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git-svn-id: https://svn.dealii.org/trunk@29020 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/deal.II/cmake/modules/FindUMFPACK.cmake b/deal.II/cmake/modules/FindUMFPACK.cmake
index 55bac51302c119206bb8867b1cf5cba5a450f2d1..029e8708db09da0da2307f0f645768d1193d0706 100644 (file)
--- a/deal.II/cmake/modules/FindUMFPACK.cmake
+++ b/deal.II/cmake/modules/FindUMFPACK.cmake
@@ -128,7 +128,10 @@ IF(UMFPACK_FOUND)
     )
 
   #
-  # Add rt to the link interface as well:
+  # Add rt to the link interface as well (for whatever reason,
+  # libsuitesparse.so depends on clock_gettime but the shared
+  # lib does not record its dependence on librt.so as evidenced
+  # by ldd :-( ):
   #
   FIND_LIBRARY(rt_lib NAMES rt)
   MARK_AS_ADVANCED(rt_lib)
@@ -167,4 +170,3 @@ ELSE()
     "An optional hint to a SUITESPARSE directory"
     )
 ENDIF()
-