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1 // boost/system/config.hpp -------------------------------------------------// |
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2 |
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3 // Copyright Beman Dawes 2003, 2006 |
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4 |
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5 // Distributed under the Boost Software License, Version 1.0. (See accompanying |
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6 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
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7 |
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8 // See http://www.boost.org/libs/system for documentation. |
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9 |
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10 #ifndef BOOST_SYSTEM_CONFIG_HPP |
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11 #define BOOST_SYSTEM_CONFIG_HPP |
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12 |
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13 #include <boost/config.hpp> |
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14 |
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15 // BOOST_POSIX_API or BOOST_WINDOWS_API specify which API to use. |
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16 // If not specified, a sensible default will be applied. |
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17 |
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18 # if defined( BOOST_WINDOWS_API ) && defined( BOOST_POSIX_API ) |
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19 # error both BOOST_WINDOWS_API and BOOST_POSIX_API are defined |
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20 # elif !defined( BOOST_WINDOWS_API ) && !defined( BOOST_POSIX_API ) |
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21 # if defined(_WIN32) || defined(__WIN32__) || defined(WIN32) || defined(__CYGWIN__) |
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22 # define BOOST_WINDOWS_API |
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23 # else |
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24 # define BOOST_POSIX_API |
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25 # endif |
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26 # endif |
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27 |
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28 // enable dynamic linking on Windows ---------------------------------------// |
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29 |
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30 //# if (defined(BOOST_ALL_DYN_LINK) || defined(BOOST_SYSTEM_DYN_LINK)) && defined(__BORLANDC__) && defined(__WIN32__) |
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31 //# error Dynamic linking Boost.System does not work for Borland; use static linking instead |
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32 //# endif |
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33 |
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34 #ifdef BOOST_HAS_DECLSPEC // defined in config system |
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35 // we need to import/export our code only if the user has specifically |
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36 // asked for it by defining either BOOST_ALL_DYN_LINK if they want all boost |
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37 // libraries to be dynamically linked, or BOOST_SYSTEM_DYN_LINK |
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38 // if they want just this one to be dynamically liked: |
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39 #if defined(BOOST_ALL_DYN_LINK) || defined(BOOST_SYSTEM_DYN_LINK) |
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40 // export if this is our own source, otherwise import: |
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41 #ifdef BOOST_SYSTEM_SOURCE |
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42 # define BOOST_SYSTEM_DECL __declspec(dllexport) |
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43 #else |
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44 # define BOOST_SYSTEM_DECL __declspec(dllimport) |
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45 #endif // BOOST_SYSTEM_SOURCE |
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46 #endif // DYN_LINK |
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47 #endif // BOOST_HAS_DECLSPEC |
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48 // |
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49 // if BOOST_SYSTEM_DECL isn't defined yet define it now: |
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50 #ifndef BOOST_SYSTEM_DECL |
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51 #define BOOST_SYSTEM_DECL |
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52 #endif |
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53 |
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54 // enable automatic library variant selection ------------------------------// |
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55 |
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56 #if !defined(BOOST_SYSTEM_SOURCE) && !defined(BOOST_ALL_NO_LIB) && !defined(BOOST_SYSTEM_NO_LIB) |
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57 // |
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58 // Set the name of our library, this will get undef'ed by auto_link.hpp |
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59 // once it's done with it: |
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60 // |
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61 #define BOOST_LIB_NAME boost_system |
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62 // |
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63 // If we're importing code from a dll, then tell auto_link.hpp about it: |
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64 // |
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65 #if defined(BOOST_ALL_DYN_LINK) || defined(BOOST_SYSTEM_DYN_LINK) |
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66 # define BOOST_DYN_LINK |
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67 #endif |
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68 // |
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69 // And include the header that does the work: |
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70 // |
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71 #include <boost/config/auto_link.hpp> |
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72 #endif // auto-linking disabled |
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73 |
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74 #endif // BOOST_SYSTEM_CONFIG_HPP |
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75 |