From d5251c53eb0e23be30cbf3f3e68422bd647dce24 Mon Sep 17 00:00:00 2001
From: Tobias Oberstein <tobias.oberstein@tavendo.de>
Date: Fri, 9 Oct 2015 14:55:40 +0200
Subject: [PATCH] add developers doc

---
 DEVELOPERS.md | 11 +++++++++++
 Makefile      |  3 +++
 2 files changed, 14 insertions(+)
 create mode 100644 DEVELOPERS.md

diff --git a/DEVELOPERS.md b/DEVELOPERS.md
new file mode 100644
index 00000000..d22d8a3f
--- /dev/null
+++ b/DEVELOPERS.md
@@ -0,0 +1,11 @@
+## Google Closure
+
+For building the browser version of AutobahnJS, you will need the [Google Closure Compiler](https://developers.google.com/closure/compiler/index).
+
+Download from [here](https://dl.google.com/closure-compiler/compiler-latest.zip).
+
+    cd ~
+    wget https://dl.google.com/closure-compiler/compiler-latest.zip
+    unzip -o compiler-latest.zip
+
+Set `$JS_COMPILER` to `${HOME}/compiler.jar`.
diff --git a/Makefile b/Makefile
index e42adaee..71ac63be 100644
--- a/Makefile
+++ b/Makefile
@@ -6,3 +6,6 @@ bundle:
 
 clean:
 	rm -rf build
+
+closure_version:
+	java -jar ${JS_COMPILER} --version