diff -ur xen-3.4.2.orig//Config.mk xen-3.4.2/Config.mk
--- xen-3.4.2.orig//Config.mk	2009-11-10 23:16:03.000000000 +0800
+++ xen-3.4.2/Config.mk	2011-09-24 02:15:31.311813762 +0800
@@ -14,7 +14,7 @@
 
 # Tools to run on system hosting the build
 HOSTCC      = gcc
-HOSTCFLAGS  = -Wall -Werror -Wstrict-prototypes -O2 -fomit-frame-pointer
+HOSTCFLAGS  = -Wall  -Wstrict-prototypes -O2 -fomit-frame-pointer
 HOSTCFLAGS += -fno-strict-aliasing
 
 DISTDIR     ?= $(XEN_ROOT)/dist
diff -ur xen-3.4.2.orig//tools/blktap/drivers/Makefile xen-3.4.2/tools/blktap/drivers/Makefile
--- xen-3.4.2.orig//tools/blktap/drivers/Makefile	2009-11-10 23:12:55.000000000 +0800
+++ xen-3.4.2/tools/blktap/drivers/Makefile	2011-09-24 02:15:36.912813755 +0800
@@ -5,7 +5,7 @@
 QCOW_UTIL    = img2qcow qcow2raw qcow-create
 LIBAIO_DIR   = ../../libaio/src
 
-CFLAGS   += -Werror
+CFLAGS   += 
 CFLAGS   += -Wno-unused
 CFLAGS   += -I../lib
 CFLAGS   += $(CFLAGS_libxenctrl)
diff -ur xen-3.4.2.orig//tools/blktap/lib/Makefile xen-3.4.2/tools/blktap/lib/Makefile
--- xen-3.4.2.orig//tools/blktap/lib/Makefile	2009-11-10 23:12:55.000000000 +0800
+++ xen-3.4.2/tools/blktap/lib/Makefile	2011-09-24 02:15:36.911813755 +0800
@@ -13,7 +13,7 @@
 SRCS     :=
 SRCS     += xenbus.c blkif.c xs_api.c
 
-CFLAGS   += -Werror
+CFLAGS   += 
 CFLAGS   += -Wno-unused
 CFLAGS   += -fPIC
 # get asprintf():
diff -ur xen-3.4.2.orig//tools/console/Makefile xen-3.4.2/tools/console/Makefile
--- xen-3.4.2.orig//tools/console/Makefile	2009-11-10 23:12:55.000000000 +0800
+++ xen-3.4.2/tools/console/Makefile	2011-09-24 02:15:36.865813755 +0800
@@ -2,7 +2,7 @@
 XEN_ROOT=../..
 include $(XEN_ROOT)/tools/Rules.mk
 
-CFLAGS  += -Werror
+CFLAGS  += 
 
 CFLAGS  += $(CFLAGS_libxenctrl)
 CFLAGS  += $(CFLAGS_libxenstore)
diff -ur xen-3.4.2.orig//tools/debugger/xenitp/Makefile xen-3.4.2/tools/debugger/xenitp/Makefile
--- xen-3.4.2.orig//tools/debugger/xenitp/Makefile	2009-11-10 23:12:55.000000000 +0800
+++ xen-3.4.2/tools/debugger/xenitp/Makefile	2011-09-24 02:15:36.907813755 +0800
@@ -1,7 +1,7 @@
 XEN_ROOT=../../..
 include $(XEN_ROOT)/tools/Rules.mk
 
-#CFLAGS  += -Werror -g -O0
+#CFLAGS  +=  -g -O0
 
 CFLAGS  += $(CFLAGS_libxenctrl)
 
diff -ur xen-3.4.2.orig//tools/flask/libflask/Makefile xen-3.4.2/tools/flask/libflask/Makefile
--- xen-3.4.2.orig//tools/flask/libflask/Makefile	2009-11-10 23:12:56.000000000 +0800
+++ xen-3.4.2/tools/flask/libflask/Makefile	2011-09-24 02:15:36.817813755 +0800
@@ -9,7 +9,7 @@
 SRCS       :=
 SRCS       += flask_op.c
 
