make error

thefuture:/usr/local/postfix-20010228-pl08 # make
make -f Makefile.in MAKELEVEL= Makefiles
set -e; for i in src/util src/global src/dns src/master src/postfix src/smtpstone src/sendmail src/error src/pickup src/cleanup src/smtpd src/local src/lmtp src/trivial-rewrite src/qmgr src/smtp src/bounce src/pipe src/showq src/postalias src/postcat src/postconf src/postdrop src/postkick src/postlock src/postlog src/postmap src/postsuper src/spawn src/flush ; do \
(set -e; echo "[$i]"; cd $i; rm -f Makefile; \
make -f Makefile.in Makefile MAKELEVEL=) || exit 1; \
done;
[src/util]
(set -e; echo "# DO NOT EDIT";  /bin/sh ../../makedefs && cat Makefile.in) >Makefile
No <db.h> include file found.
Install the appropriate db*-devel package first.
See the RELEASE_NOTES file for more information.
make: *** [Makefile] Error 1
make: *** [Makefiles] Error 1
make: *** [Makefiles] Error 2
thefuture:/usr/local/postfix-20010228-pl08 #


Ja Jeg kan ikke helt se hvad problemet skyldes....


Please HELP