From 4429d45761e47b14c96548c651c8fb6f6adca4da Mon Sep 17 00:00:00 2001
From: ismagom <gomezi@tcd.ie>
Date: Sat, 17 Jan 2015 13:13:29 -0500
Subject: [PATCH] Fixed warning in CMake when MATLAB not found

---
 cmake/modules/FindMATLAB.cmake | 20 ++++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

diff --git a/cmake/modules/FindMATLAB.cmake b/cmake/modules/FindMATLAB.cmake
index a8218f8ba..00e959f14 100644
--- a/cmake/modules/FindMATLAB.cmake
+++ b/cmake/modules/FindMATLAB.cmake
@@ -84,14 +84,22 @@ else()
   if((NOT DEFINED MATLAB_ROOT)
       OR ("${MATLAB_ROOT}" STREQUAL ""))
     # get path to the Matlab root directory
+    
     execute_process(
       COMMAND which matlab
-      COMMAND xargs readlink
-      COMMAND xargs dirname
-      COMMAND xargs dirname
-      COMMAND xargs echo -n
-      OUTPUT_VARIABLE MATLAB_ROOT
-      )
+      OUTPUT_VARIABLE MATLAB_BIN_EXISTS
+    )
+    
+    IF (MATLAB_BIN_EXISTS)
+      execute_process(
+        COMMAND which matlab
+        COMMAND xargs readlink
+        COMMAND xargs dirname
+        COMMAND xargs dirname
+        COMMAND xargs echo -n
+        OUTPUT_VARIABLE MATLAB_ROOT
+        )
+    ENDIF (MATLAB_BIN_EXISTS)     
   endif()
 
   # Check if this is a Mac