-CFLAGS   += -Werror
+CFLAGS   += 
 CFLAGS   += -fno-strict-aliasing
 CFLAGS   += $(INCLUDES) -I./include -I$(XEN_LIBXC) -I$(XEN_INCLUDE)
 
diff -ur xen-3.4.2.orig//tools/flask/loadpolicy/Makefile xen-3.4.2/tools/flask/loadpolicy/Makefile
--- xen-3.4.2.orig//tools/flask/loadpolicy/Makefile	2009-11-10 23:12:56.000000000 +0800
+++ xen-3.4.2/tools/flask/loadpolicy/Makefile	2011-09-24 02:15:36.819813755 +0800
@@ -6,7 +6,7 @@
 LIBFLASK_ROOT = $(XEN_ROOT)/tools/flask/libflask
 
 PROFILE=#-pg
-BASECFLAGS=-Wall -g -Werror
+BASECFLAGS=-Wall -g 
 BASECFLAGS+= $(PROFILE)
 #BASECFLAGS+= -I$(XEN_ROOT)/tools
 BASECFLAGS+= $(CFLAGS_libxenctrl)
diff -ur xen-3.4.2.orig//tools/fs-back/Makefile xen-3.4.2/tools/fs-back/Makefile
--- xen-3.4.2.orig//tools/fs-back/Makefile	2009-11-10 23:12:56.000000000 +0800
+++ xen-3.4.2/tools/fs-back/Makefile	2011-09-24 02:15:36.795813755 +0800
@@ -5,7 +5,7 @@
 
 IBIN         = fs-backend 
 
-CFLAGS   += -Werror
+CFLAGS   += 
 CFLAGS   += -Wno-unused
 CFLAGS   += -fno-strict-aliasing
 CFLAGS   += $(CFLAGS_libxenctrl)
diff -ur xen-3.4.2.orig//tools/libaio/harness/Makefile xen-3.4.2/tools/libaio/harness/Makefile
--- xen-3.4.2.orig//tools/libaio/harness/Makefile	2009-11-10 23:12:56.000000000 +0800
+++ xen-3.4.2/tools/libaio/harness/Makefile	2011-09-24 02:15:36.834813755 +0800
@@ -4,7 +4,7 @@
 HARNESS_SRCS:=main.c
 # io_queue.c
 
-CFLAGS=-Wall -Werror -g -O -laio
+CFLAGS=-Wall  -g -O -laio
 #-lpthread -lrt
 
 all: $(PROGS)
diff -ur xen-3.4.2.orig//tools/libxc/Makefile xen-3.4.2/tools/libxc/Makefile
--- xen-3.4.2.orig//tools/libxc/Makefile	2011-09-24 02:15:01.913813771 +0800
+++ xen-3.4.2/tools/libxc/Makefile	2011-09-24 02:15:36.848813755 +0800
@@ -52,7 +52,7 @@
 
 -include $(XEN_TARGET_ARCH)/Makefile
 
-CFLAGS   += -Werror -Wmissing-prototypes
+CFLAGS   +=  -Wmissing-prototypes
 CFLAGS   += $(INCLUDES) -I. -I../xenstore -I../include
 
 # Needed for posix_fadvise64() in xc_linux.c
diff -ur xen-3.4.2.orig//tools/misc/lomount/Makefile xen-3.4.2/tools/misc/lomount/Makefile
--- xen-3.4.2.orig//tools/misc/lomount/Makefile	2009-11-10 23:12:56.000000000 +0800
+++ xen-3.4.2/tools/misc/lomount/Makefile	2011-09-24 02:15:36.825813755 +0800
@@ -1,7 +1,7 @@
 XEN_ROOT=../../..
 include $(XEN_ROOT)/tools/Rules.mk
 
