Put 1.9.3 support back

Author: pitr-ch

.travis.yml

@@ -36,13 +36,18 @@ matrix:
       rvm: 2.1.10
     - name: MRI 2.0.0
       rvm: 2.0.0
+    - name: MRI 1.9.3
+      rvm: 1.9.3
 
     - name: JRuby 9.1.17.0
       rvm: jruby-9.1.17.0
       jdk: oraclejdk8
     - name: JRuby 9.0.5.0
       rvm: jruby-9.0.5.0
       jdk: oraclejdk8
+    - name: JRuby 1.7.27
+      rvm: jruby-1.7.27
+      jdk: oraclejdk8
 
     - name: MRI head
       rvm: ruby-head

CHANGELOG.md

@@ -1,6 +1,6 @@
 source 'https://rubygems.org'
 
-require_relative 'lib/concurrent/version'
+require File.join(File.dirname(__FILE__ ), 'lib/concurrent/version')
 
 no_path = ENV['NO_PATH']
 options = no_path ? {} : { path: '.' }

Gemfile

@@ -2,6 +2,7 @@
 
 require_relative 'lib/concurrent/version'
 require_relative 'lib/concurrent/utility/engine'
+require_relative 'lib/concurrent/utility/193'
 
 core_gemspec = Gem::Specification.load File.join(__dir__, 'concurrent-ruby.gemspec')
 ext_gemspec  = Gem::Specification.load File.join(__dir__, 'concurrent-ruby-ext.gemspec')
@@ -16,8 +17,8 @@ class ConcurrentRubyJavaExtensionTask < Rake::JavaExtensionTask
     jruby_cpath = nil
     if RUBY_PLATFORM =~ /java/
       begin
-        cpath  = Java::java.lang.System.getProperty('java.class.path').split(File::PATH_SEPARATOR)
-        cpath += Java::java.lang.System.getProperty('sun.boot.class.path').split(File::PATH_SEPARATOR)
+        cpath       = Java::java.lang.System.getProperty('java.class.path').split(File::PATH_SEPARATOR)
+        cpath       += Java::java.lang.System.getProperty('sun.boot.class.path').split(File::PATH_SEPARATOR)
         jruby_cpath = cpath.compact.join(File::PATH_SEPARATOR)
       rescue => e
       end

README.md

@@ -1,4 +1,4 @@
-require_relative 'lib/concurrent/version'
+require File.join(File.dirname(__FILE__ ), 'lib/concurrent/version')
 
 Gem::Specification.new do |s|
   git_files = `git ls-files`.split("\n")
@@ -22,7 +22,7 @@ be obeyed though. Features developed in `concurrent-ruby-edge` are expected to m
 Please see http://concurrent-ruby.com for more information.
   TXT
 
-  s.required_ruby_version = '>= 2.0.0'
+  s.required_ruby_version = '>= 1.9.3'
 
   s.add_runtime_dependency 'concurrent-ruby', "~> #{Concurrent::VERSION}"
 end

Rakefile

@@ -1,4 +1,4 @@
-require_relative 'lib/concurrent/version'
+require File.join(File.dirname(__FILE__ ), 'lib/concurrent/version')
 
 Gem::Specification.new do |s|
   s.name        = 'concurrent-ruby-ext'
@@ -21,7 +21,7 @@ Gem::Specification.new do |s|
   s.require_paths    = ['lib']
   s.extensions       = 'ext/concurrent-ruby-ext/extconf.rb'
 
-  s.required_ruby_version = '>= 2.0.0'
+  s.required_ruby_version = '>= 1.9.3'
 
   s.add_runtime_dependency 'concurrent-ruby', "= #{Concurrent::VERSION}"
 end

concurrent-ruby-edge.gemspec

@@ -1,5 +1,5 @@
-require_relative 'lib/concurrent/version'
-require_relative 'lib/concurrent/utility/engine'
+require File.join(File.dirname(__FILE__ ), 'lib/concurrent/version')
+require File.join(File.dirname(__FILE__ ), 'lib/concurrent/utility/engine')
 
 Gem::Specification.new do |s|
   git_files = `git ls-files`.split("\n")
@@ -25,5 +25,5 @@ Gem::Specification.new do |s|
     Inspired by Erlang, Clojure, Go, JavaScript, actors, and classic concurrency patterns.
   TXT
 
-  s.required_ruby_version = '>= 2.0.0'
+  s.required_ruby_version = '>= 1.9.3'
 end

concurrent-ruby-ext.gemspec

@@ -343,8 +343,14 @@ <h3>Edge Features</h3>
 
 <h2>Supported Ruby versions</h2>
 
-<p>MRI 2.0 and above, JRuby 9000, TruffleRuby are supported. 
-This gem should be fully compatible with any interpreter that is compliant with Ruby 2.0 or newer.
+<ul>
+<li>MRI 2.0 and above</li>
+<li>JRuby 9000</li>
+<li>TruffleRuby are supported. </li>
+<li>Any Ruby interpreter that is compliant with Ruby 2.0 or newer.</li>
+</ul>
+
+<p>Actually we still support mri 1.9.3 and jruby 1.7.27 but we are looking at ways how to drop the support.
 Java 8 is preferred for JRuby but every Java version on which JRuby 9000 runs is supported.</p>
 
 <p>The legacy support for Rubinius is kept but it is no longer maintained, if you would like to help 
@@ -653,12 +659,12 @@ <h2>
         <dt id="VERSION-constant" class="">VERSION =
 
         </dt>
-        <dd><pre class="code"><span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>1.1.0</span><span class='tstring_end'>&#39;</span></span></pre></dd>
+        <dd><pre class="code"><span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>1.1.1</span><span class='tstring_end'>&#39;</span></span></pre></dd>
 
         <dt id="EDGE_VERSION-constant" class="">EDGE_VERSION =
 
         </dt>
-        <dd><pre class="code"><span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>0.4.0</span><span class='tstring_end'>&#39;</span></span></pre></dd>
+        <dd><pre class="code"><span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>0.4.1</span><span class='tstring_end'>&#39;</span></span></pre></dd>
 
         <dt id="NULL_LOGGER-constant" class="">NULL_LOGGER =
           <div class="docstring">