From 27649b95430cbed40923db4ab45119af6b05acb3 Mon Sep 17 00:00:00 2001
From: Martin Kroeker <martin@ruby.chemie.uni-freiburg.de>
Date: Mon, 3 Jun 2019 11:01:33 +0200
Subject: [PATCH] Document NO_AVX512

for #2151
---
 Makefile.rule | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Makefile.rule b/Makefile.rule
index 255d1da46..65d04ee3e 100644
--- a/Makefile.rule
+++ b/Makefile.rule
@@ -163,6 +163,10 @@ NO_AFFINITY = 1
 # Don't use Haswell optimizations if binutils is too old (e.g. RHEL6)
 # NO_AVX2 = 1
 
+# Don't use SkylakeX optimizations if binutils or compiler are too old (the build
+# system will try to determine this automatically)
+# NO_AVX512 = 1
+
 # Don't use parallel make.
 # NO_PARALLEL_MAKE = 1