From 9c97fa1a72f3063201a7f365379ea702b29a43e0 Mon Sep 17 00:00:00 2001
From: Matthias Maier <matthias.maier@iwr.uni-heidelberg.de>
Date: Tue, 27 Jan 2015 12:47:27 +0100
Subject: [PATCH] CMake: Fix FIND_SYSTEM_LIBRARY macro

---
 cmake/macros/macro_find_system_library.cmake | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cmake/macros/macro_find_system_library.cmake b/cmake/macros/macro_find_system_library.cmake
index 9f0562aa34..a2e9f44bf1 100644
--- a/cmake/macros/macro_find_system_library.cmake
+++ b/cmake/macros/macro_find_system_library.cmake
@@ -42,7 +42,7 @@ MACRO(FIND_SYSTEM_LIBRARY)
       ENDIF()
     ENDFOREACH()
 
-    IF(NOT _variable)
+    IF(NOT ${_variable})
       SET(${_variable} "${_variable}-NOTFOUND")
     ENDIF()
   ENDIF()
-- 
2.39.5