cmake HAS_CXX11 examples

cmu-db/peloton third_party/capnproto/c++/CMakeLists.txt :10 

check_include_file_cxx(initializer_list HAS_CXX11)

cmu-db/peloton third_party/capnproto/c++/CMakeLists.txt :12 

check_include_file_cxx(initializer_list HAS_CXX11 "-std=gnu++0x")