ceph/src/boost/libs/units/include/boost/units/config.hpp

   1 // Boost.Units - A C++ library for zero-overhead dimensional analysis and
   2 // unit/quantity manipulation and conversion
   3 //
   4 // Copyright (C) 2003-2008 Matthias Christian Schabel
   5 // Copyright (C) 2008 Steven Watanabe
   6 //
   7 // Distributed under the Boost Software License, Version 1.0. (See
   8 // accompanying file LICENSE_1_0.txt or copy at
   9 // http://www.boost.org/LICENSE_1_0.txt)
  10
  11 #ifndef BOOST_UNITS_CONFIG_HPP
  12 #define BOOST_UNITS_CONFIG_HPP
  13
  14 #include <boost/config.hpp>
  15 #include <boost/version.hpp>
  16
  17 #ifndef BOOST_UNITS_HAS_BOOST_TYPEOF
  18     #if (BOOST_VERSION >= 103400)
  19         ///INTERNAL ONLY
  20         #define BOOST_UNITS_HAS_BOOST_TYPEOF    1
  21     #else
  22         ///INTERNAL ONLY
  23         #define BOOST_UNITS_HAS_BOOST_TYPEOF    0
  24     #endif
  25 #endif
  26
  27 #if (BOOST_UNITS_HAS_BOOST_TYPEOF)
  28     #include <boost/typeof/typeof.hpp>
  29     ///INTERNAL ONLY
  30     #define BOOST_UNITS_HAS_TYPEOF          1
  31 #else
  32     #if (__GNUC__ && __cplusplus)
  33         ///INTERNAL ONLY
  34         #define BOOST_UNITS_HAS_TYPEOF          1
  35         ///INTERNAL ONLY
  36         #define BOOST_UNITS_HAS_GNU_TYPEOF      1
  37     #elif defined(__MWERKS__)
  38         ///INTERNAL ONLY
  39         #define BOOST_UNITS_HAS_TYPEOF          1
  40         ///INTERNAL ONLY
  41         #define BOOST_UNITS_HAS_MWERKS_TYPEOF   1
  42     #else
  43         ///INTERNAL ONLY
  44         #define BOOST_UNITS_HAS_TYPEOF          0
  45     #endif
  46 #endif
  47
  48 // uncomment this to test without typeof support at all
  49 //#undef BOOST_UNITS_HAS_TYPEOF
  50 //#define BOOST_UNITS_HAS_TYPEOF          0
  51
  52 #ifndef BOOST_UNITS_NO_COMPILER_CHECK
  53
  54     #ifdef BOOST_NO_MEMBER_TEMPLATES
  55         #error Boost.Units requires member template
  56     #endif
  57
  58     #ifdef BOOST_NO_MEMBER_TEMPLATE_KEYWORD
  59         #error Boost.Units requires member template keyword
  60     #endif
  61
  62     #ifdef BOOST_NO_INCLASS_MEMBER_INITIALIZATION
  63         #error Boost.Units requires in class member initialization
  64     #endif
  65
  66     #ifdef BOOST_NO_FUNCTION_TEMPLATE_ORDERING
  67         #error Boost.Units requires function template partial ordering
  68     #endif
  69
  70
  71 #endif
  72
  73 #ifdef BOOST_UNITS_REQUIRE_LAYOUT_COMPATIBILITY
  74     ///INTERNAL ONLY
  75     #define BOOST_UNITS_CHECK_LAYOUT_COMPATIBILITY(a, b) BOOST_STATIC_ASSERT((sizeof(a) == sizeof(b)))
  76 #else
  77     ///INTERNAL ONLY
  78     #define BOOST_UNITS_CHECK_LAYOUT_COMPATIBILITY(a, b) ((void)0)
  79 #endif
  80
  81 #ifdef BOOST_UNITS_DOXYGEN
  82
  83 /// If defined will trigger a static assertion if quantity<Unit, T>
  84 /// is not layout compatible with T
  85 #define BOOST_UNITS_REQUIRE_LAYOUT_COMPATIBILITY
  86
  87 /// If defined will disable a preprocessor check that the
  88 /// compiler is able to handle the library.
  89 #define BOOST_UNITS_NO_COMPILER_CHECK
  90
  91 /// Enable checking to verify that a homogeneous system
  92 /// is actually capable of representing all the dimensions
  93 /// that it is used with.  Off by default.
  94 #define BOOST_UNITS_CHECK_HOMOGENEOUS_UNITS
  95
  96 #endif
  97
  98 #endif