From: ts Date: 2001-09-23T00:27:04+09:00 Subject: [ruby-talk:21546] Re: irb >>>>> "F" == Fabio writes: F> checking for tgetnum() in -lncurses... no F> checking for tgetnum() in -ltermcap... no F> checking for tgetnum() in -lcurses... no F> checking for readline/readline.h... yes F> checking for readline/history.h... yes F> checking for readline() in -lreadline... no F> what it mean ? Probably you don't have libreadline.so or it's in a special directory (same for ncurses, or curses, ...) Try the command locate libreadline locate libncurses Guy Decoux