https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63651
--- Comment #18 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- For the record with darwin15 I had to add /System/Library/Frameworks/Foundation.framework/Versions/C/Headers/NSEnumerator.h /System/Library/Frameworks/Foundation.framework/Versions/C/Headers/NSObject.h /System/Library/Frameworks/Foundation.framework/Versions/C/Headers/NSValue.h from the 10.9 SDK to /System/Library/Frameworks/Foundation.framework/Versions/C/Headers/NSArray.h /System/Library/Frameworks/Foundation.framework/Versions/C/Headers/NSString.h /usr/include/objc/NSObject.h
