| |
| #ifndef _OBJC_NEXT_ABI_H_ |
| #define _OBJC_NEXT_ABI_H_ |
| /* Produce a define that allows us to figure out what facilities are |
| available for this gcc and OS combination. |
| */ |
| |
| /* By default we do nothing - therefore ifdef NEXT_OBJC_USE_NEW_INTERFACE |
| * is reliable for detecting |
| * (a) versions of the compiler that are transitional to the new next ABI |
| * (b) versions of the target that require the new ABI. |
| * |
| * This applies for versions of OSX >= 10.5 (darwin9). |
| * |
| * A compiler capable of producing ObjC V2 ABI should define __OBJC2__ |
| */ |
| |
| #undef NEXT_OBJC_ABI_VERSION |
| #undef NEXT_OBJC_USE_NEW_INTERFACE |
| |
| #ifdef __NEXT_RUNTIME__ |
| # if (__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ >= 1050 || __OBJC2__) |
| /* We have to use an updated interface for 32bit NeXT to avoid |
| * 'deprecated' warnings. |
| * For 64bit NeXT the ABI is different (and the interfaces 'deprecated' |
| * for 32bit have been removed). |
| */ |
| # define NEXT_OBJC_USE_NEW_INTERFACE 1 |
| # if __OBJC2__ || __LP64__ |
| /* We have OBJC v2 ABI compiler, |
| (or, at least, the available NeXT runtime requires one) */ |
| # define NEXT_OBJC_ABI_VERSION 2 |
| # else |
| /* We leave it open to define ABI 1 if and when we implement those |
| * extensions. |
| */ |
| # define NEXT_OBJC_ABI_VERSION 0 |
| # endif |
| # else |
| /* All before 10.5 is ABI 0 */ |
| # define NEXT_OBJC_ABI_VERSION 0 |
| # endif |
| #endif |
| |
| #endif /* _OBJC_NEXT_ABI_H_ */ |
