When I am using the command make menuconfig, then its showing
sharath@sharath:~/openwrt$ make menuconfig
Checking 'working-make'... ok.
Checking 'case-sensitive-fs'... ok.
Checking 'getopt'... ok.
Checking 'fileutils'... ok.
Checking 'working-gcc'... ok.
Checking 'working-g++'... failed.
Checking 'ncurses'... failed.
Checking 'zlib'... failed.
Checking 'gawk'... failed.
Checking 'flex'... failed.
Checking 'unzip'... ok.
Checking 'bzip2'... ok.
Checking 'patch'... ok.
Checking 'perl'... ok.
Checking 'python'... ok.
Checking 'wget'... ok.
Checking 'gnutar'... ok.
Checking 'svn'... ok.
Checking 'gnu-find'... ok.
Checking 'getopt-extended'... ok.
Checking 'non-root'... ok.
Build dependency: Please install the GNU C++ Compiler (g++).
Build dependency: Please install ncurses. (Missing libncurses.so or ncurses.h)
Build dependency: Please install zlib. (Missing libz.so or zlib.h)
Build dependency: Please install GNU awk.
Build dependency: Please install flex.
Prerequisite check failed. Use FORCE=1 to override.
make: *** [tmp/.prereq-build] Error 1
How can I resolve this ?