How to solve a problem when installing IC5033 on Scientific Linux 5.1

export CDS_ROOT=/home/bogdan/IC5033/
export CDS_INST_DIR=$CDS_ROOT
export CDS_INSTALL_DIR=$CDS_ROOT/tools/dfII

export CDSDIR=$CDS_ROOT/tools
export CDS_Netlisting_Mode=Analog

export MOZILLA_HOME=/usr/bin/netscape
export XKEYSYMDB=$CDS_ROOT/share/cdssetup/tdmX11/XKeysymDB
export XNLSPATH=$CDS_ROOT/share/cdssetup/tdmX11/nls
export CDS_WAVESCAN_JRE_DIR=$CDS_ROOT/tools/jre1.41

export CDS_LIC_FILE=$CDS_ROOT/share/license/cadence_license_full.dat
export LM_LICENSE_FILE=$CDS_ROOT/share/license/cadence_license_full.dat
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$CDS_ROOT/tools/lib:$CDS_INSTALL_DIR/lib

PATH=$PATH:$CDSDIR/bin:$CDSDIR/dfII/bin:$CDSDIR/SKILL06.00/context:$CDSDIR/SKILL06.10/context:$CDSDIR/dracula/bin
# PATH=$PATH:$MMSIM_ROOT/tools/bin:$MMSIM_ROOT/tools/spectre/bin:$CDS_ROOT/tools/bin:$CDS_ROOT/tools/dfII/bin:/usr/sbin
PATH=$CDS_ROOT/tools/bin:$CDS_INSTALL_DIR/bin:$CDS_ROOT/tools/spectre/bin
PATH=$PATH:$CDS_ROOT/tools/bin:$CDS_INSTALL_DIR/bin:$CDS_ROOT/tools/spectre/bin
PATH=$PATH:/bin:/usr/local/bin:/usr/bin:/usr/ucb:/etc:/usr/openwin/bin:/usr/X11R6/bin
export PATH
#----------------------------------------------------------------------------

# .bashrc

# Source global definitions
if [ -f /etc/bashrc ]; then
	. /etc/bashrc
fi

# User specific aliases and functions

[1] 4168
[bogdan@localhost ~]$ /home/bogdan/IC5033/tools/dfII/bin/icfb.exe: relocation error: /home/bogdan/IC5033/tools/dfII/bin/icfb.exe: symbol errno, version GLIBC_2.0 not defined in file libc.so.6 with link time reference

[1]+  Exit 127                icfb

[bogdan@localhost ~]$ icfb&
[1] 4465
[bogdan@localhost ~]$ /bin/sh: error while loading shared libraries: libdl.so.2: cannot open shared object file: No such file or directory

[1]+  Exit 127                icfb
[bogdan@localhost ~]$ ls
ls: error while loading shared libraries: librt.so.1: cannot open shared object file: No such file or directory