[Exim] Bug in compiling 3.34

>make[1]: Entering directory `/mnt/scsi-1/Linux/exim-3.34/build-Linux-i386'
>make[2]: Entering directory `/mnt/scsi-1/Linux/exim-3.34/build-Linux-i386/pcre'
>make[2]: Nothing to be done for `all'.
>make[2]: Leaving directory `/mnt/scsi-1/Linux/exim-3.34/build-Linux-i386/pcre'
>gcc -o em_version.o -c \
>  -O -I/usr/X11R6/include -I. ../exim_monitor/em_version.c
>gcc -o eximon.bin em_version.o  -L/usr/X11R6/lib \
>dummies.o spool_in.o store.o string.o tree.o em_StripChart.o em_TextPop.o em_glo
>bals.o em_init.o em_log.o em_main.o em_menu.o em_queue.o em_strip.o em_text.o em
>_xs.o -lXaw -lXmu -lXt -lXext -lX11 pcre/libpcre.a \
>  -lnsl -lcrypt    -lc

>awk '{ print ($1+1) }' cnumber.h > cnumber.temp
>/bin/rm -f cnumber.h; mv cnumber.temp cnumber.h
>gcc -c -O    version.c
>/bin/rm -f exim
>gcc -o exim  accept.o child.o daemon.o dbfn.o debug.o deliver.o direct.o directo
>ry.o dns.o drtables.o exim.o expand.o filter.o globals.o header.o host.o log.o m
>atch.o moan.o os.o parse.o queue.o readconf.o retry.o rewrite.o route.o search.o
> smtp_in.o smtp_out.o spool_in.o spool_out.o store.o string.o tls.o tod.o transp
>ort.o tree.o verify.o perl.o version.o \
>  libident/libident.a pcre/libpcre.a directors/directors.a \
>  routers/routers.a transports/transports.a lookups/lookups.a \
>  auths/auths.a \
>  -lnsl -lcrypt     \
>  -ldb -lresolv  -rdynamic  -L/usr/local/lib /usr/local/lib/perl5/5.6.1/i686-lin
>ux/auto/DynaLoader/DynaLoader.a -L/usr/local/lib/perl5/5.6.1/i686-linux/CORE -lp
>erl -lnsl -ldl -lm -lc -lposix -lcrypt -lutil
>dns.o: In function `dns_init':
>dns.o(.text+0x8): undefined reference to `__res_state'
>dns.o(.text+0x15): undefined reference to `__res_init'
>dns.o(.text+0x27): undefined reference to `__res_state'
>dns.o(.text+0x5f): undefined reference to `__res_state'
>dns.o(.text+0x76): undefined reference to `__res_state'
>dns.o: In function `dns_next_rr':
>dns.o(.text+0xdd): undefined reference to `__dn_expand'
>dns.o(.text+0x140): undefined reference to `__dn_expand'
>dns.o(.text+0x1b0): undefined reference to `__dn_expand'
>dns.o: In function `dns_basic_lookup':
>dns.o(.text+0x4fa): undefined reference to `__res_search'
>dns.o: In function `dns_lookup':
>dns.o(.text+0x86c): undefined reference to `__dn_expand'
>host.o: In function `host_find_bydns':
>host.o(.text+0x160c): undefined reference to `__dn_expand'
>collect2: ld returned 1 exit status
>make[1]: *** [exim] Error 1
>make[1]: Leaving directory `/mnt/scsi-1/Linux/exim-3.34/build-Linux-i386'
>make: *** [go] Error 2