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[ruby/io-wait] Make the gem a noop on Rubies older than 2.6

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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.

75fcb74c32
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Jean Boussier 2022-01-11 16:14:20 +01:00 • committed by Nobuyoshi Nakada
parent 804dca7b0c
commit ddb9d60f7d
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2 changed files with 18 additions and 15 deletions
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32
ext/io/wait/extconf.rb
View file

@ -1,20 +1,24 @@
# frozen_string_literal: false # frozen_string_literal: false
require 'mkmf' require 'mkmf'
target = "io/wait"
have_func("rb_io_wait") if RUBY_VERSION < "2.6"
unless macro_defined?("DOSISH", "#include <ruby.h>") File.write("Makefile", dummy_makefile($srcdir).join(""))
have_header(ioctl_h = "sys/ioctl.h") or ioctl_h = nil
fionread = %w[sys/ioctl.h sys/filio.h sys/socket.h].find do |h|
have_macro("FIONREAD", [h, ioctl_h].compact)
end
if fionread
$defs << "-DFIONREAD_HEADER=\"<#{fionread}>\""
create_makefile(target)
end
else else
if have_func("rb_w32_ioctlsocket", "ruby.h") target = "io/wait"
have_func("rb_w32_is_socket", "ruby.h") have_func("rb_io_wait")
create_makefile(target) unless macro_defined?("DOSISH", "#include <ruby.h>")
have_header(ioctl_h = "sys/ioctl.h") or ioctl_h = nil
fionread = %w[sys/ioctl.h sys/filio.h sys/socket.h].find do |h|
have_macro("FIONREAD", [h, ioctl_h].compact)
end
if fionread
$defs << "-DFIONREAD_HEADER=\"<#{fionread}>\""
create_makefile(target)
end
else
if have_func("rb_w32_ioctlsocket", "ruby.h")
have_func("rb_w32_is_socket", "ruby.h")
create_makefile(target)
end
end end
end end

1
ext/io/wait/io-wait.gemspec
View file

@ -10,7 +10,6 @@ Gem::Specification.new do |spec|
spec.description = %q{Waits until IO is readable or writable without blocking.} spec.description = %q{Waits until IO is readable or writable without blocking.}
spec.homepage = "https://github.com/ruby/io-wait" spec.homepage = "https://github.com/ruby/io-wait"
spec.licenses = ["Ruby", "BSD-2-Clause"] spec.licenses = ["Ruby", "BSD-2-Clause"]
spec.required_ruby_version = Gem::Requirement.new(">= 2.6.0")
spec.metadata["homepage_uri"] = spec.homepage spec.metadata["homepage_uri"] = spec.homepage
spec.metadata["source_code_uri"] = spec.homepage spec.metadata["source_code_uri"] = spec.homepage