1 | // boost/chrono/config.hpp -------------------------------------------------//
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2 |
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3 | // Copyright Beman Dawes 2003, 2006, 2008
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4 | // Copyright 2009-2011 Vicente J. Botet Escriba
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5 |
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6 | // Distributed under the Boost Software License, Version 1.0. (See accompanying
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7 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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8 |
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9 | // See http://www.boost.org/libs/chrono for documentation.
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10 |
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11 | #ifndef BOOST_CHRONO_CONFIG_HPP
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12 | #define BOOST_CHRONO_CONFIG_HPP
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13 |
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14 | #include <boost/config.hpp>
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15 |
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16 | #if !defined BOOST_CHRONO_VERSION
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17 | #define BOOST_CHRONO_VERSION 1
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18 | #else
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19 | #if BOOST_CHRONO_VERSION!=1 && BOOST_CHRONO_VERSION!=2
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20 | #error "BOOST_CHRONO_VERSION must be 1 or 2"
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21 | #endif
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22 | #endif
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23 |
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24 | #if defined(BOOST_CHRONO_SOURCE) && !defined(BOOST_USE_WINDOWS_H)
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25 | #define BOOST_USE_WINDOWS_H
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26 | #endif
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27 |
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28 | // BOOST_CHRONO_POSIX_API, BOOST_CHRONO_MAC_API, or BOOST_CHRONO_WINDOWS_API
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29 | // can be defined by the user to specify which API should be used
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30 |
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31 | #if defined(BOOST_CHRONO_WINDOWS_API)
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32 | # warning Boost.Chrono will use the Windows API
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33 | #elif defined(BOOST_CHRONO_MAC_API)
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34 | # warning Boost.Chrono will use the Mac API
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35 | #elif defined(BOOST_CHRONO_POSIX_API)
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36 | # warning Boost.Chrono will use the POSIX API
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37 | #endif
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38 |
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39 | # if defined( BOOST_CHRONO_WINDOWS_API ) && defined( BOOST_CHRONO_POSIX_API )
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40 | # error both BOOST_CHRONO_WINDOWS_API and BOOST_CHRONO_POSIX_API are defined
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41 | # elif defined( BOOST_CHRONO_WINDOWS_API ) && defined( BOOST_CHRONO_MAC_API )
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42 | # error both BOOST_CHRONO_WINDOWS_API and BOOST_CHRONO_MAC_API are defined
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43 | # elif defined( BOOST_CHRONO_MAC_API ) && defined( BOOST_CHRONO_POSIX_API )
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44 | # error both BOOST_CHRONO_MAC_API and BOOST_CHRONO_POSIX_API are defined
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45 | # elif !defined( BOOST_CHRONO_WINDOWS_API ) && !defined( BOOST_CHRONO_MAC_API ) && !defined( BOOST_CHRONO_POSIX_API )
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46 | # if (defined(_WIN32) || defined(__WIN32__) || defined(WIN32))
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47 | # define BOOST_CHRONO_WINDOWS_API
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48 | # elif defined(macintosh) || defined(__APPLE__) || defined(__APPLE_CC__)
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49 | # define BOOST_CHRONO_MAC_API
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50 | # else
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51 | # define BOOST_CHRONO_POSIX_API
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52 | # endif
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53 | # endif
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54 |
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55 | # if defined( BOOST_CHRONO_WINDOWS_API )
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56 | # ifndef UNDER_CE
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57 | # define BOOST_CHRONO_HAS_PROCESS_CLOCKS
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58 | # endif
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59 | # define BOOST_CHRONO_HAS_CLOCK_STEADY
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60 | # define BOOST_CHRONO_HAS_THREAD_CLOCK
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61 | # define BOOST_CHRONO_THREAD_CLOCK_IS_STEADY true
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62 | # endif
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63 |
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64 | # if defined( BOOST_CHRONO_MAC_API )
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65 | # define BOOST_CHRONO_HAS_PROCESS_CLOCKS
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66 | # define BOOST_CHRONO_HAS_CLOCK_STEADY
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67 | # define BOOST_CHRONO_THREAD_CLOCK_IS_STEADY true
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68 | # endif
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69 |
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70 | # if defined( BOOST_CHRONO_POSIX_API )
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71 | # define BOOST_CHRONO_HAS_PROCESS_CLOCKS
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72 | # include <time.h> //to check for CLOCK_REALTIME and CLOCK_MONOTONIC and _POSIX_THREAD_CPUTIME
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73 | # if defined(CLOCK_MONOTONIC)
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74 | # define BOOST_CHRONO_HAS_CLOCK_STEADY
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75 | # endif
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76 | # if defined(_POSIX_THREAD_CPUTIME) && !defined(BOOST_DISABLE_THREADS)
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77 | # define BOOST_CHRONO_HAS_THREAD_CLOCK
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78 | # define BOOST_CHRONO_THREAD_CLOCK_IS_STEADY true
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79 | # endif
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80 | # if defined(CLOCK_THREAD_CPUTIME_ID) && !defined(BOOST_DISABLE_THREADS)
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81 | # define BOOST_CHRONO_HAS_THREAD_CLOCK
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82 | # define BOOST_CHRONO_THREAD_CLOCK_IS_STEADY true
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83 | # endif
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84 | # if defined(sun) || defined(__sun)
