extconf.rb

# extconf.rb - a part of a Ruby binding for terminfo library.
#
# Copyright (C) 2007 Tanaka Akira. All rights reserved.
# 
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 
#  1. Redistributions of source code must retain the above copyright
#     notice, this list of conditions and the following disclaimer.
#  2. Redistributions in binary form must reproduce the above
#     copyright notice, this list of conditions and the following
#     disclaimer in the documentation and/or other materials provided
#     with the distribution.
#  3. The name of the author may not be used to endorse or promote
#     products derived from this software without specific prior
#     written permission.
# 
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
# GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

require 'mkmf'

# Debian GNU/Linux 4.0 (etch)   curses.h, term.h, -lncurses     (ncurses.h is linked to curses.h)
# FreeBSD 6.2                   curses.h, term.h, -lncurses     (ncurses.h is linked to curses.h)
# OpenBSD 4.0                   curses.h, term.h, -lncurses     (curses.h includes ncurses.h by default)
# HP-UX 11i v3                  term.h, -lcurses
# SunOS 5.10                    curses.h, term.h, -lcurses

# NetBSD 3.1 with ncurses       ncurses.h, -lncurses    (curses.h is incompatible for ncurses)

have_header("curses.h")
have_header("term.h")

have_func("ctermid", "stdio.h")

has_setupterm = true
if have_library("ncurses", "setupterm")
  have_header("ncurses.h")
elsif have_library("curses", "setupterm") 
else
  has_setupterm = false
end

have_header("wchar.h")

rubyio_h = nil
rubyio_h = "ruby/io.h" if have_header("ruby/io.h")
rubyio_h = "rubyio.h" unless rubyio_h

if have_type("rb_io_t", ["ruby.h", rubyio_h])
  have_struct_member("rb_io_t", "fd", ["ruby.h", rubyio_h])
else
  have_struct_member("OpenFile", "fd", ["ruby.h", rubyio_h])
end

have_header("ruby/encoding.h")

if has_setupterm
  create_header
  create_makefile('terminfo')

  open("Makefile", "a") {|mfile|
    mfile.puts <<'End'
rdoc:
	rdoc --op rdoc terminfo.c lib/terminfo.rb
End
  }
else
  puts "terminfo library not found"
end