diff --git a/zip/boinc_zip.xcodeproj/project.pbxproj b/zip/boinc_zip.xcodeproj/project.pbxproj
index 9785ba9ed1..7150c96f65 100644
--- a/zip/boinc_zip.xcodeproj/project.pbxproj
+++ b/zip/boinc_zip.xcodeproj/project.pbxproj
@@ -271,6 +271,8 @@
 /* Begin PBXProject section */
 		08FB7793FE84155DC02AAC07 /* Project object */ = {
 			isa = PBXProject;
+			attributes = {
+			};
 			buildConfigurationList = 1DEB91EF08733DB70010E9CD /* Build configuration list for PBXProject "boinc_zip" */;
 			compatibilityVersion = "Xcode 3.1";
 			developmentRegion = English;
@@ -374,6 +376,7 @@
 				COPY_PHASE_STRIP = NO;
 				GCC_DYNAMIC_NO_PIC = NO;
 				GCC_ENABLE_FIX_AND_CONTINUE = YES;
+				GCC_INLINES_ARE_PRIVATE_EXTERN = YES;
 				GCC_OPTIMIZATION_LEVEL = 0;
 				GCC_PREPROCESSOR_DEFINITIONS = (
 					_THREAD_SAFE,
@@ -381,6 +384,7 @@
 					DLL,
 					PIC,
 				);
+				GCC_SYMBOLS_PRIVATE_EXTERN = YES;
 				HEADER_SEARCH_PATHS = (
 					./,
 					../,
@@ -389,6 +393,7 @@
 					../lib/,
 				);
 				INSTALL_PATH = /usr/local/lib;
+				MACOSX_DEPLOYMENT_TARGET = 10.6;
 				OTHER_CFLAGS = (
 					"-I../",
 					"-Izip",
@@ -415,12 +420,14 @@
 				ALWAYS_SEARCH_USER_PATHS = NO;
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
 				GCC_GENERATE_DEBUGGING_SYMBOLS = NO;
+				GCC_INLINES_ARE_PRIVATE_EXTERN = YES;
 				GCC_PREPROCESSOR_DEFINITIONS = (
 					_THREAD_SAFE,
 					UNIX,
 					DLL,
 					PIC,
 				);
+				GCC_SYMBOLS_PRIVATE_EXTERN = YES;
 				HEADER_SEARCH_PATHS = (
 					./,
 					../,
@@ -429,6 +436,7 @@
 					../lib/,
 				);
 				INSTALL_PATH = /usr/local/lib;
+				MACOSX_DEPLOYMENT_TARGET = 10.6;
 				OTHER_CFLAGS = (
 					"-I../",
 					"-Izip",
@@ -453,14 +461,14 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ARCHS = "$(ARCHS_STANDARD_32_64_BIT)";
-				GCC_C_LANGUAGE_STANDARD = c99;
+				GCC_C_LANGUAGE_STANDARD = "compiler-default";
 				GCC_OPTIMIZATION_LEVEL = 0;
-				GCC_VERSION = com.apple.compilers.llvm.clang.1_0;
 				GCC_WARN_ABOUT_RETURN_TYPE = YES;
 				GCC_WARN_TYPECHECK_CALLS_TO_PRINTF = NO;
 				GCC_WARN_UNUSED_VARIABLE = NO;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = macosx;
+				STRINGS_FILE_OUTPUT_ENCODING = "UTF-8";
 			};
 			name = Development;
 		};
@@ -468,12 +476,12 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ARCHS = "$(ARCHS_STANDARD_32_64_BIT)";
-				GCC_C_LANGUAGE_STANDARD = c99;
-				GCC_VERSION = com.apple.compilers.llvm.clang.1_0;
+				GCC_C_LANGUAGE_STANDARD = "compiler-default";
 				GCC_WARN_ABOUT_RETURN_TYPE = YES;
 				GCC_WARN_TYPECHECK_CALLS_TO_PRINTF = NO;
 				GCC_WARN_UNUSED_VARIABLE = NO;
 				SDKROOT = macosx;
+				STRINGS_FILE_OUTPUT_ENCODING = "UTF-8";
 			};
 			name = Deployment;
 		};
@@ -482,10 +490,8 @@
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
 				ARCHS = "$(ARCHS_STANDARD_32_64_BIT)";
-				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				COPY_PHASE_STRIP = NO;
-				GCC_C_LANGUAGE_STANDARD = gnu99;
 				GCC_DYNAMIC_NO_PIC = NO;
 				GCC_ENABLE_OBJC_EXCEPTIONS = YES;
 				GCC_OPTIMIZATION_LEVEL = 0;
@@ -508,7 +514,6 @@
 					"-lz",
 				);
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SDKROOT = macosx;
 			};
 			name = Development;
 		};
@@ -517,11 +522,9 @@
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
 				ARCHS = "$(ARCHS_STANDARD_32_64_BIT)";
-				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				COPY_PHASE_STRIP = YES;
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
-				GCC_C_LANGUAGE_STANDARD = gnu99;
 				GCC_ENABLE_OBJC_EXCEPTIONS = YES;
 				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
 				GCC_WARN_ABOUT_RETURN_TYPE = YES;
@@ -536,7 +539,6 @@
 					"-lz",
 				);
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SDKROOT = macosx;
 			};
 			name = Deployment;
 		};
@@ -545,10 +547,8 @@
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
 				ARCHS = "$(ARCHS_STANDARD_32_64_BIT)";
-				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				COPY_PHASE_STRIP = NO;
-				GCC_C_LANGUAGE_STANDARD = gnu99;
 				GCC_DYNAMIC_NO_PIC = NO;
 				GCC_ENABLE_OBJC_EXCEPTIONS = YES;
 				GCC_OPTIMIZATION_LEVEL = 0;
@@ -571,7 +571,6 @@
 					"-lboinc_api",
 				);
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SDKROOT = macosx;
 			};
 			name = Development;
 		};
@@ -580,11 +579,9 @@
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
 				ARCHS = "$(ARCHS_STANDARD_32_64_BIT)";
-				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				COPY_PHASE_STRIP = YES;
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
-				GCC_C_LANGUAGE_STANDARD = gnu99;
 				GCC_ENABLE_OBJC_EXCEPTIONS = YES;
 				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
 				GCC_WARN_ABOUT_RETURN_TYPE = YES;
@@ -599,7 +596,6 @@
 					"-lboinc_api",
 				);
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SDKROOT = macosx;
 			};
 			name = Deployment;
 		};