[cmake] add enable trick to suitesparse test

cmake/modules/AddSuiteSparseFlags.cmake

@@ -13,7 +13,7 @@ function(add_dune_suitesparse_flags _targets)
       get_target_property(_props ${_target} COMPILE_FLAGS)
       string(REPLACE "_props-NOTFOUND" "" _props "${_props}")
       set_target_properties(${_target} PROPERTIES COMPILE_FLAGS
-        "${_props} ${SUITESPARSE_DUNE_COMPILE_FLAGS}")
+        "${_props} ${SUITESPARSE_DUNE_COMPILE_FLAGS} -DENABLE_SUITESPARSE=1")
     endforeach(_target ${_targets})
   endif(SUITESPARSE_FOUND)
 endfunction(add_dune_suitesparse_flags)

cmake/modules/FindSuiteSparse.cmake

@@ -224,6 +224,7 @@ set(HAVE_SUITESPARSE ${SUITESPARSE_FOUND})
 # register all SuiteSparse related flags
 if(SUITESPARSE_FOUND)
   dune_register_package_flags(
+    COMPILE_DEFINITION "ENABLE_SUITESPARSE=1"
     LIBRARIES "${SUITESPARSE_LIBRARIES}"
     INCLUDE_DIRS "${SUITESPARSE_INCLUDE_DIRS}")
 endif()

config.h.cmake

@@ -104,7 +104,7 @@
 #cmakedefine HAVE_UMFPACK ENABLE_UMFPACK
 
 /* Define to 1 if the SuiteSparse library is available */
-#cmakedefine HAVE_SUITESPARSE 1
+#cmakedefine HAVE_SUITESPARSE ENABLE_SUITESPARSE
 
 /* Define to ENABLE_PARMETIS if you have the Parmetis library.
    This is only true if MPI was found