Re: [gentoo-alt] Prefix on Sierra: ObjC broken with clang-3.8

[Fabian Groffen]

I noticed bootstraaping is broken, but that seems unrelated to Sierra.
Xcode 8.1 is upgraded on my box as we speak, so I guess the same problem
will appear then for upgrading packages that use affected headers.

I meant to fix the bootstrap for Sierra a week or two ago, but didn't
get much further than adding profiles and allowing bootstrap-prefix.sh
to start on it.

Fabian


On 30-10-2016 21:20:33 +0100, Askar Bektassov wrote:
> Hi Michael,
>
> I am running prefix on Sierra, without issues. Please note, however, that I
> bootstrapped when I was still on El Capitan.
>
> My only guess, is make sure that xcode command line tools are used instead
> of full Xcode package (sudo xcode-select -s
> /Library/Developer/CommandLineTools).
>
> Good luck,
> --
> Askar Bektassov (Аскар Бектасов)
> Sent from mobile, please excuse my brevity and typos
>
> On 30 Oct 2016, at 18:31, Michael Weiser <[1]michael@×××××××××××××××.net>
> wrote:
>
> > Hey guys,
>
> > is anyone running prefix on Sierra yet?
>
> > I am and I've had only one but majorish problem getting it to work:
> > Everything containing Objective-C code (gtk, dev-scheme/guile, git,
> > glib, lbdb) failed to compile with clang 3.8. The errors all were like
> > this:
>
> > In file included from
> > /usr/local/gentoo/var/tmp/portage/x11-libs/gtk+-2.24.31-r1/work/gtk+-2.24.31/gdk/quartz/GdkQuartzView.c:21:
> > In file included from
> > /usr/local/gentoo/var/tmp/portage/x11-libs/gtk+-2.24.31-r1/work/gtk+-2.24.31/gdk/quartz/GdkQuartzView.h:21:
> > In file included from
> > /System/Library/Frameworks/AppKit.framework/Headers/AppKit.h:10:
> > In file included from
> > /System/Library/Frameworks/Foundation.framework/Headers/Foundation.h:10:
> > In file included from
> > /System/Library/Frameworks/Foundation.framework/Headers/NSArray.h:5:
> > /System/Library/Frameworks/Foundation.framework/Headers/NSObject.h:44:12:
> > error: unknown property attribute 'class'
> > @property (class, readonly) BOOL supportsSecureCoding;
> >           ^
>
> > On a hunch that Apple once again started using new language constructs
> > in the system headers as soon as they became available in their latest
> > Xcode clang I've hacked the llvm-3.9.0 ebuild to install a working
> > clang-3.9 and lo and behold all the stuff that failed before compiled
> > and installed fine.
>
> > Did anyone else observe this behaviour or is something screwed up on my
> > system?
>
> > BTW: That system was a fresh install of El Capitan with Xcode 8 which I
> > upgraded just a few days later to Sierra. I manually updated the Xcode
> > command line tools to 8.0 for Sierra via the .pkg from
> > [2]developer.apple.com.
>
> > Another way might have been to downgrade Xcode to possibly get the older
> > system headers as well but I didn't try that. (The way out is forward. ;)
> > --
> > Thanks,
> > Michael
>
>
>  References:
>    1. mailto:michael@×××××××××××××××.net
>    2. http://developer.apple.com
>

-- 
Fabian Groffen
Gentoo on a different level