message(SEND_ERROR"One or more required submodules could not be found! Run 'git submodule update --init' from the root DFHack directory. (See the section 'Getting the Code' in Compile.rst or Compile.html)")
message(SEND_ERROR"One or more required submodules could not be found! Run 'git submodule update --init' from the root DFHack directory. (See the section 'Getting the Code' in docs/Compile.rst)")