source: NonGTP/Boost/boost/dynamic_bitset/config.hpp @ 857

Revision 857, 2.8 KB checked in by igarcia, 19 years ago (diff)
Line 
1// --------------------------------------------------
2//
3// (C) Copyright Chuck Allison and Jeremy Siek 2001 - 2002.
4// (C) Copyright Gennaro Prota                 2003 - 2004.
5//
6// Distributed under the Boost Software License, Version 1.0.
7//    (See accompanying file LICENSE_1_0.txt or copy at
8//          http://www.boost.org/LICENSE_1_0.txt)
9//
10// -----------------------------------------------------------
11
12//  See http://www.boost.org/libs/dynamic_bitset for documentation.
13
14
15#ifndef BOOST_DYNAMIC_BITSET_CONFIG_HPP_GP_20040424
16#define BOOST_DYNAMIC_BITSET_CONFIG_HPP_GP_20040424
17
18#include "boost/config.hpp"
19#include "boost/detail/workaround.hpp"
20
21// support for pre 3.0 libstdc++ - thanks Phil Edwards!
22#if defined (__STL_CONFIG_H) && !defined (__STL_USE_NEW_IOSTREAMS)
23# define BOOST_OLD_IOSTREAMS
24#endif
25
26// this should be in the config system some day
27// see http://lists.boost.org/MailArchives/boost/msg62291.php
28#define BOOST_DYNAMIC_BITSET_GNUC_VERSION  (  __GNUC__       * 100 * 100     \
29                                            + __GNUC_MINOR__ * 100)
30
31// workaround for gcc bug c++/8419 - gps
32
33namespace boost { namespace detail {
34    template <typename T> T make_non_const(T t) { return t; }
35}}
36
37#if defined(__GNUC__) && BOOST_WORKAROUND(BOOST_DYNAMIC_BITSET_GNUC_VERSION, \
38                                          BOOST_TESTED_AT(30300))
39# define BOOST_DYNAMIC_BITSET_WRAP_CONSTANT(expr) \
40         (boost::detail::make_non_const(expr))
41#else
42# define BOOST_DYNAMIC_BITSET_WRAP_CONSTANT(expr) (expr)
43#endif
44
45//
46#if (defined __BORLANDC__ && BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564)))  \
47                             || (defined BOOST_NO_MEMBER_TEMPLATE_FRIENDS)
48#define BOOST_DYNAMIC_BITSET_DONT_USE_FRIENDS
49#endif
50
51// if we can't use friends then private members are exposed
52//
53#if defined(BOOST_DYNAMIC_BITSET_DONT_USE_FRIENDS)
54#define BOOST_DYNAMIC_BITSET_PRIVATE public
55#else
56#define BOOST_DYNAMIC_BITSET_PRIVATE private
57#endif
58
59// A couple of macros to cope with libraries without locale
60// support. The first macro must be used to declare a reference
61// to a ctype facet. The second one to widen a char by using
62// that ctype object. If facets and locales aren't available
63// the first macro is a no-op and the second one just expands
64// to its parameter c.
65//
66#if defined (BOOST_USE_FACET)
67
68#define BOOST_DYNAMIC_BITSET_CTYPE_FACET(ch, name, loc)     \
69            const std::ctype<ch> & name =                   \
70            BOOST_USE_FACET(std::ctype<ch>, loc)         /**/
71
72#define BOOST_DYNAMIC_BITSET_WIDEN_CHAR(fac, c)             \
73           (fac.widen(c))
74#else
75
76#define BOOST_DYNAMIC_BITSET_CTYPE_FACET(ch, name, loc) /**/
77#define BOOST_DYNAMIC_BITSET_WIDEN_CHAR(fac, c)          c
78
79#endif
80
81#endif // include guard
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