it is now up to user of these Find* module to find and link to BLAS and/or LAPACK

cmake/FindCholmod.cmake

diff --git a/cmake/FindCholmod.cmake b/cmake/FindCholmod.cmake
index 908926d..a5e132b 100644
--- a/cmake/FindCholmod.cmake
+++ b/cmake/FindCholmod.cmake
@@ -1,3 +1,5 @@
+# Cholmod lib usually requires linking to a blas and lapack library.
+# It is up to the user of this module to find a BLAS and link to it.
 
 if (CHOLMOD_INCLUDES AND CHOLMOD_LIBRARIES)
   set(CHOLMOD_FIND_QUIETLY TRUE)

cmake/FindSuperLU.cmake

diff --git a/cmake/FindSuperLU.cmake b/cmake/FindSuperLU.cmake
index 881e41e..ca72b44 100644
--- a/cmake/FindSuperLU.cmake
+++ b/cmake/FindSuperLU.cmake
@@ -1,30 +1,23 @@
 
+# Umfpack lib usually requires linking to a blas library.
+# It is up to the user of this module to find a BLAS and link to it.
+
 if (SUPERLU_INCLUDES AND SUPERLU_LIBRARIES)
   set(SUPERLU_FIND_QUIETLY TRUE)
 endif (SUPERLU_INCLUDES AND SUPERLU_LIBRARIES)
 
-find_package(BLAS)
+find_path(SUPERLU_INCLUDES
+  NAMES
+  supermatrix.h
+  PATHS
+  $ENV{SUPERLUDIR}
+  ${INCLUDE_INSTALL_DIR}
+  PATH_SUFFIXES
+  superlu
+)
 
-if(BLAS_FOUND)
+find_library(SUPERLU_LIBRARIES superlu PATHS $ENV{SUPERLUDIR} ${LIB_INSTALL_DIR})
   
-  find_path(SUPERLU_INCLUDES
-    NAMES
-    supermatrix.h
-    PATHS
-    $ENV{SUPERLUDIR}
-    ${INCLUDE_INSTALL_DIR}
-    PATH_SUFFIXES
-    superlu
-  )
-
-  find_library(SUPERLU_LIBRARIES superlu PATHS $ENV{SUPERLUDIR} ${LIB_INSTALL_DIR})
-  
-  if(SUPERLU_LIBRARIES)
-    set(SUPERLU_LIBRARIES ${SUPERLU_LIBRARIES} ${BLAS_LIBRARIES})
-  endif(SUPERLU_LIBRARIES)
-  
-endif(BLAS_FOUND)
-
 include(FindPackageHandleStandardArgs)
 find_package_handle_standard_args(SUPERLU DEFAULT_MSG
                                   SUPERLU_INCLUDES SUPERLU_LIBRARIES)

cmake/FindUmfpack.cmake

diff --git a/cmake/FindUmfpack.cmake b/cmake/FindUmfpack.cmake
index a2c7439..4b6f24f 100644
--- a/cmake/FindUmfpack.cmake
+++ b/cmake/FindUmfpack.cmake
@@ -1,53 +1,45 @@
+# Umfpack lib usually requires linking to a blas library.
+# It is up to the user of this module to find a BLAS and link to it.
 
 if (UMFPACK_INCLUDES AND UMFPACK_LIBRARIES)
   set(UMFPACK_FIND_QUIETLY TRUE)
 endif (UMFPACK_INCLUDES AND UMFPACK_LIBRARIES)
 
-find_package(BLAS)
+find_path(UMFPACK_INCLUDES
+  NAMES
+  umfpack.h
+  PATHS
+  $ENV{UMFPACKDIR}
+  ${INCLUDE_INSTALL_DIR}
+  PATH_SUFFIXES
+  suitesparse
+)
 
-if(BLAS_FOUND)
+find_library(UMFPACK_LIBRARIES umfpack PATHS $ENV{UMFPACKDIR} ${LIB_INSTALL_DIR})
 
-  find_path(UMFPACK_INCLUDES
-    NAMES
-    umfpack.h
-    PATHS
-    $ENV{UMFPACKDIR}
-    ${INCLUDE_INSTALL_DIR}
-    PATH_SUFFIXES
-    suitesparse
-  )
+if(UMFPACK_LIBRARIES)
 
-  find_library(UMFPACK_LIBRARIES umfpack PATHS $ENV{UMFPACKDIR} ${LIB_INSTALL_DIR})
+  get_filename_component(UMFPACK_LIBDIR ${UMFPACK_LIBRARIES} PATH)
 
-  if(UMFPACK_LIBRARIES)
+  find_library(AMD_LIBRARY amd PATHS ${UMFPACK_LIBDIR} $ENV{UMFPACKDIR} ${LIB_INSTALL_DIR})
+  if (AMD_LIBRARY)
+    set(UMFPACK_LIBRARIES ${UMFPACK_LIBRARIES} ${AMD_LIBRARY})
+  #else (AMD_LIBRARY)
+  #  set(UMFPACK_LIBRARIES FALSE)
+  endif (AMD_LIBRARY)
 
-    get_filename_component(UMFPACK_LIBDIR ${UMFPACK_LIBRARIES} PATH)
+endif(UMFPACK_LIBRARIES)
 
-    find_library(AMD_LIBRARY amd PATHS ${UMFPACK_LIBDIR} $ENV{UMFPACKDIR} ${LIB_INSTALL_DIR})
-    if (AMD_LIBRARY)
-      set(UMFPACK_LIBRARIES ${UMFPACK_LIBRARIES} ${AMD_LIBRARY})
-    #else (AMD_LIBRARY)
-    #  set(UMFPACK_LIBRARIES FALSE)
-    endif (AMD_LIBRARY)
+if(UMFPACK_LIBRARIES)
 
-  endif(UMFPACK_LIBRARIES)
+  find_library(COLAMD_LIBRARY colamd PATHS ${UMFPACK_LIBDIR} $ENV{UMFPACKDIR} ${LIB_INSTALL_DIR})
+  if (COLAMD_LIBRARY)
+    set(UMFPACK_LIBRARIES ${UMFPACK_LIBRARIES} ${COLAMD_LIBRARY})
+  #else (COLAMD_LIBRARY)
+  #  set(UMFPACK_LIBRARIES FALSE)
+  endif (COLAMD_LIBRARY)
 
-  if(UMFPACK_LIBRARIES)
-
-    find_library(COLAMD_LIBRARY colamd PATHS ${UMFPACK_LIBDIR} $ENV{UMFPACKDIR} ${LIB_INSTALL_DIR})
-    if (COLAMD_LIBRARY)
-      set(UMFPACK_LIBRARIES ${UMFPACK_LIBRARIES} ${COLAMD_LIBRARY})
-    #else (COLAMD_LIBRARY)
-    #  set(UMFPACK_LIBRARIES FALSE)
-    endif (COLAMD_LIBRARY)
-
-  endif(UMFPACK_LIBRARIES)
-
-  if(UMFPACK_LIBRARIES)
-    set(UMFPACK_LIBRARIES ${UMFPACK_LIBRARIES} ${BLAS_LIBRARIES})
-  endif(UMFPACK_LIBRARIES)
-
-endif(BLAS_FOUND)
+endif(UMFPACK_LIBRARIES)
 
 
 include(FindPackageHandleStandardArgs)