try to set flags for protobuf package(but failed)

Former-commit-id: e1cfa073e673d10fb5700896556e2660836ae799

CMakeLists.txt

@@ -36,6 +36,7 @@ include(util)
 include(proto2cpp)
 include(swig)
 
+set(USE_CXX11_ABI False)
 if (NOT DEFINED USE_CXX11_ABI)
   check_cxx11_abi(CXX11_ABI_AVAILABLE)
   set(USE_CXX11_ABI ${CXX11_ABI_AVAILABLE})
@@ -92,11 +93,13 @@ if(WIN32)
   #set(CMAKE_EXE_LINKER_FLAGS_DEBUG "${CMAKE_EXE_LINKER_FLAGS} /DEBUG:FASTLINK")
   set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /D_ITERATOR_DEBUG_LEVEL=0")
 else()
-  set(EXTRA_CXX_FLAGS "-std=c++11 -Wall -Wno-sign-compare -Wno-unused-function -fPIC")
+  set(EXTRA_CXX_FLAGS "-D_GLIBCXX_USE_CXX11_ABI=0 -std=c++11 -Wall -Wno-sign-compare -Wno-unused-function -fPIC")
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${EXTRA_CXX_FLAGS}")
   set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} ${EXTRA_CXX_FLAGS}")
   set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} ${EXTRA_CXX_FLAGS}")
   set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} ${EXTRA_CXX_FLAGS}")
+  set(ENV{CXXFLAGS} "${CMAKE_CXX_FLAGS_RELEASE}")
+  set(ENV{DEBUG_CXXFLAGS} "${CMAKE_CXX_FLAGS_DEBUG}")
 endif()
 
 include(third_party)