message: Fixed CMake build issue when building with Clang.
diff: @@ -131,8 +131,7 @@ elseif(CMAKE_COMPILER_IS_GNUCXX)
  elseif(${CMAKE_CXX_COMPILER_ID} MATCHES "Clang")
  set(CMAKE_CXX_FLAGS
  - "${CMAKE_CXX_FLAGS} -std=c++0x -Wall -pedantic -Werror \
  - -Wextra -Wno-unused-parameter")
  + "${CMAKE_CXX_FLAGS} -std=c++0x -Wall -pedantic -Werror -Wextra -Wno-unused-parameter")
  if(NOT "${CMAKE_SYSTEM_NAME}" MATCHES "Linux")
  set(CMAKE_CXX_FLAGS
  "${CMAKE_CXX_FLAGS} -stdlib=libc++")
  