Only include static_assert when necessary.

[SVN r64009]
2010-07-14 08:28:04 +00:00
parent 906f632706
commit fc3b3863b4
1 changed files with 3 additions and 0 deletions
--- a/include/boost/functional/hash/hash.hpp
+++ b/include/boost/functional/hash/hash.hpp
@@ -15,7 +15,10 @@
 #include <boost/functional/hash/detail/hash_float.hpp>
 #include <string>
 #include <boost/limits.hpp>
+
+#if defined(BOOST_HASH_NO_IMPLICIT_CASTS)
 #include <boost/static_assert.hpp>
+#endif

 #if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
 #include <boost/type_traits/is_pointer.hpp>