Error with bash 4.0 build

[srinath@…]

~$ sudo port install -d bash ---> Building bash Error: Target org.macports.build returned: shell command " cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_shells_bash/work/bash-4.0" && make all " returned error 2 Command output: rm -f bash /usr/bin/gcc-4.0 -L./builtins -L/opt/local/lib -L/opt/local/lib -L./lib/glob -L./lib/tilde -L./lib/sh -L/opt/local/lib -Wl,-search_paths_first -lncurses -O2 -o bash shell.o eval.o y.tab.o general.o make_cmd.o print_cmd.o dispose_cmd.o execute_cmd.o variables.o copy_cmd.o error.o expr.o flags.o jobs.o subst.o hashcmd.o hashlib.o mailcheck.o trap.o input.o unwind_prot.o pathexp.o sig.o test.o version.o alias.o array.o arrayfunc.o assoc.o braces.o bracecomp.o bashhist.o bashline.o list.o stringlib.o locale.o findcmd.o redir.o pcomplete.o pcomplib.o syntax.o xmalloc.o -lbuiltins -lsh -lreadline -lhistory -lglob -ltilde -lintl -liconv -lc -ldl Undefined symbols:

"_rl_completion_invoking_key", referenced from:

_rl_completion_invoking_key$non_lazy_ptr in pcomplete.o

"_rl_menu_completion_entry_function", referenced from:

_rl_menu_completion_entry_function$non_lazy_ptr in bashline.o

ld: symbol(s) not found collect2: ld returned 1 exit status make: * [bash] Error 1

Error: Status 1 encountered during processing.