From d015619a56c3c3d8405de5fc47b088b4ed2846dc Mon Sep 17 00:00:00 2001
From: Andrzej Kurek <andrzej.kurek@mobica.com>
Date: Wed, 17 Apr 2019 06:02:38 -0400
Subject: [PATCH] Export the submodule flag to sub-makes

Export the flag so that the crypto submodule knows how it is being built
---
 Makefile | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 527486f6b..e898975db 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,5 @@
-
+# export the submodule flag so that crypto knows it's being built as a submodule
+export USE_CRYPTO_SUBMODULE=1
 DESTDIR=/usr/local
 PREFIX=mbedtls_