diff --git a/src/utils/mac/SkCreateCGImageRef.cpp b/src/utils/mac/SkCreateCGImageRef.cpp
index b2a37f0..6c9415e 100644
--- a/src/utils/mac/SkCreateCGImageRef.cpp
+++ b/src/utils/mac/SkCreateCGImageRef.cpp
@@ -3,27 +3,7 @@
 
 extern CGImageRef SkCreateCGImageRef(const SkBitmap&);
 
-static const void* SkBitmap_GetBytesPointer(void* info) {
-    SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(info);
-    bitmap->lockPixels();
-    return bitmap->getPixels();
-}
-
-static void SkBitmap_ReleaseBytePointer(void* info, const void* pointer) {
-    SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(info);
-    bitmap->unlockPixels();
-}
-
-static size_t SkBitmap_GetBytesAtPosition(void* info, void* buffer,
-                                             off_t offset, size_t count) {
-    SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(info);
-    bitmap->lockPixels();
-    memcpy(buffer, (const char*)bitmap->getPixels() + offset, count);
-    bitmap->unlockPixels();
-    return count;
-}
-
-static void SkBitmap_ReleaseInfo(void* info) {
+static void SkBitmap_ReleaseInfo(void* info, const void* pixelData, size_t size) {
     SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(info);
     delete bitmap;
 }
@@ -67,15 +47,13 @@
     const int h = bitmap->height();
     const size_t s = bitmap->getSize();
 
-    CGDataProviderDirectCallbacks procs;
-    procs.version = 0;
-    procs.getBytePointer = SkBitmap_GetBytesPointer;
-    procs.releaseBytePointer = SkBitmap_ReleaseBytePointer;
-    procs.getBytesAtPosition = SkBitmap_GetBytesAtPosition;
-    procs.releaseInfo = SkBitmap_ReleaseInfo;
-
     // our provider "owns" the bitmap*, and will take care of deleting it
-    CGDataProviderRef dataRef = CGDataProviderCreateDirect(bitmap, s, &procs);
+	// we initially lock it, so we can access the pixels. The bitmap will be deleted in the release
+	// proc, which will in turn unlock the pixels
+	bitmap->lockPixels();
+    CGDataProviderRef dataRef = CGDataProviderCreateWithData(bitmap, bitmap->getPixels(), s,
+															 SkBitmap_ReleaseInfo);
+
     CGColorSpaceRef space = CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB);
     CGImageRef ref = CGImageCreate(w, h, bitsPerComponent,
                                    bitmap->bytesPerPixel() * 8,
diff --git a/src/utils/mac/SkOSWindow_Mac.cpp b/src/utils/mac/SkOSWindow_Mac.cpp
index 2c93721..40ed57c 100644
--- a/src/utils/mac/SkOSWindow_Mac.cpp
+++ b/src/utils/mac/SkOSWindow_Mac.cpp
@@ -203,7 +203,6 @@
         this->update(NULL);
 
         const SkBitmap& bm = this->getBitmap();
-        SkDebugf("------ bitmap %d %d\n", bm.width(), bm.height());
 
         CGImageRef img = SkCreateCGImageRef(bm);
         HIImageViewSetImage((HIViewRef)getHVIEW(), img);
diff --git a/xcode/core/core.xcodeproj/project.pbxproj b/xcode/core/core.xcodeproj/project.pbxproj
index ce3c6c6..99e37b2 100644
--- a/xcode/core/core.xcodeproj/project.pbxproj
+++ b/xcode/core/core.xcodeproj/project.pbxproj
@@ -495,7 +495,6 @@
 		08FB7793FE84155DC02AAC07 /* Project object */ = {
 			isa = PBXProject;
 			buildConfigurationList = 1DEB91EF08733DB70010E9CD /* Build configuration list for PBXProject "core" */;
-			compatibilityVersion = "Xcode 2.4";
 			hasScannedForEncodings = 1;
 			mainGroup = 08FB7794FE84155DC02AAC07 /* core */;
 			projectDirPath = "";
diff --git a/xcode/effects/effects.xcodeproj/project.pbxproj b/xcode/effects/effects.xcodeproj/project.pbxproj
index 5b3773a..eb1b803 100644
--- a/xcode/effects/effects.xcodeproj/project.pbxproj
+++ b/xcode/effects/effects.xcodeproj/project.pbxproj
@@ -3,7 +3,7 @@
 	archiveVersion = 1;
 	classes = {
 	};
-	objectVersion = 44;
+	objectVersion = 42;
 	objects = {
 
