Xlogdump compiling error : undefined reference to `ber_sockbuf_io_udp'

[root@db1002 xlogdump]# make
/usr/bin/gcc -O2 -Wall -Wmissing-prototypes -Wpointer-arith -Wdeclaration-after-statement -Wendif-labels -Wmissing-format-attribute -Wformat-security -fno-strict-aliasing -fwrapv strlcpy.o xlogdump.o xlogdump_rmgr.o xlogdump_statement.o xlogdump_oid2name.o -L/opt/PostgresPlus/9.2AS/lib -lpgport -L/opt/PostgresPlus/9.2AS/lib -lpq -L/opt/PostgresPlus/9.2AS/lib -L/opt/libxml2-2.7.8/inst/lib  -L/opt/libxslt-1.1.26/inst/lib -L/opt/libiconv-1.14/inst/lib -L/opt/openldap-2.4.31/inst/lib -L/opt/krb5-1.10.1/inst/lib -L/opt/openssl-1.0.1c/inst/lib -L/opt/libedit-20120311-3.0/inst/lib -L/opt/ncurses-5.9/inst/lib -L/opt/uuid-1.6.2/inst/lib -L/opt/libmemcached-1.0.7/inst/lib -Wl,--as-needed -Wl,-rpath,'/opt/PostgresPlus/9.2AS/lib',--enable-new-dtags  -lpgport -lmemcached -lxslt -lxml2 -lpam -lssl -lcrypto -lgssapi_krb5 -lz -ledit -lcrypt -lxml2 -lm  -o xlogdump
/usr/bin/ld: warning: libssl.so.1.0.0, needed by /opt/PostgresPlus/9.2AS/lib/libpq.so, may conflict with libssl.so.10
/lib64/libldap_r-2.4.so.2: undefined reference to `ber_sockbuf_io_udp'
collect2: ld returned 1 exit status
make: *** [xlogdump] Error 1
[root@db1002 xlogdump]#

I need to use xlogdump to analyse my xlog files in postgresql to understand why there are so much xlog generation on Master.

Thanks