devel/libbonoboui fails under Linux

[Aleksey Cheusov <cheusov%tut.by@localhost>]

Can anybody fix it?

http://www.mova.org/~cheusov/pub/pkgsrc-pbulk/Debian-etch/current-unprivileged/log/20080617.2133/devel/libbonoboui/stage_build.html

...
/usr/bin/ld: cannot find -ldb4
collect2: ld returned 1 exit status
make[3]: *** [bonobo-hello] Error 1
make[3]: Leaving directory 
`/tmp/pkgsrc-pkg/devel/libbonoboui/work/libbonoboui-2.22.0/samples/bonoboui'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory 
`/tmp/pkgsrc-pkg/devel/libbonoboui/work/libbonoboui-2.22.0/samples'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory 
`/tmp/pkgsrc-pkg/devel/libbonoboui/work/libbonoboui-2.22.0'
make: *** [all] Error 2
*** Error code 2

-- 
Best regards, Aleksey Cheusov.