diff -up boost/lexical_cast.hpp\~ boost/lexical_cast.hpp

--- boost/lexical_cast.hpp~	2013-07-27 12:03:21.000000000 +0200

+++ boost/lexical_cast.hpp	2013-07-30 19:30:54.969548144 +0200

@@ -69,11 +69,6 @@

     throw_exception(bad_lexical_cast(typeid(Source), typeid(Target)))

 #endif

-#if (defined(BOOST_LCAST_HAS_INT128) && !defined(__GNUC__)) || GCC_VERSION > 40700

-#define BOOST_LCAST_HAS_INT128

-#endif

-

-

 namespace boost

 {

     // exception used to indicate runtime lexical_cast failure

@@ -316,7 +311,7 @@ namespace boost {

         > {};

 #endif

-#ifdef BOOST_LCAST_HAS_INT128

+#ifdef BOOST_HAS_INT128

         template <> struct stream_char_common< boost::int128_type >: public boost::mpl::identity< char > {};

         template <> struct stream_char_common< boost::uint128_type >: public boost::mpl::identity< char > {};

 #endif

@@ -613,7 +608,7 @@ namespace boost {

         BOOST_LCAST_DEF(unsigned __int64)

         BOOST_LCAST_DEF(         __int64)

 #endif

-#ifdef BOOST_LCAST_HAS_INT128

+#ifdef BOOST_HAS_INT128

         BOOST_LCAST_DEF(boost::int128_type)

         BOOST_LCAST_DEF(boost::uint128_type)

 #endif

@@ -1827,7 +1822,7 @@ namespace boost {

             bool operator<<(         __int64 n)         { return shl_signed(n); }

 #endif

-#ifdef BOOST_LCAST_HAS_INT128

+#ifdef BOOST_HAS_INT128

         bool operator<<(const boost::uint128_type& n)   { start = lcast_put_unsigned<Traits>(n, finish); return true; }

         bool operator<<(const boost::int128_type& n)    { return shl_signed(n); }

 #endif

@@ -2039,7 +2034,7 @@ namespace boost {

             bool operator>>(__int64& output)                    { return shr_signed(output); }

 #endif

-#ifdef BOOST_LCAST_HAS_INT128

+#ifdef BOOST_HAS_INT128

             bool operator>>(boost::uint128_type& output)        { return shr_unsigned(output); }

             bool operator>>(boost::int128_type& output)         { return shr_signed(output); }

 #endif

@@ -2719,7 +2714,6 @@ namespace boost {

 #undef BOOST_LCAST_THROW_BAD_CAST

 #undef BOOST_LCAST_NO_WCHAR_T

-#undef BOOST_LCAST_HAS_INT128

 #endif // BOOST_LEXICAL_CAST_INCLUDED

Diff finished.  Tue Jul 30 19:30:58 2013