The definition "MAC_OS_X_VERSION_MIN_REQUIRED" was not always properly defined because it was being referenced before the import's section.

robbiehanson · robbiehanson · commit fa0bee4d8121 · 2012-07-07T11:49:57.000-07:00
diff --git a/GCD/GCDAsyncSocket.m b/GCD/GCDAsyncSocket.m
@@ -8,6 +8,25 @@
 //  https://github.com/robbiehanson/CocoaAsyncSocket
 //
 
+#import "GCDAsyncSocket.h"
+
+#if TARGET_OS_IPHONE
+#import <CFNetwork/CFNetwork.h>
+#endif
+
+#import <arpa/inet.h>
+#import <fcntl.h>
+#import <ifaddrs.h>
+#import <netdb.h>
+#import <netinet/in.h>
+#import <net/if.h>
+#import <sys/socket.h>
+#import <sys/types.h>
+#import <sys/ioctl.h>
+#import <sys/poll.h>
+#import <sys/uio.h>
+#import <unistd.h>
+
 #if ! __has_feature(objc_arc)
 #warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
 // For more information see: https://github.com/robbiehanson/CocoaAsyncSocket/wiki/ARC
@@ -39,25 +58,6 @@
 
 #endif
 
-#import "GCDAsyncSocket.h"
-
-#if TARGET_OS_IPHONE
-  #import <CFNetwork/CFNetwork.h>
-#endif
-
-#import <arpa/inet.h>
-#import <fcntl.h>
-#import <ifaddrs.h>
-#import <netdb.h>
-#import <netinet/in.h>
-#import <net/if.h>
-#import <sys/socket.h>
-#import <sys/types.h>
-#import <sys/ioctl.h>
-#import <sys/poll.h>
-#import <sys/uio.h>
-#import <unistd.h>
-
 
 #if 0
 
