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-rw-r--r--boost/date_time/date_duration_types.hpp11
1 files changed, 6 insertions, 5 deletions
diff --git a/boost/date_time/date_duration_types.hpp b/boost/date_time/date_duration_types.hpp
index 8c0e9860d0..7271d0191a 100644
--- a/boost/date_time/date_duration_types.hpp
+++ b/boost/date_time/date_duration_types.hpp
@@ -8,7 +8,8 @@
* Author: Jeff Garland, Bart Garst
* $Date$
*/
-
+
+#include <boost/date_time/compiler_config.hpp>
#include <boost/date_time/int_adapter.hpp>
#include <boost/date_time/special_defs.hpp>
#include <boost/date_time/date_duration.hpp>
@@ -19,7 +20,7 @@ namespace date_time {
//! Additional duration type that represents a number of n*7 days
template <class duration_config>
- class weeks_duration : public date_duration<duration_config> {
+ class BOOST_SYMBOL_VISIBLE weeks_duration : public date_duration<duration_config> {
public:
weeks_duration(typename duration_config::impl_type w)
: date_duration<duration_config>(w * 7) {}
@@ -29,7 +30,7 @@ namespace date_time {
// predeclare
template<class t>
- class years_duration;
+ class BOOST_SYMBOL_VISIBLE years_duration;
//! additional duration type that represents a logical month
/*! A logical month enables things like: "date(2002,Mar,2) + months(2) ->
@@ -37,7 +38,7 @@ namespace date_time {
* also be a last-day-of-the-month.
*/
template<class base_config>
- class months_duration
+ class BOOST_SYMBOL_VISIBLE months_duration
{
private:
typedef typename base_config::int_rep int_rep;
@@ -159,7 +160,7 @@ namespace date_time {
* 2004-Feb-29).
*/
template<class base_config>
- class years_duration
+ class BOOST_SYMBOL_VISIBLE years_duration
{
private:
typedef typename base_config::int_rep int_rep;