--- lib-src/enigma-core/ecl_util.hh

+++ lib-src/enigma-core/ecl_util.hh

@@ -19,6 +19,7 @@

 #ifndef ECL_UTIL_HH_INCLUDED

 #define ECL_UTIL_HH_INCLUDED

+#include <algorithm>

 #include <string>

 /* hide GNU extensions for non-gnu compilers: */

--- src/Utf8ToXML.cc

+++ src/Utf8ToXML.cc

@@ -21,6 +21,7 @@

 #include "main.hh"

 #include <xercesc/util/XMLString.hpp>

 #include <xercesc/util/TransService.hpp>

+#include <cstring>

 XERCES_CPP_NAMESPACE_USE

--- src/file.hh

+++ src/file.hh

@@ -22,6 +22,7 @@

 #include <iosfwd>

 #include <vector>

 #include <list>

+#include <memory>

 #include "ecl_error.hh"

 namespace enigma

--- src/gui/widgets.cc

+++ src/gui/widgets.cc

@@ -28,6 +28,7 @@

 #include <cassert>

 #include <algorithm>

 #include <iostream>

+#include <limits.h>

 using namespace enigma::gui;

 using namespace ecl;