 /* Begin PBXBuildFile section */
@@ -200,7 +200,6 @@
 		08FB7793FE84155DC02AAC07 /* Project object */ = {
 			isa = PBXProject;
 			buildConfigurationList = 1DEB91EF08733DB70010E9CD /* Build configuration list for PBXProject "effects" */;
-			compatibilityVersion = "Xcode 3.0";
 			hasScannedForEncodings = 1;
 			mainGroup = 08FB7794FE84155DC02AAC07 /* effects */;
 			projectDirPath = "";
@@ -286,7 +285,7 @@
 				GCC_WARN_ABOUT_RETURN_TYPE = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
 				PREBINDING = NO;
-				SDKROOT = "$(DEVELOPER_SDK_DIR)/MacOSX10.5.sdk";
+				SDKROOT = /Developer/SDKs/MacOSX10.4u.sdk;
 				USER_HEADER_SEARCH_PATHS = "../../include/**";
 			};
 			name = Debug;
@@ -305,7 +304,7 @@
 				GCC_WARN_ABOUT_RETURN_TYPE = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
 				PREBINDING = NO;
-				SDKROOT = "$(DEVELOPER_SDK_DIR)/MacOSX10.5.sdk";
+				SDKROOT = /Developer/SDKs/MacOSX10.4u.sdk;
 				USER_HEADER_SEARCH_PATHS = "../../include/**";
 			};
 			name = Release;
diff --git a/xcode/hostapp/CICarbonSample.xcodeproj/project.pbxproj b/xcode/hostapp/CICarbonSample.xcodeproj/project.pbxproj
index 7c7c0cd..0721403 100644
--- a/xcode/hostapp/CICarbonSample.xcodeproj/project.pbxproj
+++ b/xcode/hostapp/CICarbonSample.xcodeproj/project.pbxproj
@@ -186,7 +186,6 @@
 		20286C28FDCF999611CA2CEA /* Project object */ = {
 			isa = PBXProject;
 			buildConfigurationList = 01E2163D09EDAC6600E66AF8 /* Build configuration list for PBXProject "CICarbonSample" */;
-			compatibilityVersion = "Xcode 2.4";
 			hasScannedForEncodings = 1;
 			mainGroup = 20286C29FDCF999611CA2CEA /* CICarbonSample */;
 			projectDirPath = "";
diff --git a/xcode/hostapp/test.cpp b/xcode/hostapp/test.cpp
index 3b3e119..67f8332 100644
--- a/xcode/hostapp/test.cpp
+++ b/xcode/hostapp/test.cpp
@@ -29,9 +29,15 @@
         gImage = SkCreateCGImageRef(bitmap);
     }
 
-    CGColorRef color = CGColorCreateGenericRGB(1, 1, 1, 1);
+	float components[] = { 1, 1, 1, 1 };
+
+	CGColorSpaceRef colorspace = CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB);
+	CGColorRef color = CGColorCreate(colorspace, components);
+
     CGContextSetFillColorWithColor(cg, color);
     CGColorRelease(color);
+	CGColorSpaceRelease(colorspace);
+
     CGContextFillRect(cg, bounds);
 
