diff -up aqsis-1.8.2/include/aqsis/core/ioptions.h.orig aqsis-1.8.2/include/aqsis/core/ioptions.h
--- aqsis-1.8.2/include/aqsis/core/ioptions.h.orig 2012-08-24 14:26:50.000000000 +0200
+++ aqsis-1.8.2/include/aqsis/core/ioptions.h 2020-06-30 10:45:33.348177581 +0200
@@ -29,6 +29,7 @@
#include <aqsis/aqsis.h>
+#include <boost/shared_ptr.hpp>
#include <boost/filesystem/path.hpp>
#include <aqsis/riutil/primvartype.h>