please help me !
 

after enter this code :

../glibc-2.3.3-lfs-5.1/configure --prefix=/tools \
--disable-profile --enable-add-ons=linuxthreads \
--with-binutils=/tools/bin --with-headers=/tools/include \
--without-gd --without-cvs

and enter :

make AUTOCONF=no

he write this :

make -r PARALLELMFLAGS="" CVSOPTS="" -C ../glibc-2.3.3-lfs-5.1 objdir=`pwd` all
make[1]: Entering directory `/mnt/lfs/tools/bin/glibc-2.3.3-lfs-5.1'
make -C csu subdir_lib
make[2]: Entering directory `/mnt/lfs/tools/bin/glibc-2.3.3-lfs-5.1/csu'
make[2]: Leaving directory `/mnt/lfs/tools/bin/glibc-2.3.3-lfs-5.1/csu'
make[2]: Entering directory `/mnt/lfs/tools/bin/glibc-2.3.3-lfs-5.1/csu'
gcc -B/tools/bin/ ../sysdeps/generic/libc-start.c -c -std=gnu99 -O2 -Wall -Winline -Wstrict-prototypes -Wwrite-strings -g -mpreferred-stack-boundary=4 -I../include -I. -I/tools/bin/glibc-build/csu -I.. -I../libio -I/tools/bin/glibc-build -I../sysdeps/i386/elf -I../linuxthreads/sysdeps/unix/sysv/linux/i386 -I../linuxthreads/sysdeps/unix/sysv/linux -I../linuxthreads/sysdeps/pthread -I../sysdeps/pthread -I../linuxthreads/sysdeps/unix/sysv -I../linuxthreads/sysdeps/unix -I../linuxthreads/sysdeps/i386/i686 -I../linuxthreads/sysdeps/i386 -I../sysdeps/unix/sysv/linux/i386 -I../sysdeps/unix/sysv/linux -I../sysdeps/gnu -I../sysdeps/unix/common -I../sysdeps/unix/mman -I../sysdeps/unix/inet -I../sysdeps/unix/sysv/i386 -I../sysdeps/unix/sysv -I../sysdeps/unix/i386 -I../sysdeps/unix -I../sysdeps/posix -I../sysdeps/i386/i686/fpu -I../sysdeps/i386/i686 -I../sysdeps/i386/i486 -I../sysdeps/i386/fpu -I../sysdeps/i386 -I../sysdeps/wordsize-32 -I../sysdeps/ieee754/ldbl-96 -I../sysdeps/ieee754/dbl-64 -I../sysdeps/ieee754/flt-32 -I../sysdeps/ieee754 -I../sysdeps/generic/elf -I../sysdeps/generic -nostdinc -isystem /tools/lib/gcc-lib/i686-pc-linux-gnu/3.3/include -isystem /tools/include -D_LIBC_REENTRANT -include ../include/libc-symbols.h -DHAVE_INITFINI -o /tools/bin/glibc-build/csu/libc-start.o -MD -MP -MF /tools/bin/glibc-build/csu/libc-start.o.dt
In file included from ../include/sys/sysctl.h:2,
from ../sysdeps/unix/sysv/linux/dl-osinfo.h:22,
from ../sysdeps/generic/libc-start.c:32:
../sysdeps/unix/sysv/linux/sys/sysctl.h:31:28: linux/compiler.h: No such file or directory
make[2]: *** [/tools/bin/glibc-build/csu/libc-start.o] Error 1
make[2]: Leaving directory `/mnt/lfs/tools/bin/glibc-2.3.3-lfs-5.1/csu'
make[1]: *** [csu/subdir_lib] Error 2
make[1]: Leaving directory `/mnt/lfs/tools/bin/glibc-2.3.3-lfs-5.1'
make: *** [all] Error 2

Your subject name doesn't really cover the subject. I suppose all posts in LinuxQuestions.org could be labeled 'please help me'.

looks like you didn't copy the kernel-headers over correctly. repeat that step.