From 4ed2a563ca5d21c4a1f1307cb738fb392b8fd691 Mon Sep 17 00:00:00 2001
From: Mitchell Hashimoto <mitchell.hashimoto@gmail.com>
Date: Fri, 17 Feb 2017 15:31:20 -0800
Subject: [PATCH] Disallow parallelism in Makefile

---
 Makefile | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Makefile b/Makefile
index 8ac89a809..bc08c01b6 100644
--- a/Makefile
+++ b/Makefile
@@ -104,4 +104,9 @@ errcheck:
 vendor-status:
 	@govendor status
 
+# disallow any parallelism (-j) for Make. This is necessary since some
+# commands during the build process create temporary files that collide
+# under parallel conditions.
+.NOTPARALLEL:
+
 .PHONY: bin core-dev core-test cover default dev errcheck fmt fmtcheck generate plugin-dev quickdev test-compile test testacc testrace tools vendor-status vet