Make release fails with the following errors:
cc -O2 -pipe   -DCRUNCHED_BINARY -c grep_stub.c
ld -dc -r -o grep.lo grep_stub.o /usr/obj//usr/src/gnu/usr.bin/grep/dfa.o /usr/obj//usr/src/gnu/usr.bin/grep/grep.o /usr/obj//usr/src/gnu/usr.bin/grep/getopt.o /usr/obj//usr/src/gnu/usr.bin/grep/kwset.o /usr/obj//usr/src/gnu/usr.bin/grep/obstack.o /usr/obj//usr/src/gnu/usr.bin/grep/search.o
crunchide -k __crunched_grep_stub grep.lo
cc -static -o fixit_crunch fixit_crunch.o cat.lo chmod.lo chroot.lo cp.lo date.lo dd.lo df.lo echo.lo ed.lo expr.lo hostname.lo kill.lo ln.lo ls.lo mkdir.lo mt.lo mv.lo pwd.lo rcp.lo rm.lo rmdir.lo sleep.lo stty.lo sync.lo test.lo badsect.lo chown.lo clri.lo disklabel.lo dump.lo dmesg.lo fdisk.lo ft.lo mknod.lo mount.lo newfs.lo ping.lo reboot.lo restore.lo scsi.lo swapon.lo umount.lo mount_msdos.lo mount_cd9660.lo mount_nfs.lo ftp.lo more.lo rsh.lo sed.lo telnet.lo rlogin.lo vi.lo find.lo grep.lo -lcrypt -ltelnet -lutil -ll -lcurses -ltermcap -ledit -lgnuregex -lkvm -lscsi
ping.lo: Undefined symbol `_sqrt' referenced from text segment
*** Error code 1

Stop.
*** Error code 1

Stop.
*** Error code 1

Stop.

Fix: 

Add -lm to the required libraries ???
How-To-Repeat: 
	cd /usr/src/release
	make release CHROOTDIR=/scratch/release