message: Fix build
  Still getting build errors from fc due to invalid partial template
  specializations. Fix by hoisting the compiler flag to fix this from fc up
  to eos as a whole.
diff: @@ -126,6 +126,12 @@ else( WIN32 ) # Apple AND Linux
  if ( FULL_STATIC_BUILD )
  set( CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static-libstdc++ -static-libgcc")
  endif ( FULL_STATIC_BUILD )
  +
  + if( "${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang" )
  + if( CMAKE_CXX_COMPILER_VERSION VERSION_EQUAL 4.0.0 OR CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 4.0.0 )
  + set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-invalid-partial-specialization" )
  + endif()
  + endif()
  endif( APPLE )
  if( "${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU" )
  