diff -ur gnucap-0.35.old/modelgen/md.h gnucap-0.35/modelgen/md.h
--- gnucap-0.35.old/modelgen/md.h	2008-12-20 07:06:47.000000000 +0200
+++ gnucap-0.35/modelgen/md.h	2008-12-20 07:24:47.000000000 +0200
@@ -44,6 +44,7 @@
 #include <csetjmp>
 #include <csignal>
 #include <iostream>
+#include <cstring>
 // types
 #include <complex>
 #include <string>
diff -ur gnucap-0.35.old/src/md.h gnucap-0.35/src/md.h
--- gnucap-0.35.old/src/md.h	2008-12-20 07:06:47.000000000 +0200
+++ gnucap-0.35/src/md.h	2008-12-20 07:18:54.000000000 +0200
@@ -44,6 +44,7 @@
 #include <csetjmp>
 #include <csignal>
 #include <iostream>
+#include <cstring>
 // types
 #include <complex>
 #include <string>