1 files changed, 31 insertions, 0 deletions
diff --git a/ext/stringio/stringio.gemspec b/ext/stringio/stringio.gemspec
new file mode 100644
index 0000000000..524d976cfb
--- /dev/null
+++ b/ext/stringio/stringio.gemspec
@@ -0,0 +1,31 @@
+# -*- encoding: utf-8 -*-
+# frozen_string_literal: true
+
+source_version = ["", "ext/stringio/"].find do |dir|
+  begin
+    break File.open(File.join(__dir__, "#{dir}stringio.c")) {|f|
+      f.gets("\n#define STRINGIO_VERSION ")
+      f.gets[/\s*"(.+)"/, 1]
+    }
+  rescue Errno::ENOENT
+  end
+end
+Gem::Specification.new do |s|
+  s.name = "stringio"
+  s.version = source_version
+
+  s.required_rubygems_version = Gem::Requirement.new(">= 2.6")
+  s.require_paths = ["lib"]
+  s.authors = ["Nobu Nakada"]
+  s.description = "Pseudo `IO` class from/to `String`."
+  s.email = "nobu@ruby-lang.org"
+  s.extensions = ["ext/stringio/extconf.rb"]
+  s.files = ["README.md", "ext/stringio/extconf.rb", "ext/stringio/stringio.c"]
+  s.homepage = "https://github.com/ruby/stringio"
+  s.licenses = ["Ruby", "BSD-2-Clause"]
+  s.required_ruby_version = ">= 2.5"
+  s.summary = "Pseudo IO on String"
+
+  # s.cert_chain  = %w[certs/nobu.pem]
+  # s.signing_key = File.expand_path("~/.ssh/gem-private_key.pem") if $0 =~ /gem\z/
+end