Tried both "notp" and "ntop +server". Any ideas? hobbes:~ reddeno$ sudo port install ntop ---> Fetching ntop ---> Verifying checksum(s) for ntop ---> Extracting ntop ---> Configuring ntop ---> Building ntop with target all Error: Target org.macports.build returned: shell command " cd "/opt/ local/var/macports/build/ _opt_local_var_macports_sources_rsync.macports.org_release_ports_net_nto p/work/ntop-3.3" && gnumake all " returned error 2 Command output: gnumake all-recursive Making all in . source='address.c' object='address.lo' libtool=yes \ depfile='.deps/address.Plo' tmpdepfile='.deps/address.TPlo' \ depmode=gcc3 /bin/sh ./depcomp \ /bin/sh ./libtool --mode=compile /usr/bin/gcc-4.0 -DHAVE_CONFIG_H -I. -I. -I. -I. -g -Os -DBUILD=19.1 -DMACOSX_DEPLOYMENT_TARGET=10.4 -I/ System/Library/Frameworks/System.framework/PrivateHeaders -pipe - Ddarwin8 -I. -I/usr/include -I/opt/local/include -DDARWIN -DTIGER - I/usr/local/include -g -no-cpp-precomp -O2 -I/opt/local/include -I/ usr/local/include -g -Wshadow -Wpointer-arith -Wmissing-prototypes - Wmissing-declarations -Wnested-externs -fno-common -DPIC -c -o address.lo `test -f 'address.c' || echo './'`address.c libtool: compile: unable to infer tagged configuration libtool: compile: specify a tag with `--tag' gnumake[2]: *** [address.lo] Error 1 gnumake[1]: *** [all-recursive] Error 1 gnumake: *** [all] Error 2 Error: Status 1 encountered during processing. hobbes:~ reddeno$