From b45420811744e2a95b09a8eb9956a918c73e768f Mon Sep 17 00:00:00 2001
From: Josh Holtrop <jholtrop@gmail.com>
Date: Wed, 24 May 2017 16:10:58 -0400
Subject: [PATCH] fully parallelize the Library builder

---
 lib/rscons/builders/library.rb | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/lib/rscons/builders/library.rb b/lib/rscons/builders/library.rb
index 328764b..a8b2ad9 100644
--- a/lib/rscons/builders/library.rb
+++ b/lib/rscons/builders/library.rb
@@ -43,8 +43,20 @@ module Rscons
           '_TARGET' => target,
           '_SOURCES' => objects,
         })
+        options[:sources] = objects
         command = env.build_command("${ARCMD}", vars)
-        standard_build("AR #{target}", target, command, objects, env, cache)
+        standard_threaded_build("AR #{target}", target, command, objects, env, cache)
+      end
+
+      # Finalize a build.
+      #
+      # @param options [Hash]
+      #   Finalize options.
+      #
+      # @return [String, nil]
+      #   The target name on success or nil on failure.
+      def finalize(options)
+        standard_finalize(options)
       end
 
     end