adding build files for rubygem whispercpp

bindings/ruby/Rakefile

@@ -0,0 +1,27 @@
+require 'erb'
+require 'rubygems/package'
+
+# Determine the current version of the software
+if File.read('../../CMakeLists.txt') =~ /project.*\s*VERSION\s*(\d.+)\)/
+  CURRENT_VERSION = $1
+else
+  CURRENT_VERSION = "0.0.0"
+end
+
+desc 'Generate gem specification'
+task :gemspec do
+  tspec = ERB.new(File.read(File.join(File.dirname(__FILE__),'lib','whispercpp.gemspec.erb')))
+  File.open(File.join(File.dirname(__FILE__),'whispercpp.gemspec'),'wb') do|f|
+    f << tspec.result
+  end
+end
+
+desc 'Build gem'
+task :package => :gemspec do
+  spec_source = File.read File.join(File.dirname(__FILE__),'whispercpp.gemspec')
+  spec = nil
+  # see: http://gist.github.com/16215
+  Thread.new { spec = eval("#{spec_source}") }.join
+  spec.validate
+  Gem::Package.build(spec)
+end

bindings/ruby/lib/whispercpp.gemspec.erb

@@ -0,0 +1,40 @@
+Gem::Specification.new do |s|
+  s.name    = "whispercpp"
+  s.authors = ["Georgi Gerganov", "Todd A. Fisher"]
+  s.version = '<%= CURRENT_VERSION %>'
+  s.date    = '<%= Time.now.strftime("%Y-%m-%d") %>'
+  s.description = %q{High-performance inference of OpenAI's Whisper automatic speech recognition (ASR) model via Ruby}
+  s.email   = 'todd.fisher@gmail.com'
+  s.extra_rdoc_files = ['../../LICENSE', '../../README.md']
+  <%
+    files = %w(../../LICENSE ../../README.md Rakefile ext/extconf.rb) +
+      Dir["lib/**/**.rb"] +
+      Dir["ext/**/**.c"] +
+      Dir["ext/**/**.cpp"] +
+      Dir["ext/**/**.h"]
+
+    if ENV['BINARY_PACKAGE'] # TODO: we could build binary packages 
+      files += Dir['ext/**/*.{o,so,bundle}']
+    end
+  %>
+  s.files = <%= files.inspect %>
+
+  #### Load-time details
+  s.require_paths = ['lib','ext']
+  s.summary = %q{Ruby whisper.cpp bindings}
+  s.test_files = <%= Dir['tests/**/**.rb'].inspect %>
+  <% unless ENV['BINARY_PACKAGE'] %>
+  s.extensions << 'ext/extconf.rb'
+  <% end %>
+
+  #### Documentation and testing.
+  s.homepage = 'https://github.com/ggerganov/whisper.cpp'
+  s.rdoc_options = ['--main', '../../README.md']
+
+  <% if ENV['BINARY_PACKAGE'] %>
+    s.platform = Gem::Platform::CURRENT
+  <% else %>
+    s.platform = Gem::Platform::RUBY
+  <% end %>
+  s.licenses = ['MIT']
+end