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ddb9d60f7d
Ref: https://github.com/mikel/mail/pull/1439 Some gems depend on io-wait, but still support older rubies, so they have to chose between droping support or not listing io-wait. But io-wait could act a a noop on older rubies. https://github.com/ruby/io-wait/commit/75fcb74c32
24 lines
679 B
Ruby
24 lines
679 B
Ruby
# frozen_string_literal: false
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require 'mkmf'
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if RUBY_VERSION < "2.6"
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File.write("Makefile", dummy_makefile($srcdir).join(""))
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else
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target = "io/wait"
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have_func("rb_io_wait")
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unless macro_defined?("DOSISH", "#include <ruby.h>")
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have_header(ioctl_h = "sys/ioctl.h") or ioctl_h = nil
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fionread = %w[sys/ioctl.h sys/filio.h sys/socket.h].find do |h|
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have_macro("FIONREAD", [h, ioctl_h].compact)
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end
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if fionread
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$defs << "-DFIONREAD_HEADER=\"<#{fionread}>\""
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create_makefile(target)
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end
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else
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if have_func("rb_w32_ioctlsocket", "ruby.h")
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have_func("rb_w32_is_socket", "ruby.h")
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create_makefile(target)
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end
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end
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end
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