[Exim] [EXIM Build Error on Version 4.20]

Dear List

I get the following error while compiling Exim 4.20, please find the
error below and suggest as what has to be done

gcc -c -O -I/usr/local/BerkeleyDB.4.1/include -o exim_dbmbuild.o
exim_dbmbuild.c
gcc -o exim_dbmbuild exim_dbmbuild.o \
-lnsl -lcrypt -L/usr/local/BerkeleyDB.4.1/lib/libdb.a
exim_dbmbuild.o: In function `main':
exim_dbmbuild.o(.text+0x2c8): undefined reference to `db_create'
collect2: ld returned 1 exit status
make[1]: *** [exim_dbmbuild] Error 1
make[1]: Leaving directory `/usr/local/exim-4.20/build-Linux-i386'
make: *** [go] Error 2

Thanks in Advance
Vibhav