[Serusers] error by ser-2.1

hi everyone, when i compile new version i get follow error: make[1]: Entering directory `/net/u/ntm/Desktop/ser- 2.1.0+cvs20070404/modules/auth_db' make[1]: Leaving directory `/net/u/ntm/Desktop/ser- 2.1.0+cvs20070404/modules/auth_db' make[1]: Entering directory `/net/u/ntm/Desktop/ser- 2.1.0+cvs20070404/modules/auth_db' gcc -fPIC -DPIC -g -O9 -funroll-loops -Wcast-align -minline-all-stringops -falign-loops -ftree-vectorize -mtune=athlon64 -Wall -DNAME='"ser"' -DVERSION='"2.1.0+cvs20070404"' -DARCH='"i386"' -DOS='linux_' -DOS_QUOTED='"linux"' -DCOMPILER='"gcc 4.1.2"' -D__CPU_i386 -D__OS_linux -DSER_VER=2001000 -DCFG_DIR='"/usr/local/etc/ser/"' -DPKG_MALLOC -DSHM_MEM -DSHM_MMAP -DDNS_IP_HACK -DUSE_IPV6 -DUSE_MCAST -DUSE_TCP -DDISABLE_NAGLE -DHAVE_RESOLV_RES -DUSE_DNS_CACHE -DUSE_DNS_FAILOVER -DUSE_DST_BLACKLIST -DDBG_QM_MALLOC -DUSE_TLS -DTLS_HOOKS -DFAST_LOCK -DADAPTIVE_WAIT -DADAPTIVE_WAIT_LOOPS=1024 -DCC_GCC_LIKE_ASM -DHAVE_GETHOSTBYNAME2 -DHAVE_UNION_SEMUN -DHAVE_SCHED_YIELD -DHAVE_MSG_NOSIGNAL -DHAVE_MSGHDR_MSG_CONTROL -DHAVE_ALLOCA_H -DHAVE_TIMEGM -DHAVE_EPOLL -DHAVE_SIGIO_RT -DSIGINFO64_WORKARROUND -DHAVE_SELECT -c authdb_mod.c -o authdb_mod.o In file included from authdb_mod.c:49: authdb_mod.h:57: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'auth_dbf' authdb_mod.c:106: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'auth_dbf' authdb_mod.c: In function 'child_init': authdb_mod.c:165: error: 'auth_dbf' undeclared (first use in this function) authdb_mod.c:165: error: (Each undeclared identifier is reported only once authdb_mod.c:165: error: for each function it appears in.) authdb_mod.c: In function 'mod_init': authdb_mod.c:180: warning: implicit declaration of function 'bind_dbmod' authdb_mod.c:180: error: 'auth_dbf' undeclared (first use in this function) authdb_mod.c: In function 'destroy': authdb_mod.c:206: error: 'auth_dbf' undeclared (first use in this function) authdb_mod.c: In function 'authdb_fixup': authdb_mod.c:226: error: 'auth_dbf' undeclared (first use in this function) authdb_mod.c:231: warning: implicit declaration of function 'table_version' make[1]: *** [authdb_mod.o] Error 1 make[1]: Leaving directory `/net/u/ntm/Desktop/ser- 2.1.0+cvs20070404/modules/auth_db' make: *** [modules] Error 1 anyone know why and how correct it. thanks T.