--- D:\Development\ThirdParty\Boost\Current\libs\filesystem\src\operations.cpp.bak	2016-05-06 05:11:33.000000000 +0800
+++ D:\Development\ThirdParty\Boost\Current\libs\filesystem\src\operations.cpp	2016-06-07 18:31:34.000000000 +0800
@@ -878,21 +878,30 @@
   {
     file_status s(symlink_status(from, *ec));
     if (ec != 0 && *ec) return;
 
     if(is_symlink(s))
     {
-      copy_symlink(from, to, *ec);
+	  if (ec)
+        copy_symlink(from, to, *ec);
+	  else
+		((void (*)(const path &, const path &))copy_symlink)(from, to);
     }
     else if(is_directory(s))
     {
-      copy_directory(from, to, *ec);
+	  if (ec)
+        copy_directory(from, to, *ec);
+	  else
+		((void (*)(const path &, const path &))copy_directory)(from, to);
     }
     else if(is_regular_file(s))
     {
-      copy_file(from, to, fs::copy_option::fail_if_exists, *ec);
+	  if (ec)
+        copy_file(from, to, fs::copy_option::fail_if_exists, *ec);
+	  else
+		copy_file(from, to, fs::copy_option::fail_if_exists);
     }
     else
     {
       if (ec == 0)
         BOOST_FILESYSTEM_THROW(filesystem_error("boost::filesystem::copy",
           from, to, error_code(BOOST_ERROR_NOT_SUPPORTED, system_category())));