# respect userflags
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -427,7 +427,6 @@ endif()
 #define various build types
 if(CMAKE_COMPILER_IS_GNUCXX)
   set (CMAKE_CXX_FLAGS_RELEASE        "${CMAKE_CXX_FLAGS_RELEASE} -O3 -DNDEBUG")
-  set (CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} -O2 -g")
   set (CMAKE_CXX_FLAGS_DEBUG          "${CMAKE_CXX_FLAGS_DEBUG} -D_GLIBCXX_DEBUG -g3 -fno-inline")
 endif()