Fix build of Mac GTM project with static analyzer. Remove GTMGarbageCollection. Remove GC build configs. Remove internal dependence on GTMObjectSingleton.

DELTA=447  (49 added, 296 deleted, 102 changed)

18 files changed, 58 insertions, 186 deletions

diff --git a/Foundation/GTMAbstractDOListenerTest.m b/Foundation/GTMAbstractDOListenerTest.m
index 2cb4557..d26d4fc 100644
--- a/Foundation/GTMAbstractDOListenerTest.m
+++ b/Foundation/GTMAbstractDOListenerTest.m
@@ -19,9 +19,6 @@
 #import "GTMSenTestCase.h"
 #import "GTMAbstractDOListener.h"
 
-// Needed for GTMIsGarbageCollectionEnabled
-#import "GTMGarbageCollection.h"
-
 // Needed for GTMUnitTestDevLog expectPattern
 #import "GTMUnitTestDevLog.h"
 
@@ -358,16 +355,11 @@ enum {
                  listenerCount + 1, nil);
   [pool drain];
 
-  if (!GTMIsGarbageCollectionEnabled()) {
-    // Not much point with GC on.
-    STAssertEquals([listener retainCount], (NSUInteger)1, nil);
-  }
+  STAssertEquals([listener retainCount], (NSUInteger)1, nil);
 
   [listener release];
-  if (!GTMIsGarbageCollectionEnabled()) {
-    STAssertEquals([[GTMAbstractDOListener allListeners] count], listenerCount,
-                   nil);
-  }
+  STAssertEquals([[GTMAbstractDOListener allListeners] count], listenerCount,
+                 nil);
 }
 
 @end
diff --git a/Foundation/GTMFileSystemKQueueTest.m b/Foundation/GTMFileSystemKQueueTest.m
index d80f161..a8eec37 100644
--- a/Foundation/GTMFileSystemKQueueTest.m
+++ b/Foundation/GTMFileSystemKQueueTest.m
@@ -18,7 +18,6 @@
 
 #import "GTMSenTestCase.h"
 #import "GTMFileSystemKQueue.h"
-#import "GTMGarbageCollection.h"
 #import "GTMUnitTestDevLog.h"
 
 
@@ -509,15 +508,10 @@
 #endif  // MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5
 
   // Now destroy the queue, with events outstanding from the CFSocket, but
-  // unconsumed. For GC this involves us using a private method since |helper|
-  // still has a reference. For non-GC we'll force the release.
-  if (GTMIsGarbageCollectionEnabled()) {
-    [testKQ unregisterWithKQueue];
-  } else {
-    STAssertEquals([testKQ retainCount], (NSUInteger)1, nil);
-    [testKQ release];
-    testKQ = nil;
-  }
+  // unconsumed.
+  STAssertEquals([testKQ retainCount], (NSUInteger)1, nil);
+  [testKQ release];
+  testKQ = nil;
 
   // Spin the runloop, no events were delivered (and we should not hang)
   [self spinForEvents:helper];
diff --git a/Foundation/GTMFourCharCode.m b/Foundation/GTMFourCharCode.m
index 44ab688..02eea23 100644
--- a/Foundation/GTMFourCharCode.m
+++ b/Foundation/GTMFourCharCode.m
@@ -19,7 +19,6 @@
 
 #import "GTMDefines.h"
 #import "GTMFourCharCode.h"
-#import "GTMGarbageCollection.h"
 #import <CoreServices/CoreServices.h>
 
