lib/ruby-1.9.1-rc1/ext/io/wait/extconf.rb

   1 require 'mkmf'
   2 target = "io/wait"
   3
   4 unless macro_defined?("DOSISH", "#include <ruby.h>")
   5   have_header(ioctl_h = "sys/ioctl.h") or ioctl_h = nil
   6   fionread = %w[sys/ioctl.h sys/filio.h sys/socket.h].find do |h|
   7     have_macro("FIONREAD", [h, ioctl_h].compact)
   8   end
   9   if fionread
  10     $defs << "-DFIONREAD_HEADER=\"<#{fionread}>\""
  11     create_makefile(target)
  12   end
  13 else
  14   if have_func("rb_w32_ioctlsocket", "ruby.h")
  15     have_func("rb_w32_is_socket", "ruby.h")
  16     create_makefile(target)
  17   end
  18 end