Re: macOS/GCC support policy

[조성빈]

2019. 8. 4. 오전 11:56, Richard Stallman <address@hidden> 작성:

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>> Date: Sat, 3 Aug 2019 12:18:02 +0100
>> From: Alan Third <address@hidden>
>> To: Eli Zaretskii <address@hidden>
>> Subject: Re: macOS/GCC support policy
>> Message-ID: <address@hidden>
>> Content-Type: text/plain; charset=utf-8
>> Content-Disposition: inline
>> In-Reply-To: <address@hidden>
>> Cc: address@hidden, address@hidden, address@hidden
> 
>> On Sat, Aug 03, 2019 at 02:10:45PM +0300, Eli Zaretskii wrote:
>>>> Date: Sat, 3 Aug 2019 12:02:56 +0100
>>>> From: Alan Third <address@hidden>
>>>> Cc: Philipp Stephani <address@hidden>, address@hidden,
>>>>    address@hidden
>>>> 
>>>>> On Fri, Aug 02, 2019 at 06:05:20PM +0300, Eli Zaretskii wrote:
>>>>> 
>>>>> Why does Emacs need AppKit/AppKit.h?  If this is for some important
>>>>> functionality, and if we cannot find a compatible replacement, I guess
>>>>> the conclusion is that we cannot build Emacs on macOS with GCC due to
>>>>> the Apple system headers.
>>>> 
>>>> Appkit is, basically, the NextStep GUI toolkit, so we need it.
>>> 
>>> So basically, this means GCC cannot be currently used to compile any
>>> non-trivial NS GUI application, is that right?
> 
>> Yes. As Philippe demonstrated GCC errors when it sees the header
>> files.
> 
>>> Is there any ETA on GCC support for the current NS GUI?  Is anyone
>>> working on that, to the best of your knowledge?
> 
>> As far as I’m aware nobody is working on it. Features like blocks have
>> been part of Apple’s Objective C spec for at least a decade now and I
>> don’t believe there has been any attempt to update GCC.
> 
> The basic purpose of every GNU package is to add to what the GNU
> system can do.  Making a GNU program run on some other system is not a
> central goal, but we encourage people to implement that if they wish.
> 
> It would be beneficial to make GCC support MacOS if it would lead
> to more adoption of GCC.  Otherwise, we don't especially care.

Does that mean we can use Obj-C blocks in Emacs? (IOW, should I keep developing 
the patch?)

> If extensions to Objective C make that language better, it would be
> good to implement them.  GNUtep doesn't use them now, but maybe it
> would use them if they were available.
> 
> 
> -- 
> Dr Richard Stallman
> President, Free Software Foundation (https://gnu.org, https://fsf.org)
> Internet Hall-of-Famer (https://internethalloffame.org)
> 
> 
>