Feature/issue4 remove support superlu older 4.0

This fixes #4 (closed)

cmake/modules/FindSuperLU.cmake

@@ -33,7 +33,7 @@
#
# look for BLAS
-find_package(BLAS QUIET REQUIRED)
+find_package(BLAS QUIET)
if(NOT BLAS_FOUND)
message(WARNING "SuperLU requires BLAS which was not found, skipping the test.")
return()
@@ -55,7 +55,7 @@ find_path(SUPERLU_INCLUDE_DIR
# look for library, only at positions given by the user
find_library(SUPERLU_LIBRARY
-  NAMES "superlu_4.3" "superlu_4.2" "superlu_4.1" "superlu_4.0" "superlu_3.1" "superlu_3.0" "superlu"
+  NAMES "superlu_4.3" "superlu_4.2" "superlu_4.1" "superlu_4.0" "superlu"
PATHS ${SUPERLU_PREFIX} ${SUPERLU_ROOT}
PATH_SUFFIXES "lib" "lib32" "lib64"
NO_DEFAULT_PATH
@@ -63,7 +63,7 @@ find_library(SUPERLU_LIBRARY
# look for library files, including default paths
find_library(SUPERLU_LIBRARY
-  NAMES "superlu_4.3" "superlu_4.2" "superlu_4.1" "superlu_4.0" "superlu_3.1" "superlu_3.0" "superlu"
+  NAMES "superlu_4.3" "superlu_4.2" "superlu_4.1" "superlu_4.0" "superlu"
PATH_SUFFIXES "lib" "lib32" "lib64"
)
@@ -87,16 +87,6 @@ endif(SUPERLU_LIBRARY)
if(BLAS_LIBRARIES)
set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} ${BLAS_LIBRARIES})
endif(BLAS_LIBRARIES)
-# check whether "mem_usage_t.expansions" was found in "slu_ddefs.h"
-CHECK_C_SOURCE_COMPILES("
-#include <slu_ddefs.h>
-int main(void)
-{
-  mem_usage_t mem;
-  return mem.expansions;
-}"
-HAVE_MEM_USAGE_T_EXPANSIONS)
-
# check whether version is at least 4.3
CHECK_C_SOURCE_COMPILES("
#include <slu_ddefs.h>
@@ -111,7 +101,7 @@ if(SUPERLU_MIN_VERSION_4_3)
set(SUPERLU_WITH_VERSION "SuperLU >= 4.3" CACHE STRING
"Human readable string containing SuperLU version information.")
else()
-  set(SUPERLU_WITH_VERSION "SuperLU <= 4.2, post 2005" CACHE STRING
+  set(SUPERLU_WITH_VERSION "SuperLU <= 4.2 and >= 4.0" CACHE STRING
"Human readable string containing SuperLU version information.")
endif(SUPERLU_MIN_VERSION_4_3)