stdlib/ext/readline/extconf.rb

   1 require "mkmf"
   2
   3 $readline_headers = ["stdio.h"]
   4
   5 def have_readline_header(header)
   6   if have_header(header)
   7     $readline_headers.push(header)
   8     return true
   9   else
  10     return false
  11   end
  12 end
  13
  14 def have_readline_var(var)
  15   return have_var(var, $readline_headers)
  16 end
  17
  18 dir_config('curses')
  19 dir_config('ncurses')
  20 dir_config('termcap')
  21 dir_config("readline")
  22 enable_libedit = enable_config("libedit")
  23 have_library("user32", nil) if /cygwin/ === RUBY_PLATFORM
  24 have_library("ncurses", "tgetnum") ||
  25   have_library("termcap", "tgetnum") ||
  26   have_library("curses", "tgetnum")
  27
  28 if enable_libedit
  29   unless (have_readline_header("editline/readline.h") ||
  30           have_readline_header("readline/readline.h")) &&
  31           have_library("edit", "readline")
  32     exit
  33   end
  34 else
  35   unless ((have_readline_header("readline/readline.h") &&
  36            have_readline_header("readline/history.h")) &&
  37            (have_library("readline", "readline") ||
  38             have_library("edit", "readline"))) ||
  39             (have_readline_header("editline/readline.h") &&
  40              have_library("edit", "readline"))
  41     exit
  42   end
  43 end
  44
  45 have_readline_var("rl_filename_completion_function")
  46 have_readline_var("rl_username_completion_function")
  47 have_readline_var("rl_completion_matches")
  48 have_readline_var("rl_deprep_term_function")
  49 have_readline_var("rl_completion_append_character")
  50 have_readline_var("rl_basic_word_break_characters")
  51 have_readline_var("rl_completer_word_break_characters")
  52 have_readline_var("rl_basic_quote_characters")
  53 have_readline_var("rl_completer_quote_characters")
  54 have_readline_var("rl_filename_quote_characters")
  55 have_readline_var("rl_attempted_completion_over")
  56 have_readline_var("rl_library_version")
  57 have_readline_var("rl_event_hook")
  58 have_func("rl_cleanup_after_signal")
  59 have_func("rl_clear_signals")
  60 have_func("rl_vi_editing_mode")
  61 have_func("rl_emacs_editing_mode")
  62 have_func("rl_clear_signals")
  63 have_func("replace_history_entry")
  64 have_func("remove_history")
  65 create_makefile("readline")