Duplicate OPT_ entries in gcc/options.h

[Dimitry Andric]

On 09 Jun 2016, at 00:30, Jung-uk Kim <jkim at FreeBSD.org> wrote:
> 
> On 06/ 8/16 06:16 PM, Dimitry Andric wrote:
>> On 08 Jun 2016, at 23:54, Jung-uk Kim <jkim at FreeBSD.org> wrote:
>>> 
>>> On 06/ 8/16 05:15 PM, Dimitry Andric wrote:
>>>> On 08 Jun 2016, at 21:11, Gerald Pfeifer <gerald at pfeifer.com> wrote:
>>>>> 
>>>>> I got a user report, and could reproduce this, that building
>>>>> GCC (lang/gcc, but also current HEAD, so probably pretty much
>>>>> any version) with FreeBSD 11 and LANG = en_US.UTF-8 we get
>>>>> conflicting entires in $BUILDDIR/gcc/options.h such as
>> ...
>>>> Note that GNU awk does *not* produce a different optionlist file when
>>>> used with either LANG=C or LANG=en_US.UTF-8.
>> ...
>>>> So I am assuming that the ARRAY[j-1] > ARRAY[j] comparison works
>>>> differently in our awk, depending on the LANG settings.  No idea when
>>>> that changed, though, if it changed at all...
>>> 
>>> This behaviour is known for very long time:
>>> 
>>> https://svnweb.freebsd.org/changeset/base/173731
>>> 
>>> and it is not our fault:
>>> 
>>> https://www.gnu.org/software/gawk/manual/html_node/POSIX-String-Comparison.html
>> 
>> 
>> Indeed, so the real question is: why does this only started coming up
>> now, if it is known since 2007?  I have been building gcc ports for
>> ages, and never ran into this problem, but I also have never actively
>> used a persistent LANG environment variable, let alone with UTF-8 in it.
>> 
>> Is this because more people started using UTF-8 recently?
> 
> We are doing more correct collation now:
> 
> https://svnweb.freebsd.org/changeset/base/290494

Indeed.  This problem has come up before on the ports mailing list,
almost immediately after that commit:

https://lists.freebsd.org/pipermail/freebsd-ports/2015-November/101034.html

Apparently some proposals were made to set LANG and LC_ALL to C globally
for port builds, but it was never implemented?

I guess more people are now noticing it, because they are trying out the
11.0-ALPHA installers.

-Dimitry

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