It is probably more a gcc bug, but as long as we do not
have a language standard it is hard to tell.
Problem
-------
The following program does not compile:
--
#include <Foundation/NSSet.h>
#include <AppKit/NSFont.h>
int main (void)
{
NSSet *anSet = [NSSet set];
return 1;
}
--
Compiler output:
bug.m: In function `main':
bug.m:6: void value not ignored as it ought to be
make[2]: *** [shared_obj/ix86/linux-gnu/gnu-gnu-gnu-xgps/bug.o]
Error 1
make[1]: *** [bug.build] Error 2
--
I narrowed the problem down to the following simpler example:
#include <Foundation/Foundation.h>
@interface AClass
+ (id) aMethod;
@end
@interface BClass
- (void) aMethod;
@end
int main (void)
{
AClass *anSet = [AClass aMethod];
return 1;
}
This gives the same kind of error. NSSet and NSFont problem is caused
by the existence of two methods set: + (id) set in NSSet and - (void) set in
NSFont.
The strange thing however is that:
If you replace
#include <Foundation/Foundation.h>
by
#include <objc/Object.h>
The problem does NOT occur. (The program will not link of course)
Some extra information:
gcc version 2.91.66
GNUstep objc 0.9.3
base 0.9.3
But I do not think that that is important.
Wim Oudshoorn.
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