diff --git a/checkin_notes b/checkin_notes
index faf774d73d..93217f3319 100644
--- a/checkin_notes
+++ b/checkin_notes
@@ -2975,8 +2975,12 @@ Eric K  April 1 2008
         graphics2_util.C
 
 Charlie April 1 2008
-    - Mac: Remove -fvisibility* compiler flags from BOINC library builds.
+    - Mac: Fix compiler warning.
+    - Mac: Remove -fvisibility* compiler flags from BOINC library builds 
+        and boinc_cmd build.
     
+    client/
+        hostinfo_unix.C
     mac_build/
         boinc.xcodeproj/
             project.pbxproj
diff --git a/client/hostinfo_unix.C b/client/hostinfo_unix.C
index b36c1ac290..61f0e178d3 100644
--- a/client/hostinfo_unix.C
+++ b/client/hostinfo_unix.C
@@ -917,7 +917,7 @@ inline bool all_tty_idle(time_t t) {
     // segfault when called.  This implementation is better.
     static std::vector<std::string> tty_list;
     struct stat sbuf;
-    int i;
+    unsigned int i;
 
     if (tty_list.size()==0) tty_list=get_tty_list();
     for (i=0; i<tty_list.size(); i++) {
diff --git a/mac_build/boinc.xcodeproj/project.pbxproj b/mac_build/boinc.xcodeproj/project.pbxproj
index 6c498d7f8b..bdad64cc92 100755
--- a/mac_build/boinc.xcodeproj/project.pbxproj
+++ b/mac_build/boinc.xcodeproj/project.pbxproj
@@ -3272,6 +3272,8 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				DEBUG_INFORMATION_FORMAT = stabs;
+				GCC_INLINES_ARE_PRIVATE_EXTERN = NO;
+				GCC_SYMBOLS_PRIVATE_EXTERN = NO;
 				GCC_VERSION_ppc = 3.3;
 				OTHER_LDFLAGS = "-lboinc";
 				PRODUCT_NAME = boinc_cmd;
@@ -3282,6 +3284,8 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				DEBUG_INFORMATION_FORMAT = stabs;
+				GCC_INLINES_ARE_PRIVATE_EXTERN = NO;
+				GCC_SYMBOLS_PRIVATE_EXTERN = NO;
 				GCC_VERSION_ppc = 3.3;
 				OTHER_LDFLAGS = "-lboinc";
 				PRODUCT_NAME = boinc_cmd;
@@ -3747,6 +3751,8 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				DEBUG_INFORMATION_FORMAT = stabs;
+				GCC_INLINES_ARE_PRIVATE_EXTERN = NO;
+				GCC_SYMBOLS_PRIVATE_EXTERN = NO;
 				GCC_VERSION_ppc = 3.3;
 				OTHER_LDFLAGS = "-lboinc";
 				PRODUCT_NAME = boinc_cmd;
@@ -4104,6 +4110,8 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				DEBUG_INFORMATION_FORMAT = stabs;
+				GCC_INLINES_ARE_PRIVATE_EXTERN = NO;
+				GCC_SYMBOLS_PRIVATE_EXTERN = NO;
 				GCC_VERSION_ppc = 3.3;
 				OTHER_LDFLAGS = "-lboinc";
 				PRODUCT_NAME = boinc_cmd;
@@ -4435,6 +4443,8 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				DEBUG_INFORMATION_FORMAT = stabs;
+				GCC_INLINES_ARE_PRIVATE_EXTERN = NO;
+				GCC_SYMBOLS_PRIVATE_EXTERN = NO;
 				GCC_VERSION_ppc = 3.3;
 				OTHER_LDFLAGS = "-lboinc";
 				PRODUCT_NAME = boinc_cmd;
@@ -4445,6 +4455,8 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				DEBUG_INFORMATION_FORMAT = stabs;
+				GCC_INLINES_ARE_PRIVATE_EXTERN = NO;
+				GCC_SYMBOLS_PRIVATE_EXTERN = NO;
 				GCC_VERSION_ppc = 3.3;
 				OTHER_LDFLAGS = "-lboinc";
 				PRODUCT_NAME = boinc_cmd;
@@ -4706,6 +4718,8 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				DEBUG_INFORMATION_FORMAT = stabs;
+				GCC_INLINES_ARE_PRIVATE_EXTERN = NO;
+				GCC_SYMBOLS_PRIVATE_EXTERN = NO;
 				GCC_VERSION_ppc = 3.3;
 				OTHER_LDFLAGS = "-lboinc";
 				PRODUCT_NAME = boinc_cmd;