diff -uNrp boinc_core_release_6_4_5/lib/str_util.h boinc_core_release_6_4_5p/lib/str_util.h
--- boinc_core_release_6_4_5/lib/str_util.h	2009-02-07 10:15:12.000000000 +0100
+++ boinc_core_release_6_4_5p/lib/str_util.h	2009-05-31 23:02:27.000000000 +0200
@@ -17,6 +17,7 @@
 
 #ifndef STR_UTIL_H
 #define STR_UTIL_H
+#define HAVE_STRCASESTR
 
 #include <cstdlib>
 #include <ctime>