From ba334d1e806d2c089938d8b04bcdb8e1510efcee Mon Sep 17 00:00:00 2001
From: maier <maier@0785d39b-7218-0410-832d-ea1e28bc413d>
Date: Sat, 13 Jul 2013 11:00:50 +0000
Subject: [PATCH] CMake: Don't forget to guard librt as well

git-svn-id: https://svn.dealii.org/trunk@29992 0785d39b-7218-0410-832d-ea1e28bc413d
---
 deal.II/cmake/modules/FindUMFPACK.cmake | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/deal.II/cmake/modules/FindUMFPACK.cmake b/deal.II/cmake/modules/FindUMFPACK.cmake
index fc512a52f3..68f418bf42 100644
--- a/deal.II/cmake/modules/FindUMFPACK.cmake
+++ b/deal.II/cmake/modules/FindUMFPACK.cmake
@@ -146,10 +146,12 @@ IF(UMFPACK_FOUND)
   # lib does not record its dependence on librt.so as evidenced
   # by ldd :-( ):
   #
-  FIND_LIBRARY(rt_lib NAMES rt)
-  MARK_AS_ADVANCED(rt_lib)
-  IF(NOT rt_lib MATCHES "-NOTFOUND")
-    LIST(APPEND UMFPACK_LIBRARIES ${rt_lib})
+  SWITCH_LIBRARY_PREFERENCE()
+  FIND_LIBRARY(rt_LIBRARY NAMES rt)
+  SWITCH_LIBRARY_PREFERENCE()
+  MARK_AS_ADVANCED(rt_LIBRARY)
+  IF(NOT rt_LIBRARY MATCHES "-NOTFOUND")
+    LIST(APPEND UMFPACK_LIBRARIES ${rt_LIBRARY})
   ENDIF()
 
   SET(UMFPACK_INCLUDE_DIRS
-- 
2.39.5