Apply CPP definition for experimental features only to main dorie exe

CMakeLists.txt

@@ -15,10 +15,8 @@ set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -Wall -Werror")
 # option to change DG scheme via config file
 option(EXPERIMENTAL_DG_FEATURES
   "Enable experimental DG settings through the config file"
-  OFF)
-if(EXPERIMENTAL_DG_FEATURES)
-  add_definitions(-DEXPERIMENTAL_DG_FEATURES)
-endif()
+  OFF
+)
 
 # 
 if(NOT (dune-common_DIR OR dune-common_ROOT OR

dune/dorie/CMakeLists.txt

@@ -3,4 +3,9 @@ add_subdirectory(solver)
 add_subdirectory(impl)
 
 add_executable("dorie" dorie.cc)
-dune_target_link_libraries(dorie dorie-impl ${DUNE_LIBS})
\ No newline at end of file
+dune_target_link_libraries(dorie dorie-impl ${DUNE_LIBS})
+
+# enable setting operator scheme from config file
+if(EXPERIMENTAL_DG_FEATURES)
+    target_compile_definitions("dorie" PUBLIC -DEXPERIMENTAL_DG_FEATURES)
+endif()
\ No newline at end of file