lib/librump fails to build with todays sources

[Roy Marples <roy%marples.name@localhost>]

#   compile  librump/__assert.o
/usr/src/../tools/bin/i386--netbsdelf-gcc -Os -march=pentium-m -Wall
-Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith
-Wno-sign-compare -Wno-traditional -Wa,--fatal-warnings -Wreturn-type
-Wswitch -Wshadow -Wcast-qual -Wwrite-strings -Wextra
-Wno-unused-parameter -std=gnu99  -Werror
-I/usr/src/lib/librump/../../sys/rump/include  -D_KERNEL -D_RUMPKERNEL
-DMULTIPROCESSOR -DDIAGNOSTIC -I/usr/src/lib/librump -I.
-I/usr/src/lib/librump/../../sys/rump/../../common/include -nostdinc
-I/usr/src/lib/librump/../../sys/rump/..
-I/usr/src/lib/librump/../../sys/rump/librump/rumpkern/opt
-DMAXUSERS=32 -I/usr/src/lib/librump/../../sys/rump/librump/rumpnet
-nostdinc -isystem /usr/src/../obj/destdir.i386/usr/include
-c    /usr/src/lib/librump/../../sys/rump/../lib/libkern/__assert.c -o
__assert.o cc1: warnings being treated as errors In file included
from /usr/src/lib/librump/../../sys/rump/../lib/libkern/__assert.c:35: 
/usr/src/lib/librump/../../sys/rump/../sys/systm.h:207:
warning: conflicting types for built-in function
'printf' /usr/src/lib/librump/../../sys/rump/../sys/systm.h:212:
warning: conflicting types for built-in function 'vprintf' In file
included from /usr/src/lib/librump/../../sys/rump/../sys/systm.h:393,
from /usr/src/lib/librump/../../sys/rump/../lib/libkern/__assert.c:35: 
/usr/src/lib/librump/../../sys/rump/../lib/libkern/libkern.h:54:
warning: declaration of 'abs' shadows a built-in
function /usr/src/lib/librump/../../sys/rump/../lib/libkern/libkern.h:56:
warning: declaration of 'isspace' shadows a built-in
function /usr/src/lib/librump/../../sys/rump/../lib/libkern/libkern.h:57:
warning: declaration of 'isascii' shadows a built-in
function /usr/src/lib/librump/../../sys/rump/../lib/libkern/libkern.h:58:
warning: declaration of 'isupper' shadows a built-in
function /usr/src/lib/librump/../../sys/rump/../lib/libkern/libkern.h:59:
warning: declaration of 'islower' shadows a built-in
function /usr/src/lib/librump/../../sys/rump/../lib/libkern/libkern.h:60:
warning: declaration of 'isalpha' shadows a built-in
function /usr/src/lib/librump/../../sys/rump/../lib/libkern/libkern.h:61:
warning: declaration of 'isdigit' shadows a built-in
function /usr/src/lib/librump/../../sys/rump/../lib/libkern/libkern.h:62:
warning: declaration of 'isxdigit' shadows a built-in
function /usr/src/lib/librump/../../sys/rump/../lib/libkern/libkern.h:63:
warning: declaration of 'toupper' shadows a built-in
function /usr/src/lib/librump/../../sys/rump/../lib/libkern/libkern.h:64:
warning: declaration of 'tolower' shadows a built-in function

*** Failed target:  __assert.o

Thanks

Roy