From: Andrew Dunstan <andrew@dunslane.net>
To: Craig Ringer <craig@2ndQuadrant.com>
Cc: Noah Misch <noah@leadboat.com>
Cc: Brar Piening <brar@gmx.de>
Cc: Heikki Linnakangas <hlinnakangas@vmware.com>
Cc: Magnus Hagander <magnus@hagander.net>
Cc: pgsql-hackers <pgsql-hackers@postgresql.org>
Subject: Re: Visual Studio 2012 RC
Date: Mon, 21 Jan 2013 07:44:48 -0500
Message-ID: <50FD3840.8010700@dunslane.net> (raw)
In-Reply-To: <50FD0B35.3020503@2ndQuadrant.com>
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On 01/21/2013 04:32 AM, Craig Ringer wrote:
> On 01/01/2013 10:54 AM, Noah Misch wrote:
>> On Mon, Oct 15, 2012 at 07:53:51AM -0400, Noah Misch wrote:
>>> The only matter still requiring attention is a fix for IsoLocaleName().
>> Following off-list coordination with Brar, I went about finishing up this
>> patch. The above problem proved deeper than expected. For Windows Vista,
>> Microsoft made RFC 4646 tags the preferred way to denote a locale in Windows.
>> Microsoft calls them "locale names". Starting with Visual Studio 2012,
>> setlocale() accepts locale names in addition to all the things it previously
>> accepted. One can now use things like "initdb --locale=zh-CN" and "CREATE
>> DATABASE foo LC_CTYPE = 'pl'". This meant updating win32_langinfo() and
>> find_matching_ts_config() to handle the new formats. In passing, I fixed an
>> unchecked malloc() in win32_langinfo().
>>
>> In addition to expanding the set of valid locale inputs, VS2012 changes the
>> (undocumented) content of _locale_t to hold locale names where it previously
>> held locale identifiers. I taught IsoLocaleName() to handle the new material.
>> I also sought to improve the comments on IsoLocaleName(); its significance was
>> not previously clear to me. This thread has some background:
>> http://archives.postgresql.org/message-id/4964B45E.5080003@hagander.net
>>
>> Though I'm not entirely sanguine about digging into the officially-opaque
>> _locale_t, we have been doing it that way for several years. None of the
>> alternatives are clearly-satisfying. In particular, I found no good way to
>> look up the code page corresponding to a locale name on pre-Vista systems.
>> The CRT itself handles this by translating locale names to locale identifiers
>> using a lookup table. The Gnulib "localename" and "setlocale" modules are
>> also interesting studies on the topic.
>>
>> In previous reviews, I missed the need to update pgwin32_putenv(). The
>> addition of VS2010 support had also missed it, so this catches up. That
>> function has other problems, but I will hold them for another patch.
>>
>> Tester warning: if you currently have some form of VS2010 installed, including
>> the compilers of Windows SDK 7.1, beware of this problem:
>> http://stackoverflow.com/questions/10888391/link-fatal-error-lnk1123-failure-during-conversion-to-co...
> FYI, you can properly fix this without uninstalling anything, giving
> you a system with a working VS 2012 as well as working SDK 7.1 / VS
> 2010 SP1 32-bit and 64-bit compilers.
>
> Install the tools in the following order:
>
> * VS Express 2010:
> http://www.microsoft.com/visualstudio/eng/products/visual-studio-2010-express
> * Windows SDK 7.1
> * VS 2010 SP1:
> http://www.microsoft.com/en-au/download/details.aspx?id=23691
> * VS 2010 SP1 Compiler Update:
> http://www.microsoft.com/en-au/download/details.aspx?id=4422
> * VS Express 2012
>
> Note that SDK 7.1 and VS 2010 will fail to install if you have a newer
> version of the Visual c++ 2010 runtime installed. Newer programs often
> install this for you. As a workaround, you must uninstall the newer
> runtime, install Visual Studio, the SDK, and service pack, then
> reinstall the newer runtime to get the programs that require it to
> work again.
>
> I've written more about both of these in the TROUBLESHOOTING section
> of https://github.com/2ndQuadrant/pg_build_win/blob/master/README.md
>
That's useful information, which should perhaps be put somewhere more
obvious for people to find, like the wiki.
I realise you're doing a lot of stuff, but you seem to be ahead of just
about everyone (including me and I suspect Magnus) on this, so maybe you
could take a peek at this patch?
cheers
andrew
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To: pgsql-hackers@postgresql.org
Cc: andrew@dunslane.net, craig@2ndQuadrant.com, noah@leadboat.com, brar@gmx.de, hlinnakangas@vmware.com, magnus@hagander.net
Subject: Re: Visual Studio 2012 RC
In-Reply-To: <50FD3840.8010700@dunslane.net>
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