Add podspec

.gitignore

@@ -1,6 +1,9 @@
 # Temp Files
 *~
 
+# Bundler
+Gemfile.lock
+
 # Build Output
 **/build_result/
 dist/

Gemfile

@@ -0,0 +1,4 @@
+source 'https://rubygems.org'
+
+gem 'cocoapods'
+gem 'rubocop'

J2ObjC.podspec

@@ -0,0 +1,31 @@
+Pod::Spec.new do |s|
+  s.name         = 'J2ObjC'
+  s.version      = '0.9.5'
+  s.license      = { type: 'Apache License, Version 2.0', file: 'LICENSE' }
+  s.summary      = 'J2ObjC\'s JRE emulation library, emulates a subset of the Java runtime library.'
+  s.homepage     = 'https://github.com/google/j2objc'
+  s.author       = 'Google Inc.'
+  s.source       = {
+    http: "https://github.com/google/j2objc/releases/download/#{s.version}/j2objc-#{s.version}.zip",
+    sha1: '6b53c2b47c9cd4c6678d0fee75b00039b83fc120',
+  }
+
+  s.ios.deployment_target = '5.0'
+  s.osx.deployment_target = '10.7'
+  s.requires_arc = false
+
+  # Top level attributes can't be specified by subspecs.
+  s.header_mappings_dir = 'dist/include'
+
+  s.subspec 'lib' do |lib|
+    lib.subspec 'jre_emul' do |jre_emul|
+      jre_emul.public_header_files = %w(
+        dist/include/
+        dist/include/java/**/*
+        dist/include/libcore/**/*
+      )
+      jre_emul.vendored_libraries = "dist/#{lib.base_name}/lib#{jre_emul.base_name}.a"
+      jre_emul.libraries = jre_emul.base_name, 'icucore', 'z'
+    end
+  end
+end