     CGRect r = CGRectMake(0, 0, 640, 480);
diff --git a/xcode/maccore/maccore.xcodeproj/project.pbxproj b/xcode/maccore/maccore.xcodeproj/project.pbxproj
index f5bba1b..bcb7c70 100644
--- a/xcode/maccore/maccore.xcodeproj/project.pbxproj
+++ b/xcode/maccore/maccore.xcodeproj/project.pbxproj
@@ -3,7 +3,7 @@
 	archiveVersion = 1;
 	classes = {
 	};
-	objectVersion = 44;
+	objectVersion = 42;
 	objects = {
 
 /* Begin PBXBuildFile section */
@@ -104,7 +104,6 @@
 		08FB7793FE84155DC02AAC07 /* Project object */ = {
 			isa = PBXProject;
 			buildConfigurationList = 1DEB91EF08733DB70010E9CD /* Build configuration list for PBXProject "maccore" */;
-			compatibilityVersion = "Xcode 3.0";
 			hasScannedForEncodings = 1;
 			mainGroup = 08FB7794FE84155DC02AAC07 /* maccore */;
 			projectDirPath = "";
@@ -164,7 +163,7 @@
 				GCC_WARN_ABOUT_RETURN_TYPE = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
 				PREBINDING = NO;
-				SDKROOT = "$(DEVELOPER_SDK_DIR)/MacOSX10.5.sdk";
+				SDKROOT = /Developer/SDKs/MacOSX10.4u.sdk;
 				USER_HEADER_SEARCH_PATHS = "../../include/utils/mac ../../include/ports ../../include/core";
 			};
 			name = Debug;
@@ -183,7 +182,7 @@
 				GCC_WARN_ABOUT_RETURN_TYPE = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
 				PREBINDING = NO;
-				SDKROOT = "$(DEVELOPER_SDK_DIR)/MacOSX10.5.sdk";
+				SDKROOT = /Developer/SDKs/MacOSX10.4u.sdk;
 				USER_HEADER_SEARCH_PATHS = "../../include/utils/mac ../../include/ports ../../include/core";
 			};
 			name = Release;
diff --git a/xcode/sampleapp/SampleApp.xcodeproj/project.pbxproj b/xcode/sampleapp/SampleApp.xcodeproj/project.pbxproj
index 6e4e579..db6aa82 100644
--- a/xcode/sampleapp/SampleApp.xcodeproj/project.pbxproj
+++ b/xcode/sampleapp/SampleApp.xcodeproj/project.pbxproj
@@ -280,7 +280,6 @@
 		20286C28FDCF999611CA2CEA /* Project object */ = {
 			isa = PBXProject;
 			buildConfigurationList = 01E2163D09EDAC6600E66AF8 /* Build configuration list for PBXProject "SampleApp" */;
-			compatibilityVersion = "Xcode 2.4";
 			hasScannedForEncodings = 1;
 			mainGroup = 20286C29FDCF999611CA2CEA /* CICarbonSample */;
 			projectDirPath = "";
@@ -478,6 +477,7 @@
 					SK_DEBUG,
 				);
 				GCC_THREADSAFE_STATICS = NO;
+				SDKROOT = /Developer/SDKs/MacOSX10.4u.sdk;
 				USER_HEADER_SEARCH_PATHS = "../../include/**";
 			};
 			name = Development;
@@ -492,6 +492,7 @@
 					SK_RELEASE,
 				);
 				GCC_THREADSAFE_STATICS = NO;
+				SDKROOT = /Developer/SDKs/MacOSX10.4u.sdk;
 				USER_HEADER_SEARCH_PATHS = "../../include/**";
 			};
 			name = Deployment;
@@ -502,6 +503,7 @@
 				GCC_ENABLE_CPP_EXCEPTIONS = NO;
 				GCC_ENABLE_CPP_RTTI = NO;
 				GCC_THREADSAFE_STATICS = NO;
+				SDKROOT = /Developer/SDKs/MacOSX10.4u.sdk;
 				USER_HEADER_SEARCH_PATHS = "../../include/**";
 			};
 			name = Default;