* objc/objc.h (__GNU_LIBOBJC__): New #define providing an easy way
to check the API version. Added some comments.
* objc-private/common.h: New file.
* NXConstStr.m: Include objc-private/common.h.
* Object.m: Same change.
* Protocol.m: Same change.
* archive.c: Same change.
* class.c: Same change.
* encoding.c: Same change.
* exception.c: Same change.
* gc.c: Same change.
* hash.c: Same change.
* init.c: Same change.
* libobjc_entry.c: Same change.
* linking.m: Same change.
* misc.c: Same change (and added a comment).
* nil_method.c: Same change.
* objects.c: Same change.
* sarray.c: Same change.
* selector.c: Same change.
* sendmsg.c: Same change.
* thr.c: Same change.
From-SVN: r164218
2005-08-13 Andrew Pinski <pinskia@physics.uc.edu>
* Makefile.in (extra_ldflags_libobjc): New.
(libobjc$(libext).la): Add extra_ldflags_libobjc to the link line.
(libobjc_gc$(libext).la): Likewise.
* configure.ac (extra_ldflags_libgfortran): Set for *-darwin* to
"-Wl,-single_module".
* configure: Regenerate.
* linking.m (_objcInit): Remove.
From-SVN: r103064