message: Fix cp on Mac
diff: @@ -184,7 +184,12 @@ compile-boost:
  @cd $(builddir)/boost_1_64_0/; bash -c "BOOST_BUILD_PATH='./' ./bootstrap.sh --with-libraries=thread,system,log,serialization \
  && ./b2 -j4"; # compile boost faster with threads
  @cp $(builddir)/boost_1_64_0/stage/lib/*.a $(PWD)/install/lib/
  +ifeq ($(uname_os), Linux)
  @cp -r $(builddir)/boost_1_64_0/boost/ $(PWD)/install/include/
  +endif
  +ifeq ($(uname_os), Darwin)
  + @cp -R $(builddir)/boost_1_64_0/boost/ $(PWD)/install/include/
  +endif
  @touch compile-boost
  # Support only in c++14
  @@ -197,7 +202,12 @@ compile-libote:compile-boost
  @mv $(PWD)/install/lib/liblibOTe.a $(PWD)/install/lib/libOTe.a
  @mkdir -p $(PWD)/install/include/libOTe
  @cd $(builddir)/libOTe/ && find . -name "*.h" -type f |xargs -I {} cp --parents {} $(PWD)/install/include/libOTe
  +ifeq ($(uname_os), Linux)
  @cp -r $(builddir)/libOTe/cryptoTools/cryptoTools/gsl $(PWD)/install/include/libOTe/cryptoTools/cryptoTools
  +endif
  +ifeq ($(uname_os), Darwin)
  + @cp -R $(builddir)/libOTe/cryptoTools/cryptoTools/gsl $(PWD)/install/include/libOTe/cryptoTools/cryptoTools
  +endif
  @cp $(builddir)/libOTe/cryptoTools/thirdparty/miracl/source/libmiracl.a $(PWD)/install/lib
  @touch compile-libote
  