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      1 
      2 # Umfpack lib usually requires linking to a blas library.
      3 # It is up to the user of this module to find a BLAS and link to it.
      4 
      5 if (SUPERLU_INCLUDES AND SUPERLU_LIBRARIES)
      6   set(SUPERLU_FIND_QUIETLY TRUE)
      7 endif (SUPERLU_INCLUDES AND SUPERLU_LIBRARIES)
      8 
      9 find_path(SUPERLU_INCLUDES
     10   NAMES
     11   supermatrix.h
     12   PATHS
     13   $ENV{SUPERLUDIR}
     14   ${INCLUDE_INSTALL_DIR}
     15   PATH_SUFFIXES
     16   superlu
     17   SRC
     18 )
     19 
     20 find_library(SUPERLU_LIBRARIES
     21   NAMES "superlu_5.2.1" "superlu_5.2" "superlu_5.1.1" "superlu_5.1" "superlu_5.0" "superlu_4.3" "superlu_4.2" "superlu_4.1" "superlu_4.0" "superlu_3.1" "superlu_3.0" "superlu"
     22   PATHS $ENV{SUPERLUDIR} ${LIB_INSTALL_DIR}
     23   PATH_SUFFIXES lib)
     24 
     25 if(SUPERLU_INCLUDES AND SUPERLU_LIBRARIES)
     26 
     27 include(CheckCXXSourceCompiles)
     28 include(CMakePushCheckState)
     29 cmake_push_check_state()
     30 
     31 set(CMAKE_REQUIRED_INCLUDES ${CMAKE_REQUIRED_INCLUDES} ${SUPERLU_INCLUDES})
     32 
     33 # check whether struct mem_usage_t is globally defined
     34 check_cxx_source_compiles("
     35 typedef int int_t;
     36 #include <supermatrix.h>
     37 #include <slu_util.h>
     38 int main() {
     39   mem_usage_t mem;
     40   return 0;
     41 }"
     42 SUPERLU_HAS_GLOBAL_MEM_USAGE_T)
     43 
     44 
     45 check_cxx_source_compiles("
     46 typedef int int_t;
     47 #include <supermatrix.h>
     48 #include <superlu_enum_consts.h>
     49 int main() {
     50   return SLU_SINGLE;
     51 }"
     52 SUPERLU_HAS_CLEAN_ENUMS)
     53 
     54 check_cxx_source_compiles("
     55 typedef int int_t;
     56 #include <supermatrix.h>
     57 #include <slu_util.h>
     58 int main(void)
     59 {
     60   GlobalLU_t glu;
     61   return 0;
     62 }"
     63 SUPERLU_HAS_GLOBALLU_T)
     64 
     65 if(SUPERLU_HAS_GLOBALLU_T)
     66   # at least 5.0
     67   set(SUPERLU_VERSION_VAR "5.0")
     68 elseif(SUPERLU_HAS_CLEAN_ENUMS)
     69   # at least 4.3
     70   set(SUPERLU_VERSION_VAR "4.3")
     71 elseif(SUPERLU_HAS_GLOBAL_MEM_USAGE_T)
     72   # at least 4.0
     73   set(SUPERLU_VERSION_VAR "4.0")
     74 else()
     75   set(SUPERLU_VERSION_VAR "3.0")
     76 endif()
     77 
     78 cmake_pop_check_state()
     79 
     80 if(SuperLU_FIND_VERSION)
     81   if(${SUPERLU_VERSION_VAR} VERSION_LESS ${SuperLU_FIND_VERSION})
     82     set(SUPERLU_VERSION_OK FALSE)
     83   else()
     84     set(SUPERLU_VERSION_OK TRUE)
     85   endif()
     86 else()
     87   set(SUPERLU_VERSION_OK TRUE)
     88 endif()
     89 
     90 endif()
     91 
     92 include(FindPackageHandleStandardArgs)
     93 find_package_handle_standard_args(SUPERLU
     94                                   REQUIRED_VARS SUPERLU_INCLUDES SUPERLU_LIBRARIES SUPERLU_VERSION_OK
     95                                   VERSION_VAR SUPERLU_VERSION_VAR)
     96 
     97 mark_as_advanced(SUPERLU_INCLUDES SUPERLU_LIBRARIES)
     98