From 4f52f0e181fab5b7964124c598ec9a1ce8eeb2ed Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jukka=20Jyl=C3=A4nki?= <jujjyl@gmail.com>
Date: Tue, 30 Dec 2014 18:55:49 +0200
Subject: [PATCH] Add a comment to emsdk_env.sh to remind that it's supposed to
 be sourced.

---
 emsdk_env.sh | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/emsdk_env.sh b/emsdk_env.sh
index 8d19fcb..ba66ae9 100755
--- a/emsdk_env.sh
+++ b/emsdk_env.sh
@@ -1,6 +1,20 @@
 # This script is sourced by the user and uses
 # their shell. Try not to use bashisms.
 
+# Do not execute this script without sourcing,
+# because it won't have any effect then.
+# That is, always run this script with
+#
+#     . ./emsdk_env.sh
+# or
+#     source ./emsdk_env.sh
+#
+# instead of just plainly running with
+#
+#     ./emsdk_env.sh
+#
+# which won't have any effect.
+
 SRC="$BASH_SOURCE"
 if [ "$SRC" = "" ]; then
   SRC="$_"