 @implementation GTMFourCharCode
diff --git a/Foundation/GTMGarbageCollection.h b/Foundation/GTMGarbageCollection.h
index 93d4efa..19ba255 100644
--- a/Foundation/GTMGarbageCollection.h
+++ b/Foundation/GTMGarbageCollection.h
@@ -1,72 +1,4 @@
 //
-//  GTMGarbageCollection.h
+// This file previously included utility functions for working
+// with Garbage Collection on Mac OS X.
 //
-//  Copyright 2007-2008 Google Inc.
-//
-//  Licensed under the Apache License, Version 2.0 (the "License"); you may not
-//  use this file except in compliance with the License.  You may obtain a copy
-//  of the License at
-// 
-//  http://www.apache.org/licenses/LICENSE-2.0
-// 
-//  Unless required by applicable law or agreed to in writing, software
-//  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-//  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
-//  License for the specific language governing permissions and limitations under
-//  the License.
-//
-
-#import <Foundation/Foundation.h>
-
-#import "GTMDefines.h"
-
-// This allows us to easily move our code from GC to non GC.
-// They are no-ops unless we are require Leopard or above.
-// See 
-// http://developer.apple.com/documentation/Cocoa/Conceptual/GarbageCollection/index.html
-// and
-// http://developer.apple.com/documentation/Cocoa/Conceptual/GarbageCollection/Articles/gcCoreFoundation.html#//apple_ref/doc/uid/TP40006687-SW1
-// for details.
-
-#if (MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5) && !GTM_IPHONE_SDK
-// General use would be to call this through GTMCFAutorelease
-// but there may be a reason the you want to make something collectable
-// but not autoreleased, especially in pure GC code where you don't
-// want to bother with the nop autorelease. Done as a define instead of an 
-// inline so that tools like Clang's scan-build don't report code as leaking.
-#define GTMNSMakeCollectable(cf) ((id)NSMakeCollectable(cf))
-
-// GTMNSMakeUncollectable is for global maps, etc. that we don't
-// want released ever. You should still retain these in non-gc code.
-GTM_INLINE void GTMNSMakeUncollectable(id object) {
-  [[NSGarbageCollector defaultCollector] disableCollectorForPointer:object];
-}
-
-// Hopefully no code really needs this, but GTMIsGarbageCollectionEnabled is
-// a common way to check at runtime if GC is on.
-// There are some places where GC doesn't work w/ things w/in Apple's
-// frameworks, so this is here so GTM unittests and detect it, and not run
-// individual tests to work around bugs in Apple's frameworks.
-GTM_INLINE BOOL GTMIsGarbageCollectionEnabled(void) {
-  return ([NSGarbageCollector defaultCollector] != nil);
-}
-
-#else
-
-#define GTMNSMakeCollectable(cf) ((id)(cf))
-
-GTM_INLINE void GTMNSMakeUncollectable(id object) {
-}
-
-GTM_INLINE BOOL GTMIsGarbageCollectionEnabled(void) {
-  return NO;
-}
-
-#endif
-
-// GTMCFAutorelease makes a CF object collectable in GC mode, or adds it 
-// to the autorelease pool in non-GC mode. Either way it is taken care
-// of. Done as a define instead of an inline so that tools like Clang's
-// scan-build don't report code as leaking.
-#define GTMCFAutorelease(cf) ([GTMNSMakeCollectable(cf) autorelease])
-
diff --git a/Foundation/GTMLogger.m b/Foundation/GTMLogger.m
index 4b40747..424f3c0 100644
--- a/Foundation/GTMLogger.m
+++ b/Foundation/GTMLogger.m
@@ -17,7 +17,6 @@
 //
 
 #import "GTMLogger.h"
-#import "GTMGarbageCollection.h"
 #import <fcntl.h>
 #import <unistd.h>
 #import <stdlib.h>
diff --git a/Foundation/GTMNSAppleScript+Handler.h b/Foundation/GTMNSAppleScript+Handler.h
index 8fcb8fc..ba4fe72 100644
--- a/Foundation/GTMNSAppleScript+Handler.h
+++ b/Foundation/GTMNSAppleScript+Handler.h
@@ -19,13 +19,6 @@
 #import <Foundation/Foundation.h>
 #import "GTMDefines.h"
 
-// :::WARNING::: NSAppleScript and Garbage Collect (GC)
-//
-// As of 10.5.6 (and below) Apple has bugs in NSAppleScript when running with
-// GC; ie-things crash that have nothing to do w/ this or your code.  See
-// http://rails.wincent.com/issues/640 for a good amount of detail about the
-// problems and simple cases that show it.
-
 // A category for calling handlers in NSAppleScript
 
 enum {
diff --git a/Foundation/GTMNSAppleScript+Handler.m b/Foundation/GTMNSAppleScript+Handler.m
index 34b21c6..e17ba91 100644
--- a/Foundation/GTMNSAppleScript+Handler.m
+++ b/Foundation/GTMNSAppleScript+Handler.m
@@ -203,7 +203,7 @@ GTM_METHOD_CHECK(NSAppleEventDescriptor, gtm_registerSelector:forTypes:count:);
   if (propertyName && desc) {
     NSAppleScript *script = self;
     OSAID valueID = kOSANullScript;
-    ComponentInstance component;
+    ComponentInstance component = NULL;
     OSAID scriptID = [script gtm_realIDAndComponent:&component];
     error = OSACoerceFromDesc(component,
                               [desc aeDesc],
@@ -256,7 +256,7 @@ GTM_METHOD_CHECK(NSAppleEventDescriptor, gtm_registerSelector:forTypes:count:);
 }
 
