首页 > 代码库 > Ubuntu14.04 Objective-C hello world

Ubuntu14.04 Objective-C hello world

2024-07-06 21:34:23   216人阅读

1. Install GNUstep

?
1
sudo apt-get install gnustep gnustep-devel

2. Write hello world program, and save as hello.m

?
1
2
3
4
5
6
7
8
9
10
#import <Foundation/Foundation.h>
 
int main (int argc, const char * argv[])
{
        NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
 
        NSLog (@"hello world");
        [pool drain];
        return 0;
}

3. Set GNUstep compile enviroment

?
1
. /usr/share/GNUstep/Makefiles/GNUstep.sh

4. Compile 

?
1
gcc hello.m `gnustep-config --objc-flags` `gnustep-config --objc-libs` -lobjc -lgnustep-base -o hello

　　


联系
我们