diff --git a/Makefile.example b/Makefile.example
index 82ea48a..0012b02 100644
--- a/Makefile.example
+++ b/Makefile.example
@@ -1,12 +1,14 @@
 TERM = xterm
 TOPDIR = $(shell pwd)
 ARCH = x86
+BIT = 32
 NAME = eduos
 KERNDIRS = libkern kernel mm fs arch/$(ARCH)/kernel arch/$(ARCH)/mm
 SUBDIRS = $(KERNDIRS)
 
 # Set your own cross compiler tool chain prefix here
-CROSSCOMPREFIX = 
+CROSSCOMPREFIX =
+STACKPROT =
 
 CC_FOR_TARGET = $(CROSSCOMPREFIX)gcc
 CXX_FOR_TARGET = $(CROSSCOMPREFIX)g++
@@ -24,7 +26,7 @@ READELF_FOR_TARGET = $(CROSSCOMPREFIX)readelf
 
 MAKE = make
 NASM = nasm
-NASMFLAGS = -felf32 -g -i$(TOPDIR)/include/eduos/
+NASMFLAGS = -felf$(BIT) -g -i$(TOPDIR)/include/eduos/
 GDB = $(CROSSCOMPREFIX)gdb
 GDBFLAGS = -x debug.gdb
 QEMU = qemu-system-i386
@@ -49,7 +51,10 @@ LDFLAGS = -T link.ld -z max-page-size=4096 --defsym __BUILD_DATE=$(shell date +'
 STRIP_DEBUG = --strip-debug
 KEEP_DEBUG = --only-keep-debug
 
-CFLAGS_FOR_TOOLS  = -m32 -O2 -Wall
+CFLAGS_FOR_NEWLIB = -m$(BIT) $(STACKPROT)
+LDFLAGS_FOR_NEWLIB = -m$(BIT)
+NASMFLAGS_FOR_NEWLIB = -felf$(BIT)
+CFLAGS_FOR_TOOLS  = -m$(BIT) -O2 -Wall
 LDFLAGS_FOR_TOOLS =
 
 # Prettify output
@@ -61,10 +66,28 @@ endif
 
 default: all
 
-all: tools $(NAME).elf
+all: newlib tools $(NAME).elf
+
+newlib:
+	$(MAKE) ARCH=$(ARCH) BIT=$(BIT) \
+                LDFLAGS="$(LDFLAGS_FOR_NEWLIB)" \
+                CFLAGS="$(CFLAGS_FOR_NEWLIB)" \
+                NASMFLAGS="$(NASMFLAGS_FOR_NEWLIB)" \
+                CC_FOR_TARGET=$(CC_FOR_TARGET) \
+                CXX_FOR_TARGET=$(CXX_FOR_TARGET) \
+                GCC_FOR_TARGET=$(GCC_FOR_TARGET) \
+                AR_FOR_TARGET=$(AR_FOR_TARGET) \
+                AS_FOR_TARGET=$(AS_FOR_TARGET) \
+                LD_FOR_TARGET=$(LD_FOR_TARGET) \
+                NM_FOR_TARGET=$(NM_FOR_TARGET) \
+                OBJDUMP_FOR_TARGET=$(OBJDUMP_FOR_TARGET) \
+                OBJCOPY_FOR_TARGET=$(OBJCOPY_FOR_TARGET) \
+                RANLIB_FOR_TARGET=$(RANLIB_FOR_TARGET) \
+                STRIP_FOR_TARGET=$(STRIP_FOR_TARGET) \
+                READELF_FOR_TARGET=$(READELF_FOR_TARGET) -C newlib
 
 tools:
-	$(MAKE) ARCH=$(ARCH) CFLAGS="$(CFLAGS_FOR_TOOLS)" LDFLAGS="$(LDFLAGS_FOR_TOOLS)" -C tools
+	$(MAKE) ARCH=$(ARCH) BIT=$(BIT) CFLAGS="$(CFLAGS_FOR_TOOLS)" LDFLAGS="$(LDFLAGS_FOR_TOOLS)" -C tools
 
