message: replace cp --parantes with rsync on mac
diff: @@ -175,11 +175,12 @@ compile-libote:
  @cp $(builddir)/libOTe/lib/*.a install/lib/
  @mv install/lib/liblibOTe.a install/lib/libOTe.a
  $(info$(shell mkdir -p install/include/libOTe))
  - @cd $(builddir)/libOTe/ && find . -name "*.h" -type f |xargs -I {} cp --parents {} $(PWD)/install/include/libOTe
  ifeq ($(uname_os), Linux)
  + @cd $(builddir)/libOTe/ && find . -name "*.h" -type f |xargs -I {} cp --parents {} $(PWD)/install/include/libOTe
  @cp -r $(builddir)/libOTe/cryptoTools/cryptoTools/gsl $(PWD)/install/include/libOTe/cryptoTools/cryptoTools
  endif
  ifeq ($(uname_os), Darwin)
  + @cd $(builddir)/libOTe/ && find . -name "*.h" -type f |xargs -I {} rsync -R {} $(PWD)/install/include/libOTe
  @cp -R $(builddir)/libOTe/cryptoTools/cryptoTools/gsl $(PWD)/install/include/libOTe/cryptoTools/cryptoTools
  endif
  @touch compile-libote
  