rtorrent make error on debian/nslu2

Trying to install rtorrent on a NSLU2/Debian....
make ends thusly:

g++ -O2 -Wall -g -DDEBUG -I/usr/local/include -I/usr/include/sigc++-2.0
-I/usr/lib/sigc++-2.0/include -o rtorrent command_scheduler.o
command_scheduler_item.o control.o globals.o main.o
option_handler_rules.o option_parser.o signal_handler.o
../src/ui/libsub_ui.a ../src/core/libsub_core.a
../src/display/libsub_display.a ../src/input/libsub_input.a
../src/utils/libsub_utils.a -lncurses -L/usr/local/lib
/usr/local/lib/libtorrent.so /usr/lib/libsigc-2.0.so -L/usr/lib
/usr/lib/libcurl.so -lgssapi_krb5 -lkrb5 -lk5crypto -lkrb5support
-lcom_err -lresolv /usr/lib/libidn.so -ldl -lssl -lcrypto -lz
-Wl,--rpath -Wl,/usr/local/lib -Wl,--rpath -Wl,/usr/local/lib
/usr/bin/ld: /usr/local/lib/libtorrent.so: invalid string offset
16531528 >= 22026 for section `.dynstr'
make[3]: Leaving directory `/opt/install/rtorrent-0.7.1/src'
make[2]: Leaving directory `/opt/install/rtorrent-0.7.1/src'
make[2]: Entering directory `/opt/install/rtorrent-0.7.1'
make[2]: Nothing to be done for `all-am'.
make[2]: Leaving directory `/opt/install/rtorrent-0.7.1'
make[1]: Leaving directory `/opt/install/rtorrent-0.7.1'

I don't know where to go from here...
What does "invalid string offset" mean?
-- 
Al