Got this while trying to compile 2.6.17 kernel. Any ideas ?

root@hackedbox:/usr/src/linux-2.6.17# make xconfig
HOSTCC scripts/basic/fixdep
HOSTCC scripts/basic/split-include
HOSTCC scripts/basic/docproc
CHECK qt
HOSTCC scripts/kconfig/conf.o
sed < scripts/kconfig/lkc_proto.h > scripts/kconfig/lkc_defs.h 's/P(\([^,]*\),.*/#define \1 (\*\1_p)/'
HOSTCC scripts/kconfig/kconfig_load.o
HOSTCC scripts/kconfig/kxgettext.o
HOSTCC scripts/kconfig/mconf.o
SHIPPED scripts/kconfig/zconf.tab.c
SHIPPED scripts/kconfig/lex.zconf.c
SHIPPED scripts/kconfig/zconf.hash.c
HOSTCC scripts/kconfig/zconf.tab.o
/usr/bin/moc -i scripts/kconfig/qconf.h -o scripts/kconfig/qconf.moc
HOSTCXX scripts/kconfig/qconf.o
HOSTLD scripts/kconfig/qconf
scripts/kconfig/qconf arch/i386/Kconfig
qconf: cannot connect to X server
make[1]: *** [xconfig] Error 1
make: *** [xconfig] Error 2
root@hackedbox:/usr/src/linux-2.6.17#