-CFLAGS  += -Werror
+CFLAGS  += 
 
 HDRS     = $(wildcard *.h)
 OBJS     = $(patsubst %.c,%.o,$(wildcard *.c))
diff -ur xen-3.4.2.orig//tools/misc/Makefile xen-3.4.2/tools/misc/Makefile
--- xen-3.4.2.orig//tools/misc/Makefile	2009-11-10 23:12:56.000000000 +0800
+++ xen-3.4.2/tools/misc/Makefile	2011-09-24 02:15:36.828813755 +0800
@@ -1,7 +1,7 @@
 XEN_ROOT=../..
 include $(XEN_ROOT)/tools/Rules.mk
 
-CFLAGS   += -Werror
+CFLAGS   += 
 
 INCLUDES += -I $(XEN_XC)
 INCLUDES += -I $(XEN_LIBXC)
diff -ur xen-3.4.2.orig//tools/security/Makefile xen-3.4.2/tools/security/Makefile
--- xen-3.4.2.orig//tools/security/Makefile	2009-11-10 23:12:56.000000000 +0800
+++ xen-3.4.2/tools/security/Makefile	2011-09-24 02:15:36.862813755 +0800
@@ -1,7 +1,7 @@
 XEN_ROOT = ../..
 include $(XEN_ROOT)/tools/Rules.mk
 
-CFLAGS   += -Werror
+CFLAGS   += 
 CFLAGS   += -fno-strict-aliasing
 CFLAGS   += -I. $(CFLAGS_libxenctrl)
 
diff -ur xen-3.4.2.orig//tools/vnet/libxutil/Makefile xen-3.4.2/tools/vnet/libxutil/Makefile
--- xen-3.4.2.orig//tools/vnet/libxutil/Makefile	2009-11-10 23:12:57.000000000 +0800
+++ xen-3.4.2/tools/vnet/libxutil/Makefile	2011-09-24 02:15:36.854813755 +0800
@@ -25,7 +25,7 @@
 PIC_OBJS := $(LIB_SRCS:.c=.opic)
 
 $(call cc-option-add,CFLAGS,CC,-fgnu89-inline)
-CFLAGS   += -Werror -fno-strict-aliasing
+CFLAGS   +=  -fno-strict-aliasing
 CFLAGS   += -O3
 #CFLAGS   += -g
 
diff -ur xen-3.4.2.orig//tools/xcutils/Makefile xen-3.4.2/tools/xcutils/Makefile
--- xen-3.4.2.orig//tools/xcutils/Makefile	2009-11-10 23:12:57.000000000 +0800
+++ xen-3.4.2/tools/xcutils/Makefile	2011-09-24 02:15:36.794813755 +0800
@@ -11,7 +11,7 @@
 XEN_ROOT	= ../..
 include $(XEN_ROOT)/tools/Rules.mk
 
-CFLAGS += -Werror
+CFLAGS += 
 CFLAGS += $(CFLAGS_libxenctrl) $(CFLAGS_libxenguest) $(CFLAGS_libxenstore)
 
 PROGRAMS = xc_restore xc_save readnotes lsevtchn
diff -ur xen-3.4.2.orig//tools/xenmon/Makefile xen-3.4.2/tools/xenmon/Makefile
--- xen-3.4.2.orig//tools/xenmon/Makefile	2009-11-10 23:12:57.000000000 +0800
+++ xen-3.4.2/tools/xenmon/Makefile	2011-09-24 02:15:36.799813755 +0800
@@ -13,7 +13,7 @@
 XEN_ROOT=../..
 include $(XEN_ROOT)/tools/Rules.mk
 