 $(NAME).elf:
 	$Q$(LD_FOR_TARGET) $(LDFLAGS) -o $(NAME).elf $^
@@ -80,6 +103,7 @@ clean:
 
 veryclean: clean
 	$Q$(RM) qemu-vlan0.pcap
+	$Q$(MAKE) -C newlib veryclean
 	@echo Very cleaned
 
 qemu: $(NAME).elf
diff --git a/newlib/Makefile b/newlib/Makefile
index 2951cfe..66693e3 100644
--- a/newlib/Makefile
+++ b/newlib/Makefile
@@ -20,7 +20,7 @@ OPT = --disable-shared --disable-multilib --enable-newlib-hw-fp --disable-newlib
 
 default: $(ARCH)
 	$(MAKE) ARCH=$(ARCH) BIT=$(BIT) TARGET=$(TARGET) CFLAGS+="-ffreestanding -Wall -I$(NEWLIB)/include -I../../include -I../../arch/$(ARCH)/include" LDFLAGS+="-nostdlib -L$(NEWLIB)/lib" -C examples depend
-	#$(MAKE) ARCH=$(ARCH) BIT=$(BIT) TARGET=$(TARGET) CFLAGS+="-ffreestanding -Wall -I$(NEWLIB)/include -I../../include -I../../arch/$(ARCH)/include" LDFLAGS+="-nostdlib -L$(NEWLIB)/lib" -C examples
+	$(MAKE) ARCH=$(ARCH) BIT=$(BIT) TARGET=$(TARGET) CFLAGS+="-ffreestanding -Wall -I$(NEWLIB)/include -I../../include -I../../arch/$(ARCH)/include" LDFLAGS+="-nostdlib -L$(NEWLIB)/lib" -C examples
 
 $(ARCH):
 	$(RM) $(TMP)
diff --git a/newlib/src/libgloss/eduos/Makefile.in b/newlib/src/libgloss/eduos/Makefile.in
index e787879..eb16a17 100644
--- a/newlib/src/libgloss/eduos/Makefile.in
+++ b/newlib/src/libgloss/eduos/Makefile.in
@@ -66,8 +66,8 @@ OBJCOPY = `if [ -f ${objroot}/../binutils/objcopy ] ; \
 	else t='$(program_transform_name)'; echo objcopy | sed -e $$t ; fi`
 
 CRT0 = crt0_$(BIT).o
-METALSVM_BSP = libgloss.a
-METALSVM_OBJS = chown.o fork.o gettod.o kill.o open.o sbrk.o times.o write.o \
+EDUOS_BSP = libgloss.a
+EDUOS_OBJS = chown.o errno.o fork.o gettod.o kill.o open.o sbrk.o times.o write.o \
            close.o execve.o fstat.o init.o link.o read.o stat.o unlink.o \
            environ.o  _exit.o getpid.o isatty.o lseek.o readlink.o symlink.o wait.o \
 	   dup.o dup2.o
@@ -80,13 +80,14 @@ INCLUDES += -I$(srcdir)/include
 %.o : %.asm
 	$(NASM) $(NASMFLAGS) -o $@ $<
 
-all: $(CRT0) $(METALSVM_BSP)
+all: $(CRT0) $(EDUOS_BSP)
 
-$(METALSVM_BSP): $(METALSVM_OBJS)
+$(EDUOS_BSP): $(EDUOS_OBJS)
 	$(AR) $(ARFLAGS) $@ $?
 	$(RANLIB) $@
 
 chown.o: $(srcdir)/chown.c
+errno.o: $(srcdir)/errno.c
 fork.o: $(srcdir)/fork.c
 gettod.o: $(srcdir)/gettod.c
 kill.o: $(srcdir)/kill.c
@@ -115,7 +116,7 @@ dup2.o: $(srcdir)/dup2.c
 
 install: $($(CPU)_INSTALL)
 	$(INSTALL_DATA) $(CRT0) $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}/crt0.o
-	$(INSTALL_DATA) $(METALSVM_BSP) $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}/$(METALSVM_BSP)
+	$(INSTALL_DATA) $(EDUOS_BSP) $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}/$(EDUOS_BSP)
 	$(INSTALL_DATA) ${srcdir}/link$(BIT).ld $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}/link.ld
 	for i in ${srcdir}/include/sys/*.h; do \
 	 ${INSTALL_DATA} $$i ${DESTDIR}${tooldir}/include/sys/`basename $$i`; \