не компилируется flowc

застрял при компиляции flowc

Making all in src
make[1]: Entering directory `/home/serg/DELO/flowc-1.6-18.08.2006/src'
make[2]: Entering directory `/home/serg/DELO/flowc-1.6-18.08.2006'
make[2]: Leaving directory `/home/serg/DELO/flowc-1.6-18.08.2006'
gcc -pthread -g -O2 -o flowd flowd.o config_parser.o hash_map.o snmp.o mysql.o traff_counters.o as_set.o redirect.o graph.o proto_set.o log.o free.o debug.o ager_thread.o loader_thread.o graph_thread.o ctl_thread.o radius_thread.o addr_pool.o kick_user.o -L/usr/lib -lreadline -L/usr/lib/mysql -L/usr/lib -lmysqlclient -L/usr/lib -lnetsnmp -lssl -lcurses -lz -lcrypt
radius_thread.o: In function `send_reject_msg':
/home/serg/DELO/flowc-1.6-18.08.2006/src/radius_thread.c:1274: undefined reference to `MD5Init'
/home/serg/DELO/flowc-1.6-18.08.2006/src/radius_thread.c:1275: undefined reference to `MD5Update'
/home/serg/DELO/flowc-1.6-18.08.2006/src/radius_thread.c:1276: undefined reference to `MD5Update'
/home/serg/DELO/flowc-1.6-18.08.2006/src/radius_thread.c:1277: undefined reference to `MD5Update'
/home/serg/DELO/flowc-1.6-18.08.2006/src/radius_thread.c:1278: undefined reference to `MD5Update'
/home/serg/DELO/flowc-1.6-18.08.2006/src/radius_thread.c:1279: undefined reference to `MD5Update'
radius_thread.o:/home/serg/DELO/flowc-1.6-18.08.2006/src/radius_thread.c:1280: more undefined references to `MD5Update' follow
radius_thread.o: In function `send_reject_msg':
/home/serg/DELO/flowc-1.6-18.08.2006/src/radius_thread.c:1281: undefined reference to `MD5Final'
radius_thread.o: In function `send_accept_msg':
/home/serg/DELO/flowc-1.6-18.08.2006/src/radius_thread.c:1230: undefined reference to `MD5Init'
/home/serg/DELO/flowc-1.6-18.08.2006/src/radius_thread.c:1231: undefined reference to `MD5Update'
/home/serg/DELO/flowc-1.6-18.08.2006/src/radius_thread.c:1232: undefined reference to `MD5Update'
/home/serg/DELO/flowc-1.6-18.08.2006/src/radius_thread.c:1233: undefined reference to `MD5Update'
/home/serg/DELO/flowc-1.6-18.08.2006/src/radius_thread.c:1234: undefined reference to `MD5Update'
/home/serg/DELO/flowc-1.6-18.08.2006/src/radius_thread.c:1235: undefined reference to `MD5Update'
radius_thread.o:/home/serg/DELO/flowc-1.6-18.08.2006/src/radius_thread.c:1236: more undefined references to `MD5Update' follow
radius_thread.o: In function `send_accept_msg':
/home/serg/DELO/flowc-1.6-18.08.2006/src/radius_thread.c:1237: undefined reference to `MD5Final'
radius_thread.o: In function `send_acct_response':
/home/serg/DELO/flowc-1.6-18.08.2006/src/radius_thread.c:624: undefined reference to `MD5Init'
/home/serg/DELO/flowc-1.6-18.08.2006/src/radius_thread.c:625: undefined reference to `MD5Update'
/home/serg/DELO/flowc-1.6-18.08.2006/src/radius_thread.c:626: undefined reference to `MD5Update'
/home/serg/DELO/flowc-1.6-18.08.2006/src/radius_thread.c:627: undefined reference to `MD5Update'
/home/serg/DELO/flowc-1.6-18.08.2006/src/radius_thread.c:628: undefined reference to `MD5Update'
/home/serg/DELO/flowc-1.6-18.08.2006/src/radius_thread.c:629: undefined reference to `MD5Update'
/home/serg/DELO/flowc-1.6-18.08.2006/src/radius_thread.c:630: undefined reference to `MD5Final'
radius_thread.o: In function `do_auth':
/home/serg/DELO/flowc-1.6-18.08.2006/src/radius_thread.c:1416: undefined reference to `MD5Init'
/home/serg/DELO/flowc-1.6-18.08.2006/src/radius_thread.c:1417: undefined reference to `MD5Update'
/home/serg/DELO/flowc-1.6-18.08.2006/src/radius_thread.c:1418: undefined reference to `MD5Update'
/home/serg/DELO/flowc-1.6-18.08.2006/src/radius_thread.c:1419: undefined reference to `MD5Update'
/home/serg/DELO/flowc-1.6-18.08.2006/src/radius_thread.c:1420: undefined reference to `MD5Final'
collect2: выполнение ld завершилось с кодом возврата 1
make[1]: *** [flowd] Ошибка 1
make[1]: Leaving directory `/home/serg/DELO/flowc-1.6-18.08.2006/src'
make: *** [all-recursive] Ошибка 1
find . -name *radius*8.08.2006 #
./src/radius_thread.c
./src/radius_thread.o
./src/radius_thread.h
./src/.deps/radius_thread.Po