1 files changed, 36 insertions, 0 deletions
diff --git a/ext/date/date.gemspec b/ext/date/date.gemspec
new file mode 100644
index 0000000000..cb439bd0a5
--- /dev/null
+++ b/ext/date/date.gemspec
@@ -0,0 +1,36 @@
+# frozen_string_literal: true
+
+version = File.foreach(File.expand_path("../lib/date.rb", __FILE__)).find do |line|
+  /^\s*VERSION\s*=\s*["'](.*)["']/ =~ line and break $1
+end
+
+Gem::Specification.new do |s|
+  s.name = "date"
+  s.version = version
+  s.summary = "The official date library for Ruby."
+  s.description = "The official date library for Ruby."
+
+  if Gem::Platform === s.platform and s.platform =~ 'java' or RUBY_ENGINE == 'jruby'
+    s.platform = 'java'
+    # No files shipped, no require path, no-op for now on JRuby
+  else
+    s.require_path = %w{lib}
+
+    s.files = [
+      "README.md", "COPYING", "BSDL",
+      "lib/date.rb", "ext/date/date_core.c", "ext/date/date_parse.c", "ext/date/date_strftime.c",
+      "ext/date/date_strptime.c", "ext/date/date_tmx.h", "ext/date/extconf.rb", "ext/date/prereq.mk",
+      "ext/date/zonetab.h", "ext/date/zonetab.list"
+    ]
+    s.extensions = "ext/date/extconf.rb"
+  end
+
+  s.required_ruby_version = ">= 2.6.0"
+
+  s.authors = ["Tadayoshi Funaba"]
+  s.email = [nil]
+  s.homepage = "https://github.com/ruby/date"
+  s.licenses = ["Ruby", "BSD-2-Clause"]
+
+  s.metadata["changelog_uri"] = s.homepage + "/releases"
+end