[Exim] how to build with mysql

Hi List.

I am busy testing the use of mysql with exim.

I am having errors at make time..keep getting:

<snip>
ls.o tnef.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    \
  -lpam -ldb -L/usr/local/lib -lldap -llber -lmysqlclient -lpq
/usr/bin/ld: cannot find -lmysqlclient
collect2: ld returned 1 exit status
make[1]: *** [exim] Error 1
make[1]: Leaving directory `/downloads-mail/exim-4.22/build-Linux-i386'
make: *** [go] Error 2

Do not know how to edit the Local/Makefile to incorporate the libs for
mysql.

Any help appreciated.

Regards,
Tom Kinghorn