--- src/main/cpp/stringhelper.cpp	2008-04-01 00:34:09.000000000 +0200
+++ src/main/cpp/stringhelper.cpp	2013-11-22 11:27:50.000000000 +0100
@@ -28,6 +28,7 @@
 #endif
 #include <log4cxx/private/log4cxx_private.h>
 #include <cctype>
+#include <cstdlib>
 #include <apr.h>
 
 
--- src/main/include/log4cxx/helpers/simpledateformat.h	2008-04-01 00:34:26.000000000 +0200
+++ src/main/include/log4cxx/helpers/simpledateformat.h	2013-11-22 11:27:27.000000000 +0100
@@ -27,10 +27,9 @@
 
 #include <log4cxx/helpers/dateformat.h>
 #include <vector>
+#include <locale>
 #include <time.h>
 
-namespace std { class locale; }
-
 namespace log4cxx
 {
         namespace helpers