diff --git a/CMakeLists.txt b/CMakeLists.txt
index a13606c..c573001 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -26,13 +26,13 @@ add_custom_target(dist
     WORKING_DIRECTORY ${CMAKE_SOURCE_DIR})
 
 set(CMAKE_C_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wunused-function")
-set(CMAKE_C_FLAGS "${CMAKE_CXX_FLAGS} -O2")
-#set(CMAKE_C_FLAGS "${CMAKE_CXX_FLAGS} -ggdb")
+#set(CMAKE_C_FLAGS "${CMAKE_CXX_FLAGS} -O2")
+set(CMAKE_C_FLAGS "${CMAKE_CXX_FLAGS} -ggdb")
 
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wunused-function")
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++0x")
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O2")
-#set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -ggdb")
+#set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O2")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -ggdb")
 
 configure_file (${CMAKE_SOURCE_DIR}/src/config.h.in ${CMAKE_SOURCE_DIR}/src/config.h)