From 5f53757f3a2e9dba408db5b3aa692b1d327f3e5f Mon Sep 17 00:00:00 2001
From: Joe Hermaszewski <github@sub.monoid.al>
Date: Sun, 18 Jun 2017 14:21:23 +0100
Subject: Write to stderr for diagnostic message in ffi.lua

---
 ffi.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ffi.lua b/ffi.lua
index 3fba048..4138f8e 100644
--- a/ffi.lua
+++ b/ffi.lua
@@ -1588,7 +1588,7 @@ cudnnStatus_t             cudnnActivationBackward_v4(
 
 local CUDNN_PATH = os.getenv('CUDNN_PATH')
 if CUDNN_PATH then
-    print('Found Environment variable CUDNN_PATH = ' .. CUDNN_PATH)
+    io.stderr:write('Found Environment variable CUDNN_PATH = ' .. CUDNN_PATH)
     cudnn.C = ffi.load(CUDNN_PATH)
 else
 
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