From 267fc7124dd43d1d07c6e64e1cd7dd78a2063234 Mon Sep 17 00:00:00 2001
From: Josh Holtrop <jholtrop@gmail.com>
Date: Wed, 17 May 2017 15:52:34 -0400
Subject: [PATCH] process threaded commands until they are all complete

---
 lib/rscons/environment.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/rscons/environment.rb b/lib/rscons/environment.rb
index 82c7a5d..89e113b 100644
--- a/lib/rscons/environment.rb
+++ b/lib/rscons/environment.rb
@@ -285,7 +285,7 @@ module Rscons
     def process
       cache = Cache.instance
       begin
-        while @job_set.size > 0
+        while @job_set.size > 0 or @threaded_commands.size > 0
 
           targets_still_building = @threaded_commands.map do |tc|
             tc.build_operation[:target]