examples: boris: fix Boris-PFASST configuration

Author: torbjoernk

examples/boris/CMakeLists.txt

@@ -36,27 +36,18 @@ foreach(example ${boris_examples})
     endif()
 endforeach(example)
 
-if(${pfasst_WITH_MPI})
-    include_directories(${MPI_CXX_INCLUDE_PATH})
-    foreach(example ${boris_examples})
-        if(MPI_COMPILE_FLAGS)
-            set_target_properties(${example} PROPERTIES COMPILE_FLAGS "${MPI_COMPILE_FLAGS}")
-        endif()
-        if(MPI_LINK_FLAGS)
-            set_target_properties(${example} PROPERTIES LINK_FLAGS "${MPI_LINK_FLAGS}")
+if(pfasst_BORIS_SAME_LEVELS)
+    foreach(example "boris_mlsdc" "boris_pfasst")
+        if(TARGET ${example})
+            get_target_property(definitions ${example} COMPILE_DEFINITIONS)
+            if(${definitions})
+                list(APPEND definitions "BORIS_SAME_LEVELS")
+            else()
+                set(definitions "BORIS_SAME_LEVELS")
+            endif()
+            set_target_properties(${example} PROPERTIES COMPILE_DEFINITIONS ${definitions})
         endif()
-        target_link_libraries(${example} ${MPI_CXX_LIBRARIES})
     endforeach(example)
-else()
-    if(pfasst_BORIS_SAME_LEVELS)
-        get_target_property(boris_mlsdc_definitions boris_mlsdc COMPILE_DEFINITIONS)
-        if(${boris_mlsdc_definitions})
-            list(APPEND boris_mlsdc_definitions "BORIS_SAME_LEVELS")
-        else()
-            set(boris_mlsdc_definitions "BORIS_SAME_LEVELS")
-        endif()
-        set_target_properties(boris_mlsdc PROPERTIES COMPILE_DEFINITIONS ${boris_mlsdc_definitions})
-    endif()
 endif()