From 30b960ba345fd462f98db204f47bba66819d9884 Mon Sep 17 00:00:00 2001
From: Benoit Daloze <eregontp@gmail.com>
Date: Tue, 30 May 2023 14:21:54 +0200
Subject: [PATCH] [ruby/io-nonblock] Add TruffleRuby support and add it in CI

* Do not use a C extension on TruffleRuby for these 3 methods.

https://github.com/ruby/io-nonblock/commit/1b8e52abfa
---
 ext/io/nonblock/extconf.rb | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/ext/io/nonblock/extconf.rb b/ext/io/nonblock/extconf.rb
index 5321593278..a1e6075c9b 100644
--- a/ext/io/nonblock/extconf.rb
+++ b/ext/io/nonblock/extconf.rb
@@ -2,6 +2,11 @@
 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"