diff --git a/Picodrive.xcodeproj/project.pbxproj b/Picodrive.xcodeproj/project.pbxproj
index f177c60..974cb1c 100644
--- a/Picodrive.xcodeproj/project.pbxproj
+++ b/Picodrive.xcodeproj/project.pbxproj
@@ -1439,7 +1439,7 @@
 			isa = PBXProject;
 			attributes = {
 				BuildIndependentTargetsInParallel = YES;
-				LastUpgradeCheck = 0430;
+				LastUpgradeCheck = 0500;
 			};
 			buildConfigurationList = 1DEB913E08733D840010E9CD /* Build configuration list for PBXProject "Picodrive" */;
 			compatibilityVersion = "Xcode 3.2";
@@ -1604,6 +1604,7 @@
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
 				CLANG_ENABLE_OBJC_ARC = YES;
+				COMBINE_HIDPI_IMAGES = YES;
 				GCC_C_LANGUAGE_STANDARD = gnu99;
 				HEADER_SEARCH_PATHS = (
 					"\"$(SRCROOT)/../OpenEmu\"/**",
@@ -1632,6 +1633,7 @@
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
 				CLANG_ENABLE_OBJC_ARC = YES;
+				COMBINE_HIDPI_IMAGES = YES;
 				GCC_C_LANGUAGE_STANDARD = gnu99;
 				HEADER_SEARCH_PATHS = (
 					"\"$(SRCROOT)/../OpenEmu\"/**",
@@ -1658,7 +1660,13 @@
 		1DEB913F08733D840010E9CD /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				ARCHS = "$(ARCHS_STANDARD_64_BIT)";
+				CLANG_ENABLE_MODULES = YES;
+				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_EMPTY_BODY = YES;
+				CLANG_WARN_ENUM_CONVERSION = YES;
+				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
 				GCC_C_LANGUAGE_STANDARD = c99;
 				GCC_INCREASE_PRECOMPILED_HEADER_SHARING = YES;
@@ -1666,8 +1674,12 @@
 				GCC_SYMBOLS_PRIVATE_EXTERN = YES;
 				GCC_VERSION = com.apple.compilers.llvm.clang.1_0;
 				GCC_WARN_ABOUT_RETURN_TYPE = YES;
+				GCC_WARN_UNDECLARED_SELECTOR = YES;
+				GCC_WARN_UNINITIALIZED_AUTOS = YES;
+				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
 				MACOSX_DEPLOYMENT_TARGET = 10.7;
+				ONLY_ACTIVE_ARCH = YES;
 				OTHER_CFLAGS = "";
 				SDKROOT = macosx;
 			};
@@ -1676,7 +1688,13 @@
 		1DEB914008733D840010E9CD /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				ARCHS = "$(ARCHS_STANDARD_64_BIT)";
+				CLANG_ENABLE_MODULES = YES;
+				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_EMPTY_BODY = YES;
+				CLANG_WARN_ENUM_CONVERSION = YES;
+				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				DEAD_CODE_STRIPPING = YES;
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
 				GCC_C_LANGUAGE_STANDARD = c99;
@@ -1685,6 +1703,9 @@
 				GCC_SYMBOLS_PRIVATE_EXTERN = YES;
 				GCC_VERSION = com.apple.compilers.llvm.clang.1_0;
 				GCC_WARN_ABOUT_RETURN_TYPE = YES;
+				GCC_WARN_UNDECLARED_SELECTOR = YES;
+				GCC_WARN_UNINITIALIZED_AUTOS = YES;
+				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
 				MACOSX_DEPLOYMENT_TARGET = 10.7;
 				OTHER_CFLAGS = "";
@@ -1722,7 +1743,6 @@
 		8230C7D310AFCB0600412F24 /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				ARCHS = "$(ARCHS_STANDARD_64_BIT)";
 				INSTALL_PATH = "\"$(USER_LIBRARY_DIR)/Application Support/OpenEmu/Cores\"";
 				PRODUCT_NAME = Distribution;
 				SKIP_INSTALL = YES;