dyld trap error on os x 10.2.1

[lab]

Configuration Information [Automatically generated, do not change]:
Machine: powerpc
OS: macosx
Compiler: cc
Compilation CFLAGS:  -DPROGRAM='bash' -DCONF_HOSTTYPE='powerpc' 
-DCONF_OSTYPE='macosx' -DCONF_MACHTYPE='powerpc-apple-macosx' 
-DCONF_VENDOR='apple' -DSHELL -DHAVE_CONFIG_H   -I.  -I. -I./include -I./lib 
-I/usr/local/include -O3 -I/usr/local/lib -L/usr/local/lib -traditional-cpp
uname output: Darwin biophys.nidcd.nih.gov 6.1 Darwin Kernel Version 6.1: Fri 
Sep  6 23:24:34 PDT 2002; root:xnu/xnu-344.2.obj~2/RELEASE_PPC  Power Macintosh 
powerpc
Machine Type: powerpc-apple-macosx

Bash Version: 2.05
Patch Level: 0
Release Status: release

Description
        bash does not start after ungrading to 10.2.1. The log is as follows:

        [biophys:~] lab% bash
        dyld: bash Undefined symbols:
        _tgetent
        _tgetflag
        _tgetnum
        _tgetstr
        _tgoto
        _tputs
        Trace/BPT trap