Error on Compiling Zaptel

hi when i try to compile zaptel-1.2.16 got this error...
/sys/devices/platform/uevent
/sys/fs
find: autoconf.h: No such file or directory
[root@vici3trglobal zaptel-1.2.16]# make clean
grep: /lib/modules/2.6.18-53.el5/build/include/linux/autoconf.h: No such file or directory
rm -f torisatool makefw tor2fw.h radfw.h
rm -f ztcfg torisatool makefw ztmonitor ztspeed zttest fxotune zttool
rm -f patgen pattest patlooptest hdlcstress hdlctest hdlcgen hdlcverify timertest
rm -f *.o ztcfg tzdriver sethdlc sethdlc-new
rm -f zonedata.lo tonezone.lo libtonezone.so *.lo
make -C /lib/modules/2.6.18-53.el5/build SUBDIRS=/usr/src/asterisk/zaptel-1.2.16 clean
make: *** /lib/modules/2.6.18-53.el5/build: No such file or directory. Stop.
make: *** [clean] Error 2
/sys/devices/platform/uevent
/sys/fs
find: autoconf.h: No such file or directory
[root@vici3trglobal zaptel-1.2.16]# make clean
grep: /lib/modules/2.6.18-53.el5/build/include/linux/autoconf.h: No such file or directory
rm -f torisatool makefw tor2fw.h radfw.h
rm -f ztcfg torisatool makefw ztmonitor ztspeed zttest fxotune zttool
rm -f patgen pattest patlooptest hdlcstress hdlctest hdlcgen hdlcverify timertest
rm -f *.o ztcfg tzdriver sethdlc sethdlc-new
rm -f zonedata.lo tonezone.lo libtonezone.so *.lo
make -C /lib/modules/2.6.18-53.el5/build SUBDIRS=/usr/src/asterisk/zaptel-1.2.16 clean
make: *** /lib/modules/2.6.18-53.el5/build: No such file or directory. Stop.
make: *** [clean] Error 2