r193934 - Default to use libc++ on OS X 10.9+ and iOS 7+.

[Justin Bogner]

Timur Iskhodzhanov <timurrrr at google.com> writes:
> 2014-02-04 Justin Bogner <mail at justinbogner.com>:
>> I'm assuming you have libcxx checked out in projects/ of the LLVM
>> repository.
>
> No, I don't think so.
> This isn't documented, right?

I think this is what Nico was suggesting to document, yes. Check out the
libcxx repository under projects/ and it should build along with clang,
then you don't need to rely on locally installed headers.

>> Is this clang 3.4 or ToT? The cmake build installed the libc++ headers
>> in a different directory (lib/) than clang looked for them in (include/)
>> before r194834.
>
> I'm on ToT.
>
>> Timur Iskhodzhanov <timurrrr at google.com> writes:
>>> Please see
>>> http://llvm.org/bugs/show_bug.cgi?id=17821#c7>>
>>> I don't know what to write in a patch as I can't get a build
>>> working for me yet.
>>> That means either
>>> a) something's broken
>>> b) something's not documented well
>>> c) I missed some important how-to announcement regarding building on
>>> 10.9 with Xcode 5
>>>
>>> 2014-02-04 Bob Wilson <bob.wilson at apple.com>:
>>>> Would you like to contribute a patch to clarify that documentation?
>>>> I’m not sure what you’re asking for here.
>>>>
>>>> On Feb 4, 2014, at 12:20 PM, Timur Iskhodzhanov <timurrrr at google.com> wrote:
>>>>
>>>>> ping?
>>>>>
>>>>> I've spent a fair amount of time debugging this yesterday.
>>>>>
>>>>> 2013-11-05 Nico Weber <thakis at chromium.org>:
>>>>>> On Tue, Nov 5, 2013 at 9:44 AM, Bob Wilson <bob.wilson at apple.com> wrote:
>>>>>>>
>>>>>>> On OS X the libc++ headers are meant to be installed along with
>>>>>>> clang.  If
>>>>>>> you check out the libc++ sources in the LLVM projects directory,
>>>>>>> they should
>>>>>>> be installed in the right place.
>>>>>>
>>>>>>
>>>>>> Thanks, that makes sense. Should
>>>>>> http://clang.llvm.org/get_started.html>>> mention checking out
>>>>>> libc++, since it sounds that's now a requirement on OS
>>>>>> X?