[Ntop] compile/build error on 2.1 and CVS-7/15

[Bill Pier]

Linux kernel:  2.2.16

: ./confiugre
: make

....

gcc -g -O2 -pipe -o .libs/ntop main.o admin.o  ./.libs/libntopreport.so -lcrypt
-lm -lz -L/ebuilt/packages/ntop-current/gdchart0.94c -lgdchart -L/ebuilt/packages/ntop-current/gdchart0.94c/gd-1.8.3 -lgd -L/ebuilt/packages/ntop-current/gdchart0.94c/gd-1.8.3/libpng-1.2.1 -lpng -L/ebuilt/packages/ntop-current/gdchart0.94c/zlib-1.1.4 -lz -L/usr/lib -lssl -lcrypto -lcrypt -lm -lz -lgdchart -lgd -lpng -lz -lssl -lcrypto ./.libs/libntop.so -lpcap /usr/lib/libgdbm.so -lcrypt -lm -lz -lgdchart -lgd -lpng -lz -lssl -lcrypto -lpthread -lresolv -lnsl -ldl -lcrypt -lm -lz -lgdchart -lgd -lpng -lz -lssl -lcrypto -Wl,--rpath -Wl,/usr/local/lib
./.libs/libntop.so: undefined reference to `ERR_error_string_n'
collect2: ld returned 1 exit status
make[2]: *** [ntop] Error 1

Any similar build experiences?

Bill Pier
eBuilt, Inc.
Costa Mesa, CA, USA