2.4.34-rc3

diff --git a/Makefile b/Makefile
index fd6884d..aa2773e 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 2
 PATCHLEVEL = 4
-SUBLEVEL = 33
-EXTRAVERSION =
+SUBLEVEL = 34
+EXTRAVERSION = -rc3
 
 KERNELRELEASE=$(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION)
 
@@ -93,11 +93,17 @@ CPPFLAGS := -D__KERNEL__ -I$(HPATH)
 
 CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes -Wno-trigraphs -O2 \
      -fno-strict-aliasing -fno-common
+CFLAGS += -fno-builtin-sprintf
 ifndef CONFIG_FRAME_POINTER
 CFLAGS += -fomit-frame-pointer
 endif
 AFLAGS := -D__ASSEMBLY__ $(CPPFLAGS)
 
+check_gcc = $(shell if $(CC) $(1) -S -o /dev/null -xc /dev/null > /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi)
+
+# disable pointer signedness warnings in gcc 4.0
+CFLAGS += $(call check_gcc,-Wno-pointer-sign,)
+
 #
 # ROOT_DEV specifies the default root-device when making the image.
 # This can be either FLOPPY, CURRENT, /dev/xxxx or empty, in which case