cmake _HAVE_LIBSTDCPP_UNORDERED_COLLECTIONS examples

VTREEM/Carve CMakeLists.txt :96

try_compile(_HAVE_LIBSTDCPP_UNORDERED_COLLECTIONS
              ${CMAKE_BINARY_DIR} 
              "${carve_SOURCE_DIR}/cmake/test_libstdcpp_unordered.cpp"
              OUTPUT_VARIABLE OUTPUT)

VTREEM/Carve CMakeLists.txt :107

elseif(_HAVE_LIBSTDCPP_UNORDERED_COLLECTIONS)