[Exim] Compiling exim 4.14 on bebian 3 woody - getting no wa…

I have a problem when i 'make' exim 4.14.
i get the following error every time.
"
dbstuff.h:101: db.h: No such file or directory
make[1]: *** [exim_dbmbuild.o] Error 1
make[1]: Leaving directory '/home/installs/exim/exim-4.14/build-Linux-i386'
make: *** [go] Error 2
"
Many thanks
Gregory Machin
greg@???
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