[Exim] Failing on "make"

Hi there,

Just trying to install Exim and getting the error below in the "make" step
..... Can anyone shed some light on this please ????

Rgds
Trev

awk '{ print ($1+1) }' cnumber.h > cnumber.temp
rm -f cnumber.h; mv cnumber.temp cnumber.h
gcc -c -O    version.c
rm -f exim
gcc -o exim  acl.o child.o crypt16.o daemon.o dbfn.o debug.o deliver.o
directory.o dns.o drtables.o enq.o exim.o expand.o filter.o filtertest.o
globals.o header.o host.o ip.o log.o lss.o match.o moan.o os.o parse.o
queue.o rda.o readconf.o receive.o retry.o rewrite.o rfc2047.o route.o
search.o sieve.o smtp_in.o smtp_out.o spool_in.o spool_out.o store.o
string.o tls.o tod.o transport.o tree.o verify.o local_scan.o  version.o \
  pcre/libpcre.a \
  routers/routers.a transports/transports.a lookups/lookups.a \
  auths/auths.a \
  -lresolv -lsocket -lnsl -lkstat    \

Undefined                       first referenced
 symbol                             in file
libiconv_close                      rfc2047.o
libiconv                            rfc2047.o
libiconv_open                       rfc2047.o
ld: fatal: Symbol referencing errors. No output written to exim
collect2: ld returned 1 exit status
make[1]: *** [exim] Error 1
make[1]: Leaving directory
`/export/home/trevor/exim-4.30/build-SunOS5-5.8-sparc'
make: *** [go] Error 2

Here are some paths set -

[root@richemontdev]> echo $LD_LIBRARY_PATH
/usr/local/lib:/usr/local/ssl/lib
[root@richemontdev]> echo $LD_RUN_PATH
/usr/local/lib:/usr/local/ssl/lib
[root@richemontdev]> echo $PATH
/usr/local/bin:/usr/local:/usr/sbin:/usr/bin:/usr/ucb

Thanks
Trev