From e3ac608e4125fe13eb2e7dde30ff12d495986839 Mon Sep 17 00:00:00 2001
From: Desire NUENTSA <desire.nuentsa_wakam@inria.fr>
Date: Thu, 2 Aug 2012 10:00:23 +0200
Subject: bug #493 : multiple calls to FindUmfPack (transplanted from
 1914024965172d6920f3cbfa35b09053dcbb7fc8 )

---
 cmake/FindUmfpack.cmake | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/cmake/FindUmfpack.cmake b/cmake/FindUmfpack.cmake
index d42c3c4a2..3df3a0a94 100644
--- a/cmake/FindUmfpack.cmake
+++ b/cmake/FindUmfpack.cmake
@@ -19,8 +19,9 @@ find_path(UMFPACK_INCLUDES
 find_library(UMFPACK_LIBRARIES umfpack PATHS $ENV{UMFPACKDIR} ${LIB_INSTALL_DIR})
 
 if(UMFPACK_LIBRARIES)
-
-  get_filename_component(UMFPACK_LIBDIR ${UMFPACK_LIBRARIES} PATH)
+  if (NOT UMFPACK_LIBDIR)
+    get_filename_component(UMFPACK_LIBDIR ${UMFPACK_LIBRARIES} PATH)
+  endif(NOT UMFPACK_LIBDIR)
 
   find_library(AMD_LIBRARY amd PATHS ${UMFPACK_LIBDIR} $ENV{UMFPACKDIR} ${LIB_INSTALL_DIR})
   if (AMD_LIBRARY)
-- 
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