Compile objective-c in ubuntu

Objective-c is a nice object-oriented language. However, mac book is not cheap for most of us. I decides to learn the language on ubuntu first. To compile objective-c, you should install the following tools and use gcc to compile it as follows.

gcc gobjc gnustep-devel

#import<Foundation/Foundation.h>
int main(int argc, char *argv[]){


NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];

NSLog(@"Hello World!");

[pool drain];

return 0;

}

gcc hello.m `gnustep-config --objc-flags` -lgnustep-base -o hello