#import <Foundation/Foundation.h> int main(int argc,const char *argv[]){ @autoreleasepool{ NSLog(@"Hello world!"); } return 0; }
jackluo@JackLuodeMacBook-Pro:~/Works/xcode/objective-c $gcc -framework Foundation -x objective-c -o hello main.m
-x选项说明编译objective-c，-framework选项应该是制定Library的
jackluo@JackLuodeMacBook-Pro:~/Works/xcode/objective-c $./hello
2013-12-29 11:53:58.822 hello[703:507] Hello world!
