cc -c -O -pipe -mcpu=pentiumpro -Wall -Wredundant-decls -Wnested-externs -Wstrict-prototypes  -Wmissing-prototypes -Wpointer-arith -Winline -Wcast-qual  -fformat-extensions -std=c99  -nostdinc -I-  -I. -I/usr/src/sys -I/usr/src/sys/dev -I/usr/src/sys/contrib/dev/acpica -I/usr/src/sys/contrib/ipfilter -D_KERNEL -include opt_global.h -fno-common  -mno-align-long-strings -mpreferred-stack-boundary=2 -ffreestanding -Werror  vnode_if.c
touch hack.c
cc  -shared -nostdlib hack.c -o hack.So
rm -f hack.c
sh /usr/src/sys/conf/newvers.sh SERVER
cc -c -O -pipe -mcpu=pentiumpro -Wall -Wredundant-decls -Wnested-externs -Wstrict-prototypes  -Wmissing-prototypes -Wpointer-arith -Winline -Wcast-qual  -fformat-extensions -std=c99  -nostdinc -I-  -I. -I/usr/src/sys -I/usr/src/sys/dev -I/usr/src/sys/contrib/dev/acpica -I/usr/src/sys/contrib/ipfilter -D_KERNEL -include opt_global.h -fno-common  -mno-align-long-strings -mpreferred-stack-boundary=2 -ffreestanding -Werror  vers.c
linking kernel
init_main.o: In function `proc0_init':
init_main.o(.text+0x2b9): undefined reference to `kse0_sched'
init_main.o(.text+0x2c3): undefined reference to `ksegrp0_sched'
init_main.o(.text+0x2cd): undefined reference to `proc0_sched'
init_main.o(.text+0x2d7): undefined reference to `thread0_sched'
kern_clock.o: In function `statclock':
kern_clock.o(.text+0x597): undefined reference to `sched_clock'
kern_condvar.o: In function `cv_waitq_add':
kern_condvar.o(.text+0xea3): undefined reference to `sched_sleep'
kern_exit.o: In function `exit1':
kern_exit.o(.text+0xf7c): undefined reference to `sched_exit'
kern_fork.o: In function `fork1':
kern_fork.o(.text+0x9d9): undefined reference to `sched_fork'
kern_idle.o: In function `idle_proc':
kern_idle.o(.text+0x179): undefined reference to `sched_runnable'
kern_thr.o: In function `thr_exit1':
kern_thr.o(.text+0xd0): undefined reference to `sched_exit_kse'
kern_thr.o(.text+0x147): undefined reference to `sched_exit_thread'
kern_thr.o: In function `thr_create':
kern_thr.o(.text+0x3b3): undefined reference to `sched_fork_kse'
kern_thr.o(.text+0x3c5): undefined reference to `sched_fork_thread'
kern_mutex.o: In function `propagate_priority':
kern_mutex.o(.text+0x7a): undefined reference to `sched_prio'
kern_proc.o: In function `procinit':
kern_proc.o(.text+0xe3): undefined reference to `sched_sizeof_proc'
kern_proc.o: In function `fill_kinfo_proc':
kern_proc.o(.text+0x12be): undefined reference to `sched_pctcpu'
kern_resource.o: In function `donice':
kern_resource.o(.text+0x778): undefined reference to `sched_nice'
kern_resource.o: In function `rtp_to_pri':
kern_resource.o(.text+0xa65): undefined reference to `sched_class'
kern_subr.o: In function `uio_yield':
kern_subr.o(.text+0x48c): undefined reference to `sched_prio'
kern_switch.o: In function `choosethread':
kern_switch.o(.text+0x32): undefined reference to `sched_choose'
kern_switch.o: In function `kse_reassign':
kern_switch.o(.text+0x11a): undefined reference to `sched_add'
kern_switch.o: In function `adjustrunqueue':
kern_switch.o(.text+0x198): undefined reference to `sched_rem'
kern_switch.o(.text+0x1a0): undefined reference to `sched_add'
kern_switch.o(.text+0x1ce): undefined reference to `sched_rem'
kern_switch.o: In function `setrunqueue':
kern_switch.o(.text+0x2c3): undefined reference to `sched_rem'
kern_switch.o(.text+0x37d): undefined reference to `sched_add'
kern_synch.o: In function `msleep':
kern_synch.o(.text+0x3d3): undefined reference to `sched_sleep'
kern_synch.o: In function `mi_switch':
kern_synch.o(.text+0xaf6): undefined reference to `sched_switchout'
kern_synch.o(.text+0xb1f): undefined reference to `sched_switchin'
kern_synch.o: In function `setrunnable':
kern_synch.o(.text+0xc1b): undefined reference to `sched_wakeup'
kern_synch.o: In function `yield':
kern_synch.o(.text+0xe2a): undefined reference to `sched_prio'
kern_thread.o: In function `threadinit':
kern_thread.o(.text+0x1127): undefined reference to `sched_sizeof_thread'
kern_thread.o(.text+0x1171): undefined reference to `sched_sizeof_ksegrp'
kern_thread.o(.text+0x11bb): undefined reference to `sched_sizeof_kse'
subr_trap.o: In function `userret':
subr_trap.o(.text+0x18): undefined reference to `sched_userret'
subr_trap.o: In function `ast':
subr_trap.o(.text+0x431): undefined reference to `sched_prio'
ksched.o: In function `ksched_attach':
ksched.o(.text+0x2e): undefined reference to `sched_rr_interval'
ksched.o: In function `ksched_setscheduler':
ksched.o(.text+0x2b3): undefined reference to `sched_prio'
ksched.o(.text+0x363): undefined reference to `sched_prio'
ffs_snapshot.o: In function `ffs_snapshot':
ffs_snapshot.o(.text+0xae4): undefined reference to `sched_nice'
ffs_snapshot.o(.text+0x2272): undefined reference to `sched_nice'
vm_zeroidle.o: In function `vm_pagezero':
vm_zeroidle.o(.text+0x2f9): undefined reference to `sched_runnable'
vm_pageout.o: In function `vm_pageout_scan':
vm_pageout.o(.text+0x173e): undefined reference to `sched_nice'
machdep.o: In function `cpu_idle':
machdep.o(.text+0x14a7): undefined reference to `sched_runnable'
*** Error code 1

Stop in /usr/obj/usr/src/sys/SERVER.FREEBSD5.
*** Error code 1

Stop in /usr/src.
*** Error code 1

Stop in /usr/src.
zsh: exit 1     make buildkernel KERNCONF=SERVER.FREEBSD5