Hi Paul Hope this helps!? Test (Sun): libpthread.so.1 => /usr/lib/libpthread.so.1 libsocket.so.1 => /usr/lib/libsocket.so.1 libnsl.so.1 => /usr/lib/libnsl.so.1 libdl.so.1 => /usr/lib/libdl.so.1 libthread.so.1 => /usr/lib/libthread.so.1 libm.so.1 => /usr/lib/libm.so.1 libc.so.1 => /usr/lib/libc.so.1 libmp.so.2 => /usr/lib/libmp.so.2 /usr/platform/SUNW,Ultra-80/lib/libc_psr.so.1 Production (Intel): libpthread.so.1 => /usr/lib/libpthread.so.1 libsocket.so.1 => /usr/lib/libsocket.so.1 libnsl.so.1 => /usr/lib/libnsl.so.1 libdl.so.1 => /usr/lib/libdl.so.1 libthread.so.1 => /usr/lib/libthread.so.1 libm.so.1 => /usr/lib/libm.so.1 libc.so.1 => /usr/lib/libc.so.1 libmp.so.2 => /usr/lib/libmp.so.2 Regards Oliver