1 files changed, 49 insertions, 0 deletions
diff --git a/ext/strscan/strscan.gemspec b/ext/strscan/strscan.gemspec
new file mode 100644
index 0000000000..a51285fa7e
--- /dev/null
+++ b/ext/strscan/strscan.gemspec
@@ -0,0 +1,49 @@
+# frozen_string_literal: true
+#
+source_version = ["", "ext/strscan/"].find do |dir|
+  begin
+    break File.open(File.join(__dir__, "#{dir}strscan.c")) {|f|
+      f.gets("\n#define STRSCAN_VERSION ")
+      f.gets[/\s*"(.+)"/, 1]
+    }
+  rescue Errno::ENOENT
+  end
+end
+
+Gem::Specification.new do |s|
+  s.name = "strscan"
+  s.version = source_version
+  s.summary = "Provides lexical scanning operations on a String."
+  s.description = "Provides lexical scanning operations on a String."
+
+  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", "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