$ cat hello.m
#import <Foundation/Foundation.h>
int main(int argc, char **argv) {
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
NSLog(@"Hello world!");
[pool drain];
return 0;
}
$ clang -framework Foundation -o hello hello.m
$ ./hello
2011-03-27 00:00:41.422 hello[661:903] Hello world!
$ python
>>> from Foundation import *
>>> print NSDate.date()
2011-03-27 00:01:56 -0700