 - (BOOL)gtm_hasOpenDocumentsHandler {
-  ComponentInstance component;
+  ComponentInstance component = NULL;
   OSAID osaID = [self gtm_realIDAndComponent:&component];
   long value = 0;
   OSAError error = OSAGetScriptInfo(component,
@@ -332,7 +332,7 @@ GTM_METHOD_CHECK(NSAppleEventDescriptor, gtm_registerSelector:forTypes:count:);
   NSAppleEventDescriptor *propertyName
     = [self gtm_descriptorForPropertyValue:property];
   if (propertyName) {
-    ComponentInstance component;
+    ComponentInstance component = NULL;
     OSAID scriptID = [self gtm_realIDAndComponent:&component];
     OSAID valueID = kOSANullScript;
     error = OSAGetProperty(component,
@@ -380,7 +380,7 @@ GTM_METHOD_CHECK(NSAppleEventDescriptor, gtm_registerSelector:forTypes:count:);
   GTMAssertRunningOnMainThread();
   AEDescList names = { typeNull, NULL };
   NSArray *array = nil;
-  ComponentInstance component;
+  ComponentInstance component = NULL;
   OSAID osaID = [self gtm_realIDAndComponent:&component];
   OSAError error = OSAGetHandlerNames(component, kOSAModeNull, osaID, &names);
   if (error == noErr) {
@@ -399,7 +399,7 @@ GTM_METHOD_CHECK(NSAppleEventDescriptor, gtm_registerSelector:forTypes:count:);
   GTMAssertRunningOnMainThread();
   AEDescList names = { typeNull, NULL };
   NSArray *array = nil;
-  ComponentInstance component;
+  ComponentInstance component = NULL;
   OSAID osaID = [self gtm_realIDAndComponent:&component];
   OSAError error = OSAGetPropertyNames(component, kOSAModeNull, osaID, &names);
   if (error == noErr) {
@@ -495,7 +495,7 @@ GTM_METHOD_CHECK(NSAppleEventDescriptor, gtm_registerSelector:forTypes:count:);
   if (!error) {
     NSAppleEventDescriptor *desc = nil;
     NSAppleEventDescriptor *event = [data objectForKey:GTMNSAppleScriptEventKey];
-    ComponentInstance component;
+    ComponentInstance component = NULL;
     OSAID scriptID = [self gtm_realIDAndComponent:&component];
     OSAID valueID;
     OSAError err = OSAExecuteEvent(component, [event aeDesc], scriptID,
diff --git a/Foundation/GTMNSAppleScript+HandlerTest.m b/Foundation/GTMNSAppleScript+HandlerTest.m
index 16886a8..6a064dd 100644
--- a/Foundation/GTMNSAppleScript+HandlerTest.m
+++ b/Foundation/GTMNSAppleScript+HandlerTest.m
@@ -21,7 +21,6 @@
 #import "GTMNSAppleScript+Handler.h"
 #import "GTMNSAppleEventDescriptor+Foundation.h"
 #import "GTMUnitTestDevLog.h"
-#import "GTMGarbageCollection.h"
 #import "GTMSystemVersion.h"
 #import "GTMFourCharCode.h"
 
