fatal error: systemd/sd-daemon.h: No such file or directory

hi all
i want install multipath-tools-0.5.0 from source, but i got this error:
fatal error: systemd/sd-daemon.h: No such file or directory


i find /usr/share/doc/packages/systemd/sd-daemon.h
does anybody have solution for this?
my os version is:openSUSE 12.1 (i586)
VERSION = 12.1
CODENAME = Asparagus