Boost install failure: seems like makefile configure

My env: Macbook Pro Leopard 10.5.1 with dev tools Here is the transcript of the install attempt: $sudo port -v install boost ---> Building boost with target all Makefile:2: *** missing separator. Stop. Error: Target org.macports.build returned: shell command " cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_devel_boost/work/boost_1_34_1" && gmake all " returned error 2 Command output: Makefile:2: *** missing separator. Stop. Warning: the following items did not execute (for boost): org.macports.activate org.macports.build org.macports.destroot org.macports.install Error: Status 1 encountered during processing.