@@ -37,21 +36,6 @@
 @end
 
 @implementation GTMNSAppleScript_HandlerTest
-- (void)invokeTest {
-  // NOTE: These tests are disabled in GC is on.  See the comment/warning in the
-  // GTMNSAppleScript+Handler.h for more details, but we disable them to avoid
-  // the tests failing (crashing) when it's Apple's bug. Please bump the system
-  // check as appropriate when new systems are tested. Currently broken on
-  // 10.5.8 and below. Radar 6126682.
-  SInt32 major, minor, bugfix;
-  [GTMSystemVersion getMajor:&major minor:&minor bugFix:&bugfix];
-  BOOL gcEnabled = GTMIsGarbageCollectionEnabled();
-  if (gcEnabled && major <= 10 && minor <= 5 && bugfix <= 8) {
-    NSLog(@"--- %@ NOT run because of GC incompatibilites ---", [self name]);
-  } else {
-    [super invokeTest];
-  }
-}
 
 - (void)setUp {
   NSBundle *bundle
diff --git a/Foundation/GTMNSDictionary+CaseInsensitive.m b/Foundation/GTMNSDictionary+CaseInsensitive.m
index a207000..96494c2 100644
--- a/Foundation/GTMNSDictionary+CaseInsensitive.m
+++ b/Foundation/GTMNSDictionary+CaseInsensitive.m
@@ -18,7 +18,6 @@
 
 #import "GTMNSDictionary+CaseInsensitive.h"
 #import "GTMDefines.h"
-#import "GTMGarbageCollection.h"
 #import <CoreFoundation/CoreFoundation.h>
 
 @interface NSMutableDictionary (GTMNSMutableDictionaryCaseInsensitiveAdditions)
@@ -85,14 +84,9 @@ static CFHashCode CaseInsensitiveHashCallback(const void *value) {
   keyCallbacks.equal = CaseInsensitiveEqualCallback;
   keyCallbacks.hash = CaseInsensitiveHashCallback;
 
-  // GTMNSMakeCollectable drops the retain count in GC mode so the object can
-  // be garbage collected.
-  // GTMNSMakeCollectable not GTMCFAutorelease because this is an initializer
-  // and in non-GC mode we need to return a +1 retain count object.
-  self = GTMNSMakeCollectable(
-      CFDictionaryCreate(kCFAllocatorDefault,
-                         keys, values, count, &keyCallbacks,
-                         &kCFTypeDictionaryValueCallBacks));
+  self = (id)CFDictionaryCreate(kCFAllocatorDefault,
+                                keys, values, count, &keyCallbacks,
+                                &kCFTypeDictionaryValueCallBacks);
 
   free(keys);
   free(values);
@@ -111,13 +105,8 @@ static CFHashCode CaseInsensitiveHashCallback(const void *value) {
 
 - (id)gtm_initWithDictionaryCaseInsensitive:(NSDictionary *)dictionary {
   if ((self = [super gtm_initWithDictionaryCaseInsensitive:dictionary])) {
-    // GTMNSMakeCollectable drops the retain count in GC mode so the object can
-    // be garbage collected.
-    // GTMNSMakeCollectable not GTMCFAutorelease because this is an initializer
-    // and in non-GC mode we need to return a +1 retain count object.
-    id copy = GTMNSMakeCollectable(
-        CFDictionaryCreateMutableCopy(kCFAllocatorDefault, 0,
-                                      (CFDictionaryRef)self));
+    id copy = (id)CFDictionaryCreateMutableCopy(kCFAllocatorDefault, 0,
+                                                (CFDictionaryRef)self);
     [self release];
     self = copy;
   }
diff --git a/Foundation/GTMNSFileManager+Carbon.m b/Foundation/GTMNSFileManager+Carbon.m
index 9b91a4d..8c51f66 100644
--- a/Foundation/GTMNSFileManager+Carbon.m
+++ b/Foundation/GTMNSFileManager+Carbon.m
@@ -20,7 +20,6 @@
 #import <CoreServices/CoreServices.h>
 #import <sys/param.h>
 #import "GTMDefines.h"
-#import "GTMGarbageCollection.h"
 
 @implementation NSFileManager (GTMFileManagerCarbonAdditions)
 
diff --git a/Foundation/GTMNSString+FindFolder.m b/Foundation/GTMNSString+FindFolder.m
index 2e847e3..1e1b50a 100644
--- a/Foundation/GTMNSString+FindFolder.m
+++ b/Foundation/GTMNSString+FindFolder.m
@@ -17,7 +17,7 @@
 //
 
 #import "GTMNSString+FindFolder.h"
-#import "GTMGarbageCollection.h"
+#import "GTMDefines.h"
 
