savemail panic in sendmail

Following message shows in console:

sendmail[27778]: [ID 801593 mail.alert] m5P401Gg027778: Losing ./qfm5P401Gg027778: savemail panic

in

/var/adm/messages

SYSERR(root): savemail: cannot save rejected email anywhere

Found / etc/mail/sendmail.cf missing.

sendmail version: 8.13.7

Pls help. Thanks.

# sh Build
Making all in:

/sendmail/sendmail-8.13.7/libsm
Configuration: pfx=, os=SunOS, rel=5.9, rbase=5, rroot=5.9, arch=sun4, sfx=, variant=optimized ERROR: Can not locate an M4 program
*** Error code 69
make: Fatal error: Command failed for target `all'

What is the error means and How to recreate the sendmail.cf?