base compile failure

[Riccardo Mottola]

Hi,

while compiling base with older gcc, I get these errors (and also warnings):

I think it doesn't understand "@required" and "@optional". Did we use to 
have a macro for that?

NSError.m:193:1: warning: cast increases required alignment of target type
 Compiling file NSException.m ...
 Compiling file NSFileCoordinator.m ...
In file included from NSFileCoordinator.m:30:0:
../Headers/Foundation/NSFilePresenter.h:42:1: error: stray '@' in program
../Headers/Foundation/NSFilePresenter.h:43:1: error: expected '=', ',', 
';', 'asm' or '__attribute__' before '-' token
../Headers/Foundation/NSFilePresenter.h:46:1: error: stray '@' in program
../Headers/Foundation/NSFilePresenter.h:47:1: error: expected '=', ',', 
';', 'asm' or '__attribute__' before '-' token
NSFileCoordinator.m: In function '+[NSFileCoordinator addFilePresenter:]':
NSFileCoordinator.m:98:3: warning: no '-presentedItemURL' method found
NSFileCoordinator.m:98:3: warning: (Messages without a matching method 
signature
NSFileCoordinator.m:98:3: warning: will be assumed to return 'id' and accept
NSFileCoordinator.m:98:3: warning: '...' as arguments.)
NSFileCoordinator.m: In function '+[NSFileCoordinator 
removeFilePresenter:]':
NSFileCoordinator.m:105:3: warning: no '-presentedItemURL' method found
NSFileCoordinator.m: In function '-[NSFileCoordinator 
coordinateAccessWithIntents:queue:byAccessor:]':
NSFileCoordinator.m:156:7: warning: passing argument 1 of 
'blockOperationWithBlock:' from incompatible pointer type
NSFileCoordinator.m:156:7: note: expected 'GSBlockOperationBlock' but 
argument is of type 'GSAccessorCallbackHandler'
NSFileCoordinator.m: At top level:


Riccardo