On 29 Apr 2014, at 04:32, Tom Bruno <[email protected]> wrote: > I'm currently using libobjc2 and clang 3.4. I was researching how NSObject > is implemented just learning the ins and outs (I'm very interested in the > memory management and such). > > One of the things I've noticed is that placing variables in @implementation > does not work on linux but seems to work fine on osx like this (Sources at > end of email): > > #import <objc/runtime.h> > > @implementation MAObject { > Class isa; > volatile int32_t retainCount; > } > > > The compiler complains isa and retainCount do not exist. I've kindof put > together that only OSX 64bit mode will work with this code. Is this a > limitation in libobjc2 or clang on linux itself? Is there something we can > do to support this new syntax?
This should work, however you will need to make sure that you are compiling for a modern ABI. Do your OBJCFLAGS contain either -fobjc-nonfragile-abi, or (ideally) -fobjc-runtime=gnustep-1.7. David -- Sent from my Cray X1 _______________________________________________ Discuss-gnustep mailing list [email protected] https://lists.gnu.org/mailman/listinfo/discuss-gnustep
