OS X linker warnings

[Dan Olson via digitalmars-d-ldc]

Dan Olson <gorox at comcast.net> writes:

> Dan Olson <gorox at concast.net> writes:
>
>> On Tuesday, 27 October 2015 at 09:19:08 UTC, David Nadlinger wrote:
>>> On 27 Oct 2015, at 11:14, John Colvin via digitalmars-d-ldc wrote:
>>>> one for every object file. Is there some way of fixing this?
>>>
>>> This only started appearing with Xcode 7. Note that 15.0 is the
>>> Darwin version, whereas 10.11 is the "public" OS X release
>>> number. Not sure what is going on there.
>>>
>>> If you want to give it a try, I'd start comparing the object files
>>> with what Clang produces (e.g. using macho-dump).
>>>
>>>  — David
>>
>> Xcode 7 ld64 does additional checks to make sure all objects meet min
>> os version.  The cause may be that ldc produces a triple of
>> x86_64-apple-darwin whereas clang produces the triple
>> x86_64-apple-macosx.  Usually the latest version is appended
>> too. Probably ldc should set OS to macosx like clang.
>
> I confirmed that changing triple OS from Triple::Darwin (the default) to
> Triple::MacOSX gets rid of all these ld warnings.
>
> I think we need a PR.  Maybe dup the logic clang uses to pick the triple
> on OS X?

Just a simple change to macosx for now.

https://github.com/ldc-developers/ldc/pull/1209