hot fix: change METIS_REAL_x into PSB_METIS_REAL_x and relative compiler flag -DPSB_METIS_REAL_x

CMakeLists.txt

@@ -697,11 +697,11 @@ if(METIS_FOUND)
             OUTPUT_VARIABLE type_size)
         string(STRIP "${type_size}" type_size)
         if (type_name STREQUAL "float")
-            set(METIS_REAL_32 "${type_size}" PARENT_SCOPE)
-            add_definitions(-DMETIS_REAL_32)
+            set(PSB_METIS_REAL_32 "${type_size}" PARENT_SCOPE)
+            add_definitions(-DPSB_METIS_REAL_32)
         elseif (type_name STREQUAL "double")
-            set(METIS_REAL_64 "${type_size}" PARENT_SCOPE)
-            add_definitions(-DMETIS_REAL_64)
+            set(PSB_METIS_REAL_64 "${type_size}" PARENT_SCOPE)
+            add_definitions(-DPSB_METIS_REAL_64)
         endif()
     else()
         message(WARNING "Failed to compile test for type size: ${type_name}")
@@ -721,9 +721,9 @@ if(METIS_FOUND)
   
   
   # Determine METIS_INDEX based on real type sizes
-  if(DEFINED METIS_REAL_32)
+  if(DEFINED PSB_METIS_REAL_32)
     set(METIS_INDEX 32)
-  elseif(DEFINED METIS_REAL_64)
+  elseif(DEFINED PSB_METIS_REAL_64)
     set(METIS_INDEX 64)
   else()
     message(WARNING "Neither METIS_REAL_32 nor METIS_REAL_64 is defined.")