diff -r ceb10f796325 src/slg/engines/tilerepository.cpp
--- a/src/slg/engines/tilerepository.cpp	Mon Dec 18 17:20:21 2017 +0100
+++ b/src/slg/engines/tilerepository.cpp	Wed Nov 07 15:24:25 2018 +0100
@@ -676,3 +676,15 @@
 
 	ar & convergedTiles;
 }
+
+
+namespace slg {
+// Explicit instantiations for portable archives
+template void TileRepository::save(eos::portable_oarchive &ar, const u_int version) const;
+template void TileRepository::load(eos::portable_iarchive &ar, const unsigned int version);
+template void TileRepository::save(boost::archive::binary_oarchive &ar, const u_int version) const;
+template void TileRepository::load(boost::archive::binary_iarchive &ar, const unsigned int version);
+// Explicit instantiations for polymorphic archives
+template void TileRepository::save(boost::archive::polymorphic_oarchive &ar, const u_int version) const;
+template void TileRepository::load(boost::archive::polymorphic_iarchive &ar, const u_int version);
+}
diff -r ceb10f796325 src/slg/film/filmserialize.cpp
--- a/src/slg/film/filmserialize.cpp	Mon Dec 18 17:20:21 2017 +0100
+++ b/src/slg/film/filmserialize.cpp	Wed Nov 07 15:24:25 2018 +0100
@@ -197,3 +197,14 @@
 	ar & initialized;
 	ar & enabledOverlappedScreenBufferUpdate;
 }
+
+namespace slg {
+// Explicit instantiations for portable archives
+template void Film::save(eos::portable_oarchive &ar, const u_int version) const;
+template void Film::load(eos::portable_iarchive &ar, const u_int version);
+template void Film::save(boost::archive::binary_oarchive &ar, const u_int version) const;
+template void Film::load(boost::archive::binary_iarchive &ar, const u_int version);
+// The following 2 lines shouldn't be required but they are with GCC 5
+template void Film::save(boost::archive::polymorphic_oarchive &ar, const u_int version) const;
+template void Film::load(boost::archive::polymorphic_iarchive &ar, const u_int version);
+}