From f9c6862156ae2d5e220ca4e702eb41edadae6192 Mon Sep 17 00:00:00 2001
From: Marco Satti <marcosatti@gmail.com>
Date: Wed, 8 Aug 2018 21:42:47 +0800
Subject: [PATCH] Does this fix submodules?

---
 external/cereal | 1 +
 1 file changed, 1 insertion(+)
 create mode 160000 external/cereal

diff --git a/external/cereal b/external/cereal
new file mode 160000
index 00000000..51cbda5f
--- /dev/null
+++ b/external/cereal
@@ -0,0 +1 @@
+Subproject commit 51cbda5f30e56c801c07fe3d3aba5d7fb9e6cca4