Re: Compilation error/ARC link errors...

On Tue, Aug 1, 2017 at 11:51 Gregory Casamento <address@hidden> wrote:

Thanks. I need to make sure my installation is clean

On Tue, Aug 1, 2017 at 05:33 David Chisnall <address@hidden> wrote:
On 1 Aug 2017, at 08:15, Gregory Casamento <address@hidden> wrote:
>
> Which ObjC runtime are you using?
>
> The built in one in gcc.

The missing symbols are all ones that are defined by libobjc2 and used in NSAutoreleasePool. For example:

https://github.com/gnustep/libs-base/blob/master/Source/NSAutoreleasePool.m#L217

They are all protected by #ifdef ARC_RUNTIME:

https://github.com/gnustep/libs-base/blob/master/Source/NSAutoreleasePool.m#L178

This, in turn, is defined by this block:

https://github.com/gnustep/libs-base/blob/master/Source/NSAutoreleasePool.m#L36

#if __has_include(<objc/capabilities.h>)
# include <objc/capabilities.h>
# ifdef OBJC_ARC_AUTORELEASE_DEBUG
# include <objc/objc-arc.h>
# define ARC_RUNTIME 1
# endif
#endif

It therefore looks as if you have the headers for libobjc2 installed, but are linking against a different runtime.

David

It did, indeed, turn out to be a library I installed unintentionally in wrong place. Everything is working fine now.

Thanks. GC

--
Gregory Casamento
GNUstep Lead Developer / OLC, Principal Consultant
http://www.gnustep.org - http://heronsperch.blogspot.com
http://ind.ie/phoenix/

From:	Gregory Casamento
Subject:	Re: Compilation error/ARC link errors...
Date:	Wed, 02 Aug 2017 03:11:31 +0000