From 1dbb060c44423048d9782b9a9977e51cc8f43b8d Mon Sep 17 00:00:00 2001
From: David Baker <dave@matrix.org>
Date: Wed, 10 Oct 2018 19:40:01 +0100
Subject: Add note about passing through env var with docker

---
 README.rst | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'README.rst')

diff --git a/README.rst b/README.rst
index 4f33c00..5a5413e 100644
--- a/README.rst
+++ b/README.rst
@@ -31,6 +31,9 @@ To build the javascript bindings, install emscripten from http://kripken.github.
 
     make js
 
+Note that if you run emscripten in a docker container, you need to pass through
+the EMCC_CLOSURE_ARGS environment variable.
+
 To build the android project for Android bindings, run:
 
 .. code:: bash
-- 
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