 @implementation NSString (GTMStringFindFolderAdditions)
 
diff --git a/Foundation/GTMNSString+URLArguments.m b/Foundation/GTMNSString+URLArguments.m
index 46d2c99..90c65c5 100644
--- a/Foundation/GTMNSString+URLArguments.m
+++ b/Foundation/GTMNSString+URLArguments.m
@@ -17,7 +17,8 @@
 //
 
 #import "GTMNSString+URLArguments.h"
-#import "GTMGarbageCollection.h"
+
+#import "GTMDefines.h"
 
 @implementation NSString (GTMNSStringURLArgumentsAdditions)
 
diff --git a/Foundation/GTMNSString+XML.m b/Foundation/GTMNSString+XML.m
index 0e16ddb..2e165e6 100644
--- a/Foundation/GTMNSString+XML.m
+++ b/Foundation/GTMNSString+XML.m
@@ -18,7 +18,6 @@
 
 #import "GTMDefines.h"
 #import "GTMNSString+XML.h"
-#import "GTMGarbageCollection.h"
 
 enum {
   kGTMXMLCharModeEncodeQUOT  = 0,
diff --git a/Foundation/GTMSQLite.m b/Foundation/GTMSQLite.m
index 29980ae..502a5cc 100644
--- a/Foundation/GTMSQLite.m
+++ b/Foundation/GTMSQLite.m
@@ -27,7 +27,6 @@
 #import "GTMMethodCheck.h"
 #import "GTMDefines.h"
 #include <limits.h>
-#import "GTMGarbageCollection.h"
 
 typedef struct {
   BOOL upperCase;
diff --git a/Foundation/GTMSQLiteTest.m b/Foundation/GTMSQLiteTest.m
index a158a4f..8a5f18d 100644
--- a/Foundation/GTMSQLiteTest.m
+++ b/Foundation/GTMSQLiteTest.m
@@ -20,7 +20,6 @@
 #import "GTMSQLite.h"
 #import "GTMSenTestCase.h"
 #import "GTMUnitTestDevLog.h"
-#import "GTMGarbageCollection.h"
 
 @interface GTMSQLiteTest : GTMTestCase
 @end
@@ -1744,51 +1743,47 @@ static NSArray* LikeGlobTestHelper(GTMSQLiteDatabase *db, NSString *sql) {
 }
 
 - (void)testThatNotFinalizingStatementsThrowsAssertion {
-  // The run-time check is discouraged, but we're using it because the
-  // same test binary is used for both GC & Non-GC runs
-  if (!GTMIsGarbageCollectionEnabled())  {
-      NSAutoreleasePool *localPool = [[NSAutoreleasePool alloc] init];
+  NSAutoreleasePool *localPool = [[NSAutoreleasePool alloc] init];
 
-    int err;
-    GTMSQLiteDatabase *db =
-      [[[GTMSQLiteDatabase alloc] initInMemoryWithCFAdditions:YES
-                                                         utf8:YES
-                                                    errorCode:&err]
-        autorelease];
+  int err;
+  GTMSQLiteDatabase *db =
+    [[[GTMSQLiteDatabase alloc] initInMemoryWithCFAdditions:YES
+                                                       utf8:YES
+                                                  errorCode:&err]
+      autorelease];
 
-    STAssertNotNil(db, @"Failed to create database");
+  STAssertNotNil(db, @"Failed to create database");
 
-    sqlite3 *sqlite3DB = [db sqlite3DB];
-    
-    NSString *selectSQL = @"select 1";
-    GTMSQLiteStatement *statement;
-    statement = [GTMSQLiteStatement statementWithSQL:selectSQL
-                                          inDatabase:db
-                                           errorCode:&err];
-    STAssertNotNil(statement, @"Failed to create select statement");
-    STAssertEquals(err, SQLITE_OK, @"Failed to create select statement");
+  sqlite3 *sqlite3DB = [db sqlite3DB];
+  
+  NSString *selectSQL = @"select 1";
+  GTMSQLiteStatement *statement;
+  statement = [GTMSQLiteStatement statementWithSQL:selectSQL
+                                        inDatabase:db
+                                         errorCode:&err];
+  STAssertNotNil(statement, @"Failed to create select statement");
+  STAssertEquals(err, SQLITE_OK, @"Failed to create select statement");
 
