user@debian5:~/.rvm/src/ruby-1.9.2-p180/ext/readline$ pwd
/home/user/.rvm/src/ruby-1.9.2-p180/ext/readline
user@debian5:~/.rvm/src/ruby-1.9.2-p180/ext/readline$ ruby extconf.rb -- --with-readline-dir=$HOME/.rvm/usr
checking for tgetnum() in -lncurses... no
checking for tgetnum() in -ltermcap... no
checking for tgetnum() in -lcurses... no
checking for readline/readline.h... yes
checking for readline/history.h... yes
checking for readline() in -lreadline... no
checking for readline() in -ledit... no
checking for editline/readline.h... no
user@debian5:~/.rvm/src/ruby-1.9.2-p180/ext/readline$ make
make: Nothing to be done for `all'.
user@debian5:~/.rvm/src/ruby-1.9.2-p180/ext/readline$ make install
make: Nothing to be done for `install'.