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require 'mkmf'
ok = true
hdr = nil
case
when macro_defined?("_WIN32", "")
# rb_w32_map_errno: 1.8.7
when hdr = %w"termios.h termio.h".find {|h| have_header(h)}
have_func("cfmakeraw", hdr)
when have_header(hdr = "sgtty.h")
%w"stty gtty".each {|f| have_func(f, hdr)}
else
ok = false
end
if ok
have_header("sys/ioctl.h")
# rb_check_hash_type: 1.9.3
# rb_io_get_write_io: 1.9.1
# rb_cloexec_open: 2.0.0
create_makefile("io/console")
end
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