-for ac_header in arpa/inet.h fcntl.h netdb.h netinet/in.h sys/ioctl.h sys/socket.h syslog.h
+
+for ac_header in arpa/inet.h fcntl.h netdb.h netinet/in.h sys/ioctl.h sys/socket.h syslog.h linux/types.h
do
as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then