diff --git a/mac_build/boinc.xcodeproj/project.pbxproj b/mac_build/boinc.xcodeproj/project.pbxproj
index ba07371a3a..370e8c9fa7 100755
--- a/mac_build/boinc.xcodeproj/project.pbxproj
+++ b/mac_build/boinc.xcodeproj/project.pbxproj
@@ -3254,8 +3254,8 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				DEBUG_INFORMATION_FORMAT = stabs;
-				GCC_INLINES_ARE_PRIVATE_EXTERN = NO;
-				GCC_SYMBOLS_PRIVATE_EXTERN = NO;
+				GCC_INLINES_ARE_PRIVATE_EXTERN = YES;
+				GCC_SYMBOLS_PRIVATE_EXTERN = YES;
 				GCC_VERSION_ppc = 3.3;
 				OTHER_LDFLAGS = "-lboinc";
 				PRODUCT_NAME = boinccmd;
@@ -3266,8 +3266,8 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				DEBUG_INFORMATION_FORMAT = stabs;
-				GCC_INLINES_ARE_PRIVATE_EXTERN = NO;
-				GCC_SYMBOLS_PRIVATE_EXTERN = NO;
+				GCC_INLINES_ARE_PRIVATE_EXTERN = YES;
+				GCC_SYMBOLS_PRIVATE_EXTERN = YES;
 				GCC_VERSION_ppc = 3.3;
 				OTHER_LDFLAGS = "-lboinc";
 				PRODUCT_NAME = boinccmd;
@@ -3733,8 +3733,8 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				DEBUG_INFORMATION_FORMAT = stabs;
-				GCC_INLINES_ARE_PRIVATE_EXTERN = NO;
-				GCC_SYMBOLS_PRIVATE_EXTERN = NO;
+				GCC_INLINES_ARE_PRIVATE_EXTERN = YES;
+				GCC_SYMBOLS_PRIVATE_EXTERN = YES;
 				GCC_VERSION_ppc = 3.3;
 				OTHER_LDFLAGS = "-lboinc";
 				PRODUCT_NAME = boinccmd;
@@ -4092,8 +4092,8 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				DEBUG_INFORMATION_FORMAT = stabs;
-				GCC_INLINES_ARE_PRIVATE_EXTERN = NO;
-				GCC_SYMBOLS_PRIVATE_EXTERN = NO;
+				GCC_INLINES_ARE_PRIVATE_EXTERN = YES;
+				GCC_SYMBOLS_PRIVATE_EXTERN = YES;
 				GCC_VERSION_ppc = 3.3;
 				OTHER_LDFLAGS = "-lboinc";
 				PRODUCT_NAME = boinccmd;
@@ -4425,8 +4425,8 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				DEBUG_INFORMATION_FORMAT = stabs;
-				GCC_INLINES_ARE_PRIVATE_EXTERN = NO;
-				GCC_SYMBOLS_PRIVATE_EXTERN = NO;
+				GCC_INLINES_ARE_PRIVATE_EXTERN = YES;
+				GCC_SYMBOLS_PRIVATE_EXTERN = YES;
 				GCC_VERSION_ppc = 3.3;
 				OTHER_LDFLAGS = "-lboinc";
 				PRODUCT_NAME = boinccmd;
@@ -4437,8 +4437,8 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				DEBUG_INFORMATION_FORMAT = stabs;
-				GCC_INLINES_ARE_PRIVATE_EXTERN = NO;
-				GCC_SYMBOLS_PRIVATE_EXTERN = NO;
+				GCC_INLINES_ARE_PRIVATE_EXTERN = YES;
+				GCC_SYMBOLS_PRIVATE_EXTERN = YES;
 				GCC_VERSION_ppc = 3.3;
 				OTHER_LDFLAGS = "-lboinc";
 				PRODUCT_NAME = boinccmd;
@@ -4700,8 +4700,8 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				DEBUG_INFORMATION_FORMAT = stabs;
-				GCC_INLINES_ARE_PRIVATE_EXTERN = NO;
-				GCC_SYMBOLS_PRIVATE_EXTERN = NO;
+				GCC_INLINES_ARE_PRIVATE_EXTERN = YES;
+				GCC_SYMBOLS_PRIVATE_EXTERN = YES;
 				GCC_VERSION_ppc = 3.3;
 				OTHER_LDFLAGS = "-lboinc";
 				PRODUCT_NAME = boinccmd;