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From:	Lee <ler762 AT gmail DOT com>
Date:	Wed, 9 Jan 2019 19:07:47 -0500
Message-ID:	<CAD8GWst3657zmrgRQhc4+4Vj3uR0YYfeUnaxVTLZ51GNJ-jXVw@mail.gmail.com>
Subject:	Re: i686-w64-mingw32-gcc: LC_MESSAGES
To:	cygwin AT cygwin DOT com
X-IsSubscribed:	yes

On 1/9/19, Brian Inglis  wrote:
>
> On 2019-01-09 12:43, Lee wrote:
>> On 1/9/19, Douglas Coup  wrote:
>>>
>>> On 1/9/2019 1:14 PM, Lee wrote:
>>>> On 1/9/19, JonY  wrote:
>>>>> On 1/8/19 9:26 PM, Lee wrote:
>>>>>> http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/locale.h.html
>>>>>> has a note for LC_MESSAGES:
>>>>>> The functionality described is an extension to the ISO C standard.
>>>>>> Application developers may make use of an extension as it is
>>>>>> supported on all POSIX.1-2017-conforming systems.
>>>>>> i686-w64-mingw32-gcc doesn't have LC_MESSAGES defined.
>>>>>> Is that an oversight, something missing in windows, or .. ??
>>>>> Windows MSVCR isn't POSIX nor ISO C compliant, so you shouldn't be
>>>>> referring to opengroups, only against MSDN.
>>>> What's a Windows MSVCR?
>>>> Since the same program compiled with cygwins' gcc has LC_MESSAGES
>>>> defined, I was guessing it was just a library thing and maybe it just
>>>> hadn't been implemented in the mingw libraries yet.. but it sounds
>>>> like it's not an oversight & Microsoft needs to support LC_MESSAGES
>>>> before i686-w64-mingw32-gcc will.  Is that about right?
>>> MSVCR = MicroSoft Visual C Run-time (I think)
>> Meaning i686-w64-mingw32-gcc uses the Microsoft libraries vs. cygwin
>> gcc using posix compliant libraries?  Implying LC_MESSAGES not being
>> defined is yet another instance of Microsoft not following accepted
>> standards?
>> The background for my question is
>> https://github.com/htacg/tidy-html5/issues/770
>> Tidy removed the setlocale call from the library init function, so if
>> users want a specific locale/language they're going to have to set it
>> up themselves.
>> I'd like to update the tidylib example code showing how to set the
>> language, but
>>   setlocale(LC_ALL, "");
>>   tidySetLanguage( setlocale(LC_MESSAGES, NULL) );
>> probably isn't a good example if LC_MESSAGES is missing on some systems.
>
> You have to convert your messages to Windows message resources in your
> build, then link and package Windows message resources with non-POSIX
> compliant exes, or add a POSIX message implementation to your exes.

I'm just trying to come up with example code for how to set the locale
& language in the tidylib documentation; thankfully, me building a
native windows version of tidy isn't the goal..  I was just trying out
code that worked under cygwin & was a bit surprised it wouldn't even
compile for windows.  But it seems to be a windows limitation, so
[snip snarky comment]

Regards,
Lee

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