overkilling: oai support multiple versions of ubuntu

cmake_targets/CMakeLists.txt

@@ -334,7 +334,7 @@ set(CMAKE_EXE_LINKER_FLAGS  "${CMAKE_EXE_LINKER_FLAGS} -ggdb3 -Wl,-rpath -Wl,${C
 #########################
 # set a flag for changes in the source code
 # these changes are related to hardcoded path to include .h files
-set(debugOpt "-ggdb3 -feliminate-dwarf2-dups -DMALLOC_CHECK_=3 -fno-delete-null-pointer-checks")
+set(debugOpt "-ggdb3 -DMALLOC_CHECK_=3 -fno-delete-null-pointer-checks")
 set(CMAKE_C_FLAGS_DEBUG "${debugOpt} -Og")
 set(CMAKE_C_FLAGS_RELWITHDEBINFO "${debugOpt} -O2")
 set(CMAKE_C_FLAGS_RELEASE "-O3")