From 2242f504262f0b610ea9e851230ebe14aefd129a Mon Sep 17 00:00:00 2001
From: xcvista <xcvista@me.com>
Date: Thu, 11 Apr 2013 13:49:23 +0800
Subject: [PATCH] Rewritten objc.m to use Objective-C objects (NSData, NSString
 and NSFileHandle) and provided build instructions using clang on both OS X
 and Linux.

---
 o/objc.m | 24 +++++++++++++++++++-----
 1 file changed, 19 insertions(+), 5 deletions(-)

diff --git a/o/objc.m b/o/objc.m
index 0398e29e..d53547e1 100644
--- a/o/objc.m
+++ b/o/objc.m
@@ -1,7 +1,21 @@
-#import <Cocoa/Cocoa.h>
+/*
+ Build on OS X: 
+ clang -framework Foundation -fobjc-arc objc.m -o objc
+ 
+ Build on Linux with GNUstep:
+ clang `gnustep-config --objc-flags` `gnustep-config --base-libs` -fobjc-nonfragile-abi -fobjc-arc objc.m -o objc
+ */
 
-int main(int argc, char *argv[])
+#import <Foundation/Foundation.h>
+
+int main(void)
 {
-    NSLog(@"Hello, World!\n");
-	return 0;
-}
+    @autoreleasepool
+    {
+        NSFileHandle *_stderr = [NSFileHandle fileHandleWithStandardError];
+        NSString *string = @"hello, world\n";
+        NSData *data = [string dataUsingEncoding:[NSString defaultCStringEncoding]];
+        [_stderr writeData:data];
+    }
+    return EXIT_SUCCESS;
+}
\ No newline at end of file