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Re: Which ObjC2.0 features are missing in the latest GCC?


From: Johannes Brakensiek
Subject: Re: Which ObjC2.0 features are missing in the latest GCC?
Date: Mon, 25 Nov 2019 16:50:48 +0100

Am 25.11.2019 um 16:31 schrieb Yavor Doganov <address@hidden>:
> 
> Johannes Brakensiek wrote:
>>> On 25 Nov 2019, at 14:34, Yavor Doganov wrote:
>>> Off the top of my head, Rik theme is about the single piece of
>>> software that can't be built on stock Debian because of us
>>> sticking to GCC.
>> 
>> thank you for making clear your point. I understood GNUstep would
>> have to provide an updated runtime for all supported architectures
>> and upstream software/applications that rely on clang and its
>> features to make the Debian maintainers distribute it.
> 
> No, that was not my point and nowhere near to what I said.  Debian
> will consider moving to Clang and the new runtime when:
> 
> 1. The pool of new software is large and worthy enough to justify the
>   major regression that is dropping support for about half of the
>   architectures.  It means there has to be much more than Rik that we
>   can't build and package now.  And it appears Rik is buildable with
>   GCC, albeit a less capable version.  So it's not even a proper
>   example.
> 
> 2. The release team approves building an entire software stack with a
>   non-default compiler and as a direct consequence dropping
>   architecure support.
> 
> 3. There is someone willing to do the actual work and carry out such
>   transition.  That's always the case in Debian for any kind of work.
> 
> If GNUstep upstream drops GCC support, 1) will become pointless but 2)
> and 3) remain.
> 
> If GNUstep upstream continues GCC support and the condition outlined
> in 1) does not change, we'll stick to GCC.  We will not move just
> because of some blurry promise for great new software.  I've seen this
> before and it's nothing more than a wet dream.

That‘s what I meant.
+ if clang/the gnustep runtime would support all major architectures there 
would be no regression at all. So that‘s what should be worked on.

Johannes



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