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85 | # undef BOOST_CHRONO_HAS_THREAD_CLOCK
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86 | # undef BOOST_CHRONO_THREAD_CLOCK_IS_STEADY
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87 | # endif
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88 | # if defined(__HP_aCC) && defined(__hpux)
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89 | # undef BOOST_CHRONO_HAS_THREAD_CLOCK
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90 | # undef BOOST_CHRONO_THREAD_CLOCK_IS_STEADY
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91 | # endif
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92 | # if defined(__VXWORKS__)
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93 | # undef BOOST_CHRONO_HAS_PROCESS_CLOCKS
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94 | # endif
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95 | # endif
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96 |
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97 | #if defined(BOOST_CHRONO_THREAD_DISABLED) && defined(BOOST_CHRONO_HAS_THREAD_CLOCK)
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98 | #undef BOOST_CHRONO_HAS_THREAD_CLOCK
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99 | #undef BOOST_CHRONO_THREAD_CLOCK_IS_STEADY
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100 | #endif
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101 |
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102 | //#undef BOOST_CHRONO_HAS_PROCESS_CLOCKS
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103 |
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104 | // unicode support ------------------------------//
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105 |
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106 | #if defined(BOOST_NO_UNICODE_LITERALS) || defined(BOOST_NO_CHAR16_T) || defined(BOOST_NO_CHAR32_T)
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107 | //~ #define BOOST_CHRONO_HAS_UNICODE_SUPPORT
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108 | #else
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109 | #define BOOST_CHRONO_HAS_UNICODE_SUPPORT 1
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110 | #endif
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111 |
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112 | #if ! defined BOOST_NOEXCEPT
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113 | #if defined(BOOST_NO_NOEXCEPT)
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114 | #define BOOST_NOEXCEPT
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115 | #else
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116 | #define BOOST_NOEXCEPT noexcept
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117 | #endif
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118 | #endif
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119 |
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120 | #ifdef BOOST_CHRONO_HEADER_ONLY
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121 | #define BOOST_CHRONO_INLINE inline
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122 | #define BOOST_CHRONO_STATIC inline
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123 | #define BOOST_CHRONO_DECL
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124 |
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125 | #else
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126 | #define BOOST_CHRONO_INLINE
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127 | #define BOOST_CHRONO_STATIC static
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128 |
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129 | // enable dynamic linking on Windows ---------------------------------------//
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130 |
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131 | // we need to import/export our code only if the user has specifically
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132 | // asked for it by defining either BOOST_ALL_DYN_LINK if they want all boost
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133 | // libraries to be dynamically linked, or BOOST_CHRONO_DYN_LINK
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134 | // if they want just this one to be dynamically liked:
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135 | #if defined(BOOST_ALL_DYN_LINK) || defined(BOOST_CHRONO_DYN_LINK)
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136 | // export if this is our own source, otherwise import:
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137 | #ifdef BOOST_CHRONO_SOURCE
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138 | # define BOOST_CHRONO_DECL BOOST_SYMBOL_EXPORT
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139 | #else
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140 | # define BOOST_CHRONO_DECL BOOST_SYMBOL_IMPORT
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141 | #endif // BOOST_CHRONO_SOURCE
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142 | #endif // DYN_LINK
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143 | //
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144 | // if BOOST_CHRONO_DECL isn't defined yet define it now:
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145 | #ifndef BOOST_CHRONO_DECL
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146 | #define BOOST_CHRONO_DECL
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147 | #endif
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148 |
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149 | //#define BOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING
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150 |
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151 | // enable automatic library variant selection ------------------------------//
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152 |
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153 | #if !defined(BOOST_CHRONO_SOURCE) && !defined(BOOST_ALL_NO_LIB) && !defined(BOOST_CHRONO_NO_LIB)
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154 | //
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155 | // Set the name of our library; this will get undef'ed by auto_link.hpp
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156 | // once it's done with it:
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157 | //
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158 | #define BOOST_LIB_NAME boost_chrono
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159 | //
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160 | // If we're importing code from a dll, then tell auto_link.hpp about it:
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161 | //
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162 | #if defined(BOOST_ALL_DYN_LINK) || defined(BOOST_CHRONO_DYN_LINK)
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163 | # define BOOST_DYN_LINK
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164 | #endif
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165 | //
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166 | // And include the header that does the work:
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167 | //
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168 | #include <boost/config/auto_link.hpp>
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169 | #endif // auto-linking disabled
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170 | #endif // BOOST_CHRONO_HEADER_ONLY
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171 | #endif // BOOST_CHRONO_CONFIG_HPP
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