On Thu, 4 Feb 2010, Aioanei Rares wrote:
Hisashi T Fujinaka wrote:
#   compile  GENERIC/uvm_fault.o
/usr/src/obj.amd64/tooldir.NetBSD-5.99.24-amd64/bin/x86_64--netbsd-gcc 
-mcmodel=kernel -mno-red-zone -ffreestanding 
-fno-zero-initialized-in-bss -O2 -fno-omit-frame-pointer -std=gnu99 
-fstack-protector -Wstack-protector --param ssp-buffer-size=1 
-fno-strict-aliasing -fstack-protector -Wstack-protector --param 
ssp-buffer-size=1 -Werror -Wall -Wno-main -Wno-format-zero-length 
-Wpointer-arith -Wmissing-prototypes -Wstrict-prototypes -Wswitch 
-Wshadow -Wcast-qual -Wwrite-strings -Wno-unreachable-code 
-Wno-sign-compare -Wno-pointer-sign -Wno-attributes -Wextra 
-Wno-unused-parameter -Werror -Damd64 -Dx86_64 -I. 
-I/usr/src/sys/../common/include -I/usr/src/sys/arch -I/usr/src/sys 
-nostdinc -DMAXUSERS=64 -D_KERNEL -D_KERNEL_OPT 
-I/usr/src/sys/lib/libkern/../../../common/lib/libc/quad 
-I/usr/src/sys/lib/libkern/../../../common/lib/libc/string 
-I/usr/src/sys/lib/libkern/../../../common/lib/libc/arch/x86_64/string 
-I/usr/src/sys/dist/ipf -I/usr/src/sys/external/isc/atheros_hal/dist 
-I/u!
sr/src/sys/external/isc/atheros_hal/ic 
-I/usr/src/sys/external/bsd/drm/dist/bsd-core 
-I/usr/src/sys/external/bsd/drm/dist/shared-core 
-I/usr/src/sys/../common/include 
-I/usr/src/sys/external/intel-public/acpica/dist/include -c 
/usr/src/sys/uvm/uvm_fault.c
cc1: warnings being treated as errors
/usr/src/sys/uvm/uvm_fault.c: In function 'uvm_fault_lower_generic':
/usr/src/sys/uvm/uvm_fault.c:1213: warning: unused variable 'amap'
How recent is your src tree? I encountered this error about a week 
ago, but a subsequent update solved the problem.
This morning. I compiled fine yesterday.