To compile when ScalFMM is inside another project

Src/CMakeLists.txt

@@ -78,8 +78,8 @@ target_link_libraries(
 
 # Adding the entire project dir as an include dir
 INCLUDE_DIRECTORIES(
-     ${CMAKE_SOURCE_DIR}/Src 
-     ${CMAKE_BINARY_DIR}/Src 
+     ${CMAKE_CURRENT_SOURCE_DIR}
+     ${CMAKE_CURRENT_BINARY_DIR}
      ${SCALFMM_INCLUDES}
      
 )