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-rw-r--r--build2/variable.txx6
1 files changed, 6 insertions, 0 deletions
diff --git a/build2/variable.txx b/build2/variable.txx
index e374f22..c2dbea9 100644
--- a/build2/variable.txx
+++ b/build2/variable.txx
@@ -389,6 +389,9 @@ namespace build2
}
template <typename T>
+ const vector<T> value_traits<vector<T>>::empty_instance;
+
+ template <typename T>
const typename value_traits<vector<T>>::value_type_ex
value_traits<vector<T>>::value_type = build2::value_type // VC14 wants =.
{
@@ -558,6 +561,9 @@ namespace build2
}
template <typename K, typename V>
+ const std::map<K,V> value_traits<std::map<K, V>>::empty_instance;
+
+ template <typename K, typename V>
const typename value_traits<std::map<K, V>>::value_type_ex
value_traits<std::map<K, V>>::value_type = build2::value_type // VC14 wants =
{