kernel failing to build

I's been a few days, the kernel on my machine is failing to build in the
same point...I tried cvsupping at various times.

The system is a -current from 19 July.

this is the error, I'm attaching my kernel config.

cc -c -O -pipe -Wall -Wredundant-decls -Wnested-externs
-Wstrict-prototypes  -Wmissing-prototypes -Wpointer-arith -Winline
-Wcast-qual  -fformat-extensions -std=c99 -g -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 -I/usr/src/sys/contrib/dev/ath
-I/usr/src/sys/contrib/dev/ath/freebsd -D_KERNEL -include opt_global.h
-fno-common -finline-limit=15000 -fno-strict-aliasing
-mno-align-long-strings -mpreferred-stack-boundary=2 -ffreestanding
-Werror  /usr/src/sys/dev/drm/mga_irq.c
cc -c -O -pipe -Wall -Wredundant-decls -Wnested-externs
-Wstrict-prototypes  -Wmissing-prototypes -Wpointer-arith -Winline
-Wcast-qual  -fformat-extensions -std=c99 -g -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 -I/usr/src/sys/contrib/dev/ath
-I/usr/src/sys/contrib/dev/ath/freebsd -D_KERNEL -include opt_global.h
-fno-common -finline-limit=15000 -fno-strict-aliasing
-mno-align-long-strings -mpreferred-stack-boundary=2 -ffreestanding
-Werror  /usr/src/sys/dev/drm/mga_state.c
/usr/src/sys/dev/drm/mga_state.c: In function `mga_g400_emit_state':
/usr/src/sys/dev/drm/mga_state.c:278: warning: inlining failed in call
to `mga_g400_emit_pipe'
/usr/src/sys/dev/drm/mga_state.c:387: warning: called from here
/usr/src/sys/dev/drm/mga_state.c:163: warning: inlining failed in call
to `mga_g400_emit_tex0'
/usr/src/sys/dev/drm/mga_state.c:397: warning: called from here
*** Error code 1
 
Stop in /usr/obj/usr/src/sys/CHEWBACCA.
*** Error code 1
 
Stop in /usr/src.
*** Error code 1
 
Stop in /usr/src.
chewbacca#

from mga_state,c:

 * $FreeBSD: src/sys/dev/drm/mga_state.c,v 1.6 2003/04/25 01:18:46 anholt Exp $

I really don't know how to fix this, hope the report is seful.

hanks in advance!

-- 
Guido Falsi <mad_at_madpilot.net>