refs #5672 switch around flags so we can override -O0 in debug builds (maybe speed up drd?)

git-svn-id: file:///svn/toku/tokudb@51009 c7de825b-a66e-492c-adef-691d508d4ae1

cmake_modules/TokuSetupCompiler.cmake

@@ -106,8 +106,8 @@ set_ldflags_if_supported(
   )
 
 ## set extra debugging flags and preprocessor definitions
-set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -g3 -O0")
-set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -g3 -O0")
+set(CMAKE_C_FLAGS_DEBUG "-g3 -O0 ${CMAKE_C_FLAGS_DEBUG}")
+set(CMAKE_CXX_FLAGS_DEBUG "-g3 -O0 ${CMAKE_CXX_FLAGS_DEBUG}")
 set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS_DEBUG _FORTIFY_SOURCE=2)
 
 ## set extra release flags