freeradius-snapshot-20061020 make error

Good Day. Such error in freeradius-snapshot-20061020 during "make" What to do? Making all in rlm_acct_unique... gmake[6]: Entering directory `/u01/data/freeradius-snapshot-20061020/src/modules/rlm_acct_unique' /u01/data/freeradius-snapshot-20061020/libtool --mode=compile gcc -g -O2 -I/u01/data/freeradius-snapshot-20061020/src -c rlm_acct_unique.c mkdir .libs gcc -g -O2 -I/u01/data/freeradius-snapshot-20061020/src -c rlm_acct_unique.c -fPIC -DPIC -o .libs/rlm_acct_unique.o In file included from rlm_acct_unique.c:28: /u01/data/freeradius-snapshot-20061020/src/freeradius-devel/radiusd.h:390: error: syntax error before "va_list" Thanks