From 5fcd454a16ce316c2b7efa4f46c56fb113004e13 Mon Sep 17 00:00:00 2001
From: "Ryan C. Gordon" <icculus@icculus.org>
Date: Fri, 6 Jan 2017 20:00:17 -0500
Subject: [PATCH] emscripten-buildbot.sh: let user override default SDKDIR.

---
 build-scripts/emscripten-buildbot.sh | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/build-scripts/emscripten-buildbot.sh b/build-scripts/emscripten-buildbot.sh
index 42eebb6976904..d8bac86292bbf 100755
--- a/build-scripts/emscripten-buildbot.sh
+++ b/build-scripts/emscripten-buildbot.sh
@@ -1,9 +1,13 @@
 #!/bin/bash
 
-SDKDIR="/emsdk_portable"
+if [ -z "$SDKDIR" ]; then
+    SDKDIR="/emsdk_portable"
+fi
+
 ENVSCRIPT="$SDKDIR/emsdk_env.sh"
 if [ ! -f "$ENVSCRIPT" ]; then
    echo "ERROR: This script expects the Emscripten SDK to be in '$SDKDIR'." 1>&2
+   echo "ERROR: Set the \$SDKDIR environment variable to override this." 1>&2
    exit 1
 fi