1 files changed, 26 insertions, 5 deletions
diff --git a/ext/strscan/strscan.gemspec b/ext/strscan/strscan.gemspec
index 5d8119ea4c..a51285fa7e 100644
--- a/ext/strscan/strscan.gemspec
+++ b/ext/strscan/strscan.gemspec
@@ -16,13 +16,34 @@ Gem::Specification.new do |s|
   s.summary = "Provides lexical scanning operations on a String."
   s.description = "Provides lexical scanning operations on a String."
 
-  s.require_path = %w{lib}
-  s.files = %w{ext/strscan/extconf.rb ext/strscan/strscan.c}
-  s.extensions = %w{ext/strscan/extconf.rb}
+  files = %w[
+    COPYING
+    LICENSE.txt
+    lib/strscan.rb
+    lib/strscan/strscan.rb
+    lib/strscan/truffleruby.rb
+  ]
+
+  s.require_paths = %w{lib}
+
+  if RUBY_ENGINE == "jruby"
+    files << "lib/strscan.jar"
+    s.platform = "java"
+  else
+    files << "ext/strscan/extconf.rb"
+    files << "ext/strscan/strscan.c"
+    s.rdoc_options << "-idoc"
+    s.extra_rdoc_files = [
+      ".rdoc_options",
+      *Dir.glob("doc/strscan/**/*")
+    ]
+    s.extensions = %w{ext/strscan/extconf.rb}
+  end
+  s.files = files
   s.required_ruby_version = ">= 2.4.0"
 
-  s.authors = ["Minero Aoki", "Sutou Kouhei"]
-  s.email = [nil, "kou@cozmixng.org"]
+  s.authors = ["Minero Aoki", "Sutou Kouhei", "Charles Oliver Nutter"]
+  s.email = [nil, "kou@cozmixng.org", "headius@headius.com"]
   s.homepage = "https://github.com/ruby/strscan"
   s.licenses = ["Ruby", "BSD-2-Clause"]
 end