install problem

I am trying to install postgres-7.1 on a Solaris5.6 machine.  I am getting the following error when I run the
./configure. I am also including my settings. 

Thanks for the help.
Stephen

###ERROR###
checking for rl_completion_append_character... no
checking whether filename_completion_function is declared... no
checking for finite... no
checking for sigsetjmp... no
checking for optreset... no
checking test program... failed
configure: error:
*** Could not execute a simple test program.  This may be a problem
*** related to locating shared libraries.  Check the file 'config.log'
*** for the exact reason.


###SETTINGS###
HOME=/
HZ=100
IFS=

LD_LIBRARY_PATH=/usr/local/lib:/usr/local/ssl/lib
LOGNAME=root
MAILCHECK=600
MANPATH=/opt/SUNWsymon/man:/opt/SUNWvxvm/man:/opt/SUNWvmsa/man:/opt/SUNWvxva/man
MANSECTS=\1l:1:1m:1c:1f:1s:1b:2:\3:3c:3i:3n:3m:3k:3g:3e:3x11:3xt:3w:3b:9:4:5:7:8
NIS_PATH=org_dir.$:$
OPTIND=1
PATH=/opt/gnu/bin:/opt/SUNWsymon/bin:/opt/SUNWvts/bin:/usr/bin:/usr/sbin:/usr/lib/nis:/opt/local/bin/
PS1=#
PS2=>
SHELL=/sbin/sh
SYMONHOME=/opt/SUNWsymon
TERM=sun-cmd