From 341265c4a27cc61f6e562a4b350428a07b4a6f18 Mon Sep 17 00:00:00 2001
From: Andrew Konchin <andry.konchin@gmail.com>
Date: Tue, 17 Sep 2024 13:56:43 +0300
Subject: [PATCH] Skip building on TruffleRuby

---
 Rakefile              | 10 +++++++---
 ext/fiddle/extconf.rb |  5 +++++
 lib/fiddle.rb         |  9 ++++++++-
 3 files changed, 20 insertions(+), 4 deletions(-)

diff --git a/Rakefile b/Rakefile
index aefc9ed5..fb3e8bd4 100644
--- a/Rakefile
+++ b/Rakefile
@@ -17,8 +17,12 @@ namespace :version do
   end
 end
 
-require 'rake/extensiontask'
-Rake::ExtensionTask.new("fiddle")
-Rake::ExtensionTask.new("-test-/memory_view")
+if RUBY_ENGINE == 'ruby'
+  require 'rake/extensiontask'
+  Rake::ExtensionTask.new("fiddle")
+  Rake::ExtensionTask.new("-test-/memory_view")
+else
+  task :compile
+end
 
 task :default => [:compile, :test]
diff --git a/ext/fiddle/extconf.rb b/ext/fiddle/extconf.rb
index 2d85b3ee..422b121c 100644
--- a/ext/fiddle/extconf.rb
+++ b/ext/fiddle/extconf.rb
@@ -1,6 +1,11 @@
 # frozen_string_literal: true
 require 'mkmf'
 
+if RUBY_ENGINE != 'ruby'
+  File.write('Makefile', dummy_makefile("").join)
+  return
+end
+
 # :stopdoc:
 
 def gcc?
diff --git a/lib/fiddle.rb b/lib/fiddle.rb
index 6137c487..cd559dc8 100644
--- a/lib/fiddle.rb
+++ b/lib/fiddle.rb
@@ -1,6 +1,13 @@
 # frozen_string_literal: true
 
-require 'fiddle.so'
+if RUBY_ENGINE == "ruby"
+  require 'fiddle.so'
+else
+  $LOAD_PATH.delete(__dir__)
+  require 'fiddle' # load from stdlib
+  return
+end
+
 require 'fiddle/closure'
 require 'fiddle/function'
 require 'fiddle/version'