Add build summary at the end of a build.

Rakefile

@@ -42,7 +42,14 @@ depfiles += MRuby.targets.reject { |n, t| n == 'host' }.map { |n, t|
 }.flatten
 
 desc "build all targets, install (locally) in-repo"
-task :all => depfiles
+task :all => depfiles do
+  puts
+  puts "Build summary:"
+  puts
+  MRuby.each_target do
+    print_build_summary
+  end
+end
 
 desc "run all mruby tests"
 task :test => MRuby.targets.values.map { |t| t.exefile("#{t.build_dir}/test/mrbtest") } do

tasks/mruby_build.rake

@@ -146,6 +146,16 @@ module MRuby
       sh "#{filename mrbtest}"
       puts 
     end
+
+    def print_build_summary
+      puts "================================================"
+      puts "      Config Name: #{@name}"
+      puts " Output Directory: #{self.build_dir}"
+      puts "         Binaries: #{@bins.join(', ')}" unless @bins.empty?
+      puts "    Included Gems: #{@gems.map{|g| g.name }.join(', ')}" unless @gems.empty?
+      puts "================================================"
+      puts
+    end
   end # Build
 
   class CrossBuild < Build