Support -fno-exceptions

test/Jamfile

@@ -89,3 +89,17 @@ run variant_convert_construct_throw.cpp ;
 
 run variant_copy_assign_throw.cpp ;
 run variant_move_assign_throw.cpp ;
+
+local NX =
+    <exception-handling>off
+    <toolset>msvc:<cxxflags>/wd4530
+    <toolset>msvc:<cxxflags>/wd4577
+    ;
+
+run variant_get_by_index.cpp throw_exception.cpp : : : $(NX) : variant_get_by_index_nx ;
+compile variant_get_by_index_cx.cpp : $(NX) : variant_get_by_index_cx_nx ;
+
+run variant_get_by_type.cpp throw_exception.cpp : : : $(NX) : variant_get_by_type_nx ;
+compile variant_get_by_type_cx.cpp : $(NX) : variant_get_by_type_cx_nx ;
+
+run variant_subset.cpp throw_exception.cpp : : : $(NX) : variant_subset_nx ;

test/throw_exception.cpp

@@ -0,0 +1,19 @@
+
+// Copyright 2019 Peter Dimov.
+//
+// Distributed under the Boost Software License, Version 1.0.
+// http://www.boost.org/LICENSE_1_0.txt
+
+#include <exception>
+#include <cstdio>
+
+namespace boost
+{
+
+void throw_exception( std::exception const & e )
+{
+    std::fprintf( stderr, "Exception: %s\n", e.what() );
+    std::terminate();
+}
+
+} // namespace boost