1757 brakes Monolithic compilation

In file included from /usr/include/boost/archive/detail/basic_oarchive.hpp:25,
                 from /usr/include/boost/archive/detail/common_oarchive.hpp:19,
                 from /usr/include/boost/archive/basic_binary_oarchive.hpp:30,
                 from /usr/include/boost/archive/binary_oarchive_impl.hpp:22,
                 from /usr/include/boost/archive/binary_oarchive.hpp:20,
                 from /home/gladk/dem/yade/currentMono/yade/pkg/snow/PreProcessor/SnowVoxelsLoader.hpp:17,
                 from /home/gladk/dem/yade/currentMono/yade/pkg/snow/PreProcessor/SnowVoxelsLoader.cpp:64,
                 from /home/gladk/dem/yade/currentMono/build-currentMono/packages.cpp:134:
/usr/include/boost/archive/basic_archive.hpp:127:2: error: #error "export.hpp must not be included before any archive header"

1756 compiles normally.

I think the problem is in SnowVoxelsLoader.*