From e29c20aacd99414a211a7f5af556e9d6d1e4753d Mon Sep 17 00:00:00 2001
From: Moritz Bunkus <moritz@bunkus.org>
Date: Tue, 17 Oct 2017 20:44:16 +0200
Subject: [PATCH] don't enable parallel builds with older versions of rake

At least rake 10.1.x has a bug in that it runs all jobs in parallel
disregarding the maximum number of jobs causing massive memory usage,
hence swap usage.
---
 Rakefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Rakefile b/Rakefile
index 14db29dd9..99311e46c 100644
--- a/Rakefile
+++ b/Rakefile
@@ -26,7 +26,7 @@ end
 # For newer rake turn on parallel processing, too. Newer rake versions
 # use an OpenStruct, though, so testing with responds_to? won't work.
 version = Rake::VERSION.gsub(%r{[^0-9\.]+}, "").split(%r{\.}).map(&:to_i)
-if (version[0] > 10) || ((version[0] == 10) && (version[1] >= 1))
+if (version[0] > 10) || ((version[0] == 10) && (version[1] >= 3))
   Rake.application.options.always_multitask = true
 end