-CFLAGS  += -Werror
+CFLAGS  += 
 CFLAGS  += -I $(XEN_XC)
 CFLAGS  += $(CFLAGS_libxenctrl)
 LDFLAGS += $(LDFLAGS_libxenctrl)
diff -ur xen-3.4.2.orig//tools/xenpmd/Makefile xen-3.4.2/tools/xenpmd/Makefile
--- xen-3.4.2.orig//tools/xenpmd/Makefile	2009-11-10 23:12:57.000000000 +0800
+++ xen-3.4.2/tools/xenpmd/Makefile	2011-09-24 02:15:36.815813755 +0800
@@ -1,7 +1,7 @@
 XEN_ROOT=../..
 include $(XEN_ROOT)/tools/Rules.mk
 
-CFLAGS  += -Werror
+CFLAGS  += 
 CFLAGS  += $(CFLAGS_libxenstore)
 LDFLAGS += $(LDFLAGS_libxenstore)
 
diff -ur xen-3.4.2.orig//tools/xenstat/libxenstat/Makefile xen-3.4.2/tools/xenstat/libxenstat/Makefile
--- xen-3.4.2.orig//tools/xenstat/libxenstat/Makefile	2009-11-10 23:12:57.000000000 +0800
+++ xen-3.4.2/tools/xenstat/libxenstat/Makefile	2011-09-24 02:15:36.842813755 +0800
@@ -34,7 +34,7 @@
 OBJECTS-$(CONFIG_NetBSD) += src/xenstat_netbsd.o
 SONAME_FLAGS=-Wl,$(SONAME_LDFLAG) -Wl,libxenstat.so.$(MAJOR)
 
-WARN_FLAGS=-Wall -Werror
+WARN_FLAGS=-Wall 
 
 CFLAGS+=-Isrc -I$(XEN_LIBXC) -I$(XEN_XENSTORE) -I$(XEN_INCLUDE)
 LDFLAGS+=-Lsrc -L$(XEN_XENSTORE)/ -L$(XEN_LIBXC)/
diff -ur xen-3.4.2.orig//tools/xenstat/xentop/Makefile xen-3.4.2/tools/xenstat/xentop/Makefile
--- xen-3.4.2.orig//tools/xenstat/xentop/Makefile	2009-11-10 23:12:57.000000000 +0800
+++ xen-3.4.2/tools/xenstat/xentop/Makefile	2011-09-24 02:15:36.844813755 +0800
@@ -18,7 +18,7 @@
 all install xentop:
 else
 
-CFLAGS += -DGCC_PRINTF -Wall -Werror -I$(XEN_LIBXENSTAT)
+CFLAGS += -DGCC_PRINTF -Wall  -I$(XEN_LIBXENSTAT)
 LDFLAGS += -L$(XEN_LIBXENSTAT)
 LDLIBS += -lxenstat $(CURSES_LIBS) $(SOCKET_LIBS)
 CFLAGS += -DHOST_$(XEN_OS)
diff -ur xen-3.4.2.orig//tools/xenstore/Makefile xen-3.4.2/tools/xenstore/Makefile
--- xen-3.4.2.orig//tools/xenstore/Makefile	2009-11-10 23:12:57.000000000 +0800
+++ xen-3.4.2/tools/xenstore/Makefile	2011-09-24 02:15:36.798813755 +0800
@@ -4,7 +4,7 @@
 MAJOR = 3.0
 MINOR = 0
 
-CFLAGS += -Werror
+CFLAGS += 
 CFLAGS += -I.
 CFLAGS += $(CFLAGS_libxenctrl)
 
diff -ur xen-3.4.2.orig//tools/xentrace/Makefile xen-3.4.2/tools/xentrace/Makefile
--- xen-3.4.2.orig//tools/xentrace/Makefile	2009-11-10 23:12:57.000000000 +0800
+++ xen-3.4.2/tools/xentrace/Makefile	2011-09-24 02:15:36.908813755 +0800
@@ -1,7 +1,7 @@
 XEN_ROOT=../..
 include $(XEN_ROOT)/tools/Rules.mk
 
-CFLAGS  += -Werror
+CFLAGS  += 
 
 CFLAGS  += $(CFLAGS_libxenctrl)
 LDFLAGS += $(LDFLAGS_libxenctrl)