Ubuntu12.04 compiling kernel, makemenuconfig Error

The following error is reported when executing makemenuconfig in Ubuntu12.04: www.linuxidc.com@www.linuxidc.com :~ /Work/linux_3.9.5/linux-3.9.5 $ makemenuconfigHOSTLDscripts/kconfig/mconfscripts/kconfig/mconf. o: Infunction

When running make menuconfig in Ubuntu 12.04, the following error is reported:

Www.linuxidc.com @ www.linuxidc.com :~ /Work/linux_3.9.5/linux-3.9.5 $ make menuconfig
HOSTLD scripts/kconfig/mconf
Scripts/kconfig/mconf. o: In function 'show _ help ':
Mconf. c :(. text + 0x764): undefined reference to 'stdscr'
Scripts/kconfig/lxdialog/checklist. o: In function 'print _ arrows ':
Checklist. c :(. text + 0x41): undefined reference to 'wmove'
Checklist. c :(. text + 0x61): undefined reference to 'acs _ map'
Checklist. c :(. text + 0x69): undefined reference to 'waddch'
Checklist. c :(. text + 0x7b): undefined reference to 'waddnstr'
Checklist. c :(. text + 0x8c): undefined reference to 'wmove'
Checklist. c :(. text + 0xb3): undefined reference to 'acs _ map'
Checklist. c :(. text + 0xbb): undefined reference to 'waddch'
Checklist. c :(. text + 0x10b): undefined reference to 'acs _ map'

Solution:
Sudo apt-get install libncurses5 libncurses5-dev

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