From 27571f87776d34558a3210e665fd58c72026a422 Mon Sep 17 00:00:00 2001
From: "matthias.ringwald"
 <matthias.ringwald@1a0a8af8-31b5-11de-8e0c-53a27eea117e>
Date: Thu, 21 Jul 2011 20:55:27 +0000
Subject: [PATCH] use kCFCoreFoundationVersionNumber to check for OS >= 4.0

---
 src/bt_control_iphone.m | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/src/bt_control_iphone.m b/src/bt_control_iphone.m
index 752dc1974..2f2bd4ee3 100644
--- a/src/bt_control_iphone.m
+++ b/src/bt_control_iphone.m
@@ -445,14 +445,9 @@ static int iphone_on (void *transport_config){
 #else
     
     // check for os version >= 4.0
-    int os4x = 1;
-    NSAutoreleasePool * pool =[[NSAutoreleasePool alloc] init];
-    NSString * systemVersion = [[UIDevice currentDevice] systemVersion];
-    if ([systemVersion hasPrefix:@"2."]) os4x = 0;
-    if ([systemVersion hasPrefix:@"3."]) os4x = 0;
-    // NSLog(@"OS Version: %@, ox4x = %u", systemVersion, os4x);
-    [pool release];
-
+    int os4x = kCFCoreFoundationVersionNumber >= 550.32;
+    log_dbg("CFVersion %f, >= 4.0 %u\n", kCFCoreFoundationVersionNumber, os4x);
+    
     // OS 4.0
     char * bluetool = os3xBlueTool;
     if (os4x) {