Improve check for code signatures

compile_macosx.sh

@@ -74,6 +74,11 @@ if [ $# -gt 4 ]
   then
     chmod +x $WORK_DIR/macosx_codesign.sh
     bash $WORK_DIR/macosx_codesign.sh $(pwd) "$5" $6 $7 $8 $9
+    retVal=$?
+    if [ $retVal -ne 0 ]; then
+        echo "Binaries are not correctly signed"
+        exit 1
+    fi
 fi
 
 #Pack binary_distrib