Mac: update sample code to allow building with Xcode 4.4 GM seed under OS 10.8 GM seed

svn path=/trunk/boinc/; revision=25867

checkin_notes

@@ -4882,6 +4882,8 @@ Charlie 12 July 2012
         under OS 10.8 GM seed.
 
     samples/
+        example_app/
+            MakeMacExample.sh
         mac_build/
             UpperCase2.xcodeproj/
                 project.pbxproj
@@ -4889,3 +4891,5 @@ Charlie 12 July 2012
             BuildMacVboxWrapper.sh
             vboxwrapper.xcodeproj/
                 project.pbxproj
+        wrapper/
+            BuildMacWrapper.sh

samples/example_app/MakeMacExample.sh

@@ -22,7 +22,7 @@
 #
 # by Charlie Fenton 2/16/10
 # Updated 10/11/10 for XCode 3.2 and OS 10.6 
-# Updated 7/10/12 for Xcode 4.3 and later which are not at a fixed address
+# Updated 7/12/12 for Xcode 4.3 and later which are not at a fixed address
 #
 ## This script requires OS 10.6 or later
 #
@@ -41,19 +41,19 @@
 GCCPATH=`xcrun -find gcc`
 if [  $? -ne 0 ]; then
     echo "ERROR: can't find gcc compiler"
-    return 1
+    exit 1
 fi
 
 GPPPATH=`xcrun -find g++`
 if [  $? -ne 0 ]; then
     echo "ERROR: can't find g++ compiler"
-    return 1
+    exit 1
 fi
 
 MAKEPATH=`xcrun -find make`
 if [  $? -ne 0 ]; then
     echo "ERROR: can't find make tool"
-    return 1
+    exit 1
 fi
 
 TOOLSPATH1=${MAKEPATH%/make}
@@ -61,7 +61,7 @@ TOOLSPATH1=${MAKEPATH%/make}
 ARPATH=`xcrun -find ar`
 if [  $? -ne 0 ]; then
     echo "ERROR: can't find ar tool"
-    return 1
+    exit 1
 fi
 
 TOOLSPATH2=${ARPATH%/ar}

samples/wrapper/BuildMacWrapper.sh

@@ -22,7 +22,7 @@
 #
 # by Charlie Fenton 2/15/10
 # Updated 11/16/11 for XCode 4.1 and OS 10.7 
-# Updated 7/10/12 for Xcode 4.3 and later which are not at a fixed address
+# Updated 7/12/12 for Xcode 4.3 and later which are not at a fixed address
 #
 ## This script requires OS 10.6 or later
 #
@@ -41,19 +41,19 @@
 GCCPATH=`xcrun -find gcc`
 if [  $? -ne 0 ]; then
     echo "ERROR: can't find gcc compiler"
-    return 1
+    exit 1
 fi
 
 GPPPATH=`xcrun -find g++`
 if [  $? -ne 0 ]; then
     echo "ERROR: can't find g++ compiler"
-    return 1
+    exit 1
 fi
 
 MAKEPATH=`xcrun -find make`
 if [  $? -ne 0 ]; then
     echo "ERROR: can't find make tool"
-    return 1
+    exit 1
 fi
 
 TOOLSPATH1=${MAKEPATH%/make}
@@ -61,7 +61,7 @@ TOOLSPATH1=${MAKEPATH%/make}
 ARPATH=`xcrun -find ar`
 if [  $? -ne 0 ]; then
     echo "ERROR: can't find ar tool"
-    return 1
+    exit 1
 fi
 
 TOOLSPATH2=${ARPATH%/ar}