williamr@4: // --------------------------------------------------
williamr@4: //
williamr@4: // (C) Copyright Chuck Allison and Jeremy Siek 2001 - 2002.
williamr@4: // (C) Copyright Gennaro Prota                 2003 - 2004.
williamr@4: //
williamr@4: // Distributed under the Boost Software License, Version 1.0.
williamr@4: //    (See accompanying file LICENSE_1_0.txt or copy at
williamr@4: //          http://www.boost.org/LICENSE_1_0.txt)
williamr@4: //
williamr@4: // -----------------------------------------------------------
williamr@4: 
williamr@4: //  See http://www.boost.org/libs/dynamic_bitset for documentation.
williamr@4: 
williamr@4: 
williamr@4: #ifndef BOOST_DYNAMIC_BITSET_CONFIG_HPP_GP_20040424
williamr@4: #define BOOST_DYNAMIC_BITSET_CONFIG_HPP_GP_20040424
williamr@4: 
williamr@4: #include "boost/config.hpp"
williamr@4: #include "boost/detail/workaround.hpp"
williamr@4: 
williamr@4: // support for pre 3.0 libstdc++ - thanks Phil Edwards!
williamr@4: #if defined (__STL_CONFIG_H) && !defined (__STL_USE_NEW_IOSTREAMS)
williamr@4: # define BOOST_OLD_IOSTREAMS
williamr@4: #endif
williamr@4: 
williamr@4: // this should be in the config system some day
williamr@4: // see http://lists.boost.org/MailArchives/boost/msg62291.php
williamr@4: #define BOOST_DYNAMIC_BITSET_GNUC_VERSION  (  __GNUC__       * 100 * 100     \
williamr@4:                                             + __GNUC_MINOR__ * 100)
williamr@4: 
williamr@4: // workaround for gcc bug c++/8419 - gps
williamr@4: 
williamr@4: namespace boost { namespace detail {
williamr@4:     template <typename T> T make_non_const(T t) { return t; }
williamr@4: }}
williamr@4: 
williamr@4: #if defined(__GNUC__) && BOOST_WORKAROUND(BOOST_DYNAMIC_BITSET_GNUC_VERSION, \
williamr@4:                                           BOOST_TESTED_AT(30300))
williamr@4: # define BOOST_DYNAMIC_BITSET_WRAP_CONSTANT(expr) \
williamr@4:          (boost::detail::make_non_const(expr))
williamr@4: #else
williamr@4: # define BOOST_DYNAMIC_BITSET_WRAP_CONSTANT(expr) (expr)
williamr@4: #endif
williamr@4: 
williamr@4: //
williamr@4: #if (defined __BORLANDC__ && BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564)))  \
williamr@4:                              || (defined BOOST_NO_MEMBER_TEMPLATE_FRIENDS)
williamr@4: #define BOOST_DYNAMIC_BITSET_DONT_USE_FRIENDS
williamr@4: #endif
williamr@4: 
williamr@4: // if we can't use friends then private members are exposed
williamr@4: //
williamr@4: #if defined(BOOST_DYNAMIC_BITSET_DONT_USE_FRIENDS)
williamr@4: #define BOOST_DYNAMIC_BITSET_PRIVATE public
williamr@4: #else
williamr@4: #define BOOST_DYNAMIC_BITSET_PRIVATE private
williamr@4: #endif
williamr@4: 
williamr@4: // A couple of macros to cope with libraries without locale
williamr@4: // support. The first macro must be used to declare a reference
williamr@4: // to a ctype facet. The second one to widen a char by using
williamr@4: // that ctype object. If facets and locales aren't available
williamr@4: // the first macro is a no-op and the second one just expands
williamr@4: // to its parameter c.
williamr@4: //
williamr@4: #if defined (BOOST_USE_FACET)
williamr@4: 
williamr@4: #define BOOST_DYNAMIC_BITSET_CTYPE_FACET(ch, name, loc)     \
williamr@4:             const std::ctype<ch> & name =                   \
williamr@4:             BOOST_USE_FACET(std::ctype<ch>, loc)         /**/
williamr@4: 
williamr@4: #define BOOST_DYNAMIC_BITSET_WIDEN_CHAR(fac, c)             \
williamr@4:            (fac.widen(c))
williamr@4: #else
williamr@4: 
williamr@4: #define BOOST_DYNAMIC_BITSET_CTYPE_FACET(ch, name, loc) /**/
williamr@4: #define BOOST_DYNAMIC_BITSET_WIDEN_CHAR(fac, c)          c
williamr@4: 
williamr@4: #endif
williamr@4: 
williamr@4: #endif // include guard