message: update makefile to support emp libraries
diff: @@ -63,12 +63,31 @@ obj/mid_layer/%.o: src/mid_layer/%.cpp
  tests:: all
  $(Program)
  -compile-emp:
  - mkdir -p $(builddir)/EMP
  +compile-emp:prepare-emp compile-emp-tool compile-emp-ot compile-emp-m2pc compile-emp-sh2pc
  +
  +prepare-emp:
  + @mkdir -p $(builddir)/EMP
  @cp -r lib/EMP/. $(builddir)/EMP
  - @chmod 777 $(builddir)/EMP/emp-readme/scripts/setup_new_machine.sh
  - @cd $(builddir)/EMP/ && bash emp-readme/scripts/setup_new_machine.sh
  - @touch compile-emp
  +
  +compile-emp-tool:
  + @cd $(builddir)/EMP/emp-tool
  + @cmake CMakeLists.txt
  + @make -f Makefile
  +
  +compile-emp-ot:
  + @cd $(builddir)/EMP/emp-ot
  + @cmake CMakeLists.txt
  + @make -f Makefile
  +
  +compile-emp-m2pc:
  + @cd $(builddir)/EMP/emp-m2pc
  + @cmake CMakeLists.txt
  + @make -f Makefile
  +
  +compile-emp-sh2pc:
  + @cd $(builddir)/EMP/emp-sh2pc
  + @cmake CMakeLists.txt
  + @make -f Makefile
  compile-blake:
  @echo "Compiling the BLAKE2 library"
  