diff --git a/CMakeLists.txt b/CMakeLists.txt
index 47c677c..a0629fd 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -12,19 +12,20 @@ set(CMAKE_MACOSX_RPATH 0)
 set(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} -Wall)
 
 #for ASAN
-option(ENABLE_SANITIZE_ADDRESS "Enable AddressSanitizer" FALSE)
-option(ENABLE_SANITIZE_THREAD "Enable ThreadSanitizer" FALSE)
+set(ASAN_OPTION "OFF" CACHE STRING " set asan type chosen by the user, using OFF as default")
+set_property(CACHE ASAN_OPTION  PROPERTY STRINGS OFF ADDRESS THREAD)
+message(STATUS "ASAN_OPTION='${ASAN_OPTION}'")
 
-if(ENABLE_SANITIZE_ADDRESS)
-  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=address -fno-omit-frame-pointer")
-  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=address -fno-omit-frame-pointer")
-  set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -lasan")
-  set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -lasan")
-elseif(ENABLE_SANITIZE_THREAD)
-  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=thread -fno-omit-frame-pointer")
-  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=thread -fno-omit-frame-pointer")
-  set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -lasan")
-  set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -lasan")
+if(ASAN_OPTION MATCHES "ADDRESS")
+    set(CMAKE_C_FLAGS "${CMAKADDRESS} -g -DCMAKE_BUILD_TYPE=Debug -fsanitize=address -fno-omit-frame-pointer")
+	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g -DCMAKE_BUILD_TYPE=Debug -fsanitize=address -fno-omit-frame-pointer")
+	set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -lasan")
+	set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -lasan")
+elseif(ASAN_OPTION MATCHES "THREAD")
+	set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g -DCMAKE_BUILD_TYPE=Debug -fsanitize=thread -fno-omit-frame-pointer")
+	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g -DCMAKE_BUILD_TYPE=Debug -fsanitize=thread -fno-omit-frame-pointer")
+	set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -lasan")
+	set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -lasan")
 endif()
 # end of for ASAN