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# frozen_string_literal: false
require 'mkmf'
target = "io/nonblock"
unless RUBY_ENGINE == 'ruby'
File.write("Makefile", dummy_makefile($srcdir).join(""))
return
end
have_func("rb_io_descriptor")
hdr = %w"fcntl.h"
if have_macro("O_NONBLOCK", hdr) and
(have_macro("F_GETFL", hdr) or have_macro("F_SETFL", hdr))
create_makefile(target)
end
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