On 16 Feb 2009, at 16:35, Fred Kiefer wrote:
Ricardo Strausz wrote:
NSGraphicsContext.m: In function 'GSCurrentContext':
NSGraphicsContext.m:93: warning: instance variable '_gcontext' is
@private; this will be a hard error in the future
NSGraphicsContext.m: In function '+[NSGraphicsContext
setCurrentContext:]':
NSGraphicsContext.m:162: error: instance variable '_gcontext' is
declared private
NSGraphicsContext.m:162: error: instance variable '_gcontext' is
declared private
gnumake[2]: *** [obj/NSGraphicsContext.m.o] Error 1
gnumake[1]: *** [libgnustep-gui.all.library.variables] Error 2
gnumake: *** [internal-all] Error 2
Error: Status 1 encountered during processing.
This looks like an actual bug in GNUstep, one which went unnoticed
as no
other compiler complained about it. We set a private instance variable
of NSThread via the trick of defining a structure that maps the
internal
layout of NSThread.
The problem is I don't have any other idea how to do this :-(
That's not a GNUstep bug. The code there is using @defs for its
intended purpose. It's explicitly documented as making all the
instance variables public in the ObjC language reference (I just
checked the copy from my old NeXTstep system to be absolutely sure).
So what we have is a compiler bug.
Unfortunately, saying it's a compiler bug doesn't help us much. You
could try messing around with declarations to see if you can avoid
triggering the compiler bug by doing something differently, or
alternatively try hacking the declaration of NSThread so the ivar is
declared public (perhaps we should just do that anyway).
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