when i compiled the gtk-gnutella i have this error message:

gcc -DHAVE_CONFIG_H -I. -I. -I.. -I/usr/include/gtk-1.2 -I/usr/include/glib-1.2 -I/usr/lib/glib/include -I/usr/X11R6/include -g -O2 -Wall -c search.c
In file included from /usr/local/include/boost/cregex.hpp:27,
from /usr/local/include/regex.h:26,
from filter.h:6,
from search.c:10:
/usr/local/include/boost/regex/detail/regex_config.hpp:288:21: string: Aucun fichier ou répertoire de ce type