptable/does it make sense to set:
>
> test -z "${LC_ALL:-${LC_CTYPE:-$LANG}}"&&  export LANG=${locale -sU}
>
> in /etc/profile.d/lang.sh and
>
> if ( $?LC_ALL == 0&&  $?LC_CTYPE == 0&&  $?LANG == 0 ) setenv LANG = `locale -sU`
>
> in /etc/profile.d/lang.csh, both as proposed, _and_ a (possibly) commented-out
>
> test -z "${LC_ALL:-${LC_CTYPE:-$LANG}}"&&  export LANG=${locale -uU}
>
> in the skeletal .bash_profile and .profile (i.e. both system-wide and
> user defined settings)?

If you want the user-defined setting to take effect, wouldn't you have 
to omit the `test -z ...'?  LANG will already be set when .bash_profile 
is processed.

Ken


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