diff -p -up yacas-1.2.2/manmake/manripper.cpp.gcc43 yacas-1.2.2/manmake/manripper.cpp
--- yacas-1.2.2/manmake/manripper.cpp.gcc43	2009-05-24 23:12:06.000000000 +0200
+++ yacas-1.2.2/manmake/manripper.cpp	2009-05-24 23:16:29.000000000 +0200
@@ -1,3 +1,4 @@
+#include <cstring>
 
 #include <stdio.h>
 #include <ctype.h>