-    sqlite3_stmt *sqlite3Statment = [statement sqlite3Statement];
+  sqlite3_stmt *sqlite3Statment = [statement sqlite3Statement];
 
-    err = [statement stepRow];
-    STAssertEquals(err, SQLITE_ROW,
-                   @"failed to step row for finalize test");
+  err = [statement stepRow];
+  STAssertEquals(err, SQLITE_ROW,
+                 @"failed to step row for finalize test");
 
-    NSString *expectedLog = 
-      @"-[GTMSQLiteStatement finalizeStatement] must be called "
-      @"when statement is no longer needed";
+  NSString *expectedLog = 
+    @"-[GTMSQLiteStatement finalizeStatement] must be called "
+    @"when statement is no longer needed";
 
-    [GTMUnitTestDevLog expectString:@"%@", expectedLog];
-    [GTMUnitTestDevLog expectPattern:@"Unable to close .*"];
-    [localPool drain];
-    
-    // Clean up leaks. Since we hadn't finalized the statement above we
-    // were unable to clean up the sqlite databases. Since the pool is drained
-    // all of our objective-c objects are gone, so we have to call the
-    // sqlite3 api directly.
-    STAssertEquals(sqlite3_finalize(sqlite3Statment), SQLITE_OK, nil);
-    STAssertEquals(sqlite3_close(sqlite3DB), SQLITE_OK, nil);
-  }
+  [GTMUnitTestDevLog expectString:@"%@", expectedLog];
+  [GTMUnitTestDevLog expectPattern:@"Unable to close .*"];
+  [localPool drain];
+  
+  // Clean up leaks. Since we hadn't finalized the statement above we
+  // were unable to clean up the sqlite databases. Since the pool is drained
+  // all of our objective-c objects are gone, so we have to call the
+  // sqlite3 api directly.
+  STAssertEquals(sqlite3_finalize(sqlite3Statment), SQLITE_OK, nil);
+  STAssertEquals(sqlite3_close(sqlite3DB), SQLITE_OK, nil);
 }
 
 - (void)testCompleteSQLString {
diff --git a/Foundation/GTMServiceManagementTest.m b/Foundation/GTMServiceManagementTest.m
index f23ceba..95ef0b4 100644
--- a/Foundation/GTMServiceManagementTest.m
+++ b/Foundation/GTMServiceManagementTest.m
@@ -21,7 +21,6 @@
 #if MAC_OS_X_VERSION_MIN_REQUIRED > MAC_OS_X_VERSION_10_4
 
 #import "GTMSenTestCase.h"
-#import "GTMGarbageCollection.h"
 #import <servers/bootstrap.h>
 
 #define STANDARD_JOB_LABEL "com.apple.launchctl.Background"
diff --git a/Foundation/GTMSystemVersion.m b/Foundation/GTMSystemVersion.m
index 9bd969c..2a84168 100644
--- a/Foundation/GTMSystemVersion.m
+++ b/Foundation/GTMSystemVersion.m
@@ -17,7 +17,6 @@
 //
 
 #import "GTMSystemVersion.h"
-#import "GTMGarbageCollection.h"
 #import "GTMObjC2Runtime.h"
 #if GTM_MACOS_SDK
 #import <CoreServices/CoreServices.h>
@@ -134,7 +133,6 @@ static NSString *const kSystemVersionPlistPath = @"/System/Library/CoreServices/
       NSDictionary *systemVersionPlist 
         = [NSDictionary dictionaryWithContentsOfFile:kSystemVersionPlistPath];
       sBuild = [[systemVersionPlist objectForKey:@"ProductBuildVersion"] retain];
-      GTMNSMakeUncollectable(sBuild);
       _GTMDevAssert(sBuild, @"Unable to get build version");
     }
   }
diff --git a/Foundation/GTMURITemplate.m b/Foundation/GTMURITemplate.m
index 3240dee..7721d84 100644
--- a/Foundation/GTMURITemplate.m
+++ b/Foundation/GTMURITemplate.m
@@ -15,7 +15,7 @@
 
 #import "GTMURITemplate.h"
 
-#import "GTMGarbageCollection.h"
+#import "GTMDefines.h"
 
 #if MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5