message: cmake: we discourage exceptions
diff: @@ -9,7 +9,8 @@ set(CMAKE_CXX_FLAGS_DEBUG "-DDEBUG")
  # We want C++11 and lots of warnings.
  if(NOT MSVC)
  # Clang and GCC
  - add_definitions("-std=c++11 -Wall -Wextra -Werror")
  + # We are not using exceptions to make it easier to write wrappers.
  + add_definitions("-std=c++11 -Wall -Wextra -Werror -fno-exceptions")
  set(platform_libs "pthread")
  set(curl_lib "curl")
  else()
  