[Exim] Problem compiling exim snapshot

           srs

awk '{ print ($1+1) }' cnumber.h > cnumber.temp
rm -f cnumber.h; mv cnumber.temp cnumber.h
gcc -c -O -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE    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 -lnsl -lcrypt    \
   -ldb   -lssl -lcrypto
rfc2047.o(.text+0x3a2): In function `rfc2047_decode2':
: undefined reference to `libiconv_open'
rfc2047.o(.text+0x46f): In function `rfc2047_decode2':
: undefined reference to `libiconv'
rfc2047.o(.text+0x55b): In function `rfc2047_decode2':
: undefined reference to `libiconv_close'
collect2: ld returned 1 exit status
make[1]: *** [exim] Error 1
make[1]: Leaving directory `/root/exim-snapshot/build-Linux-i386'
make: *** [go] Error 2