https://bugs.gentoo.org/218299
--- a/tinyxml/tinyxml.cpp
+++ b/tinyxml/tinyxml.cpp
@@ -25,2 +25,4 @@
 
+#include <cstring>
+
 
--- a/tinyxml/tinyxml.h
+++ b/tinyxml/tinyxml.h
@@ -32,2 +32,3 @@
 
+#include <cstdlib>
 #include <string>
--- a/tinyxml/tinyxmlparser.cpp
+++ b/tinyxml/tinyxmlparser.cpp
@@ -27,2 +27,4 @@
 
+#include <cstring>
+
 const char* TiXmlBase::SkipWhiteSpace( const char* p )
--- a/utils/ResourceManager.cpp
+++ b/utils/ResourceManager.cpp
@@ -24,2 +24,4 @@
 
+#include <cstring>
+
 #ifdef WIN32
--- a/utils/Value.hpp
+++ b/utils/Value.hpp
@@ -17,2 +17,3 @@
 
+#include <cstdlib>
 #include <stdio.h>
--- a/utils/zStream.cpp
+++ b/utils/zStream.cpp
@@ -14,2 +14,3 @@
 //
+#include <cstdlib>
 #include <Trace.hpp>
--- a/utils/zStreamBufferImplZLib.cpp
+++ b/utils/zStreamBufferImplZLib.cpp
@@ -14,2 +14,3 @@
 //
+#include <cstdlib>
 #include <Trace.hpp>