/usr/include/boost/filesystem/config.hpp is in libboost1.62-dev 1.62.0+dfsg-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 | //  boost/filesystem/v3/config.hpp  ----------------------------------------------------//
//  Copyright Beman Dawes 2003
//  Distributed under the Boost Software License, Version 1.0.
//  See http://www.boost.org/LICENSE_1_0.txt
//  Library home page: http://www.boost.org/libs/filesystem
//--------------------------------------------------------------------------------------// 
#ifndef BOOST_FILESYSTEM3_CONFIG_HPP
#define BOOST_FILESYSTEM3_CONFIG_HPP
# if defined(BOOST_FILESYSTEM_VERSION) && BOOST_FILESYSTEM_VERSION != 3
#   error Compiling Filesystem version 3 file with BOOST_FILESYSTEM_VERSION defined != 3
# endif
# if !defined(BOOST_FILESYSTEM_VERSION)
#   define BOOST_FILESYSTEM_VERSION 3
# endif
#define BOOST_FILESYSTEM_I18N  // aid users wishing to compile several versions
// This header implements separate compilation features as described in
// http://www.boost.org/more/separate_compilation.html
#include <boost/config.hpp>
#include <boost/system/api_config.hpp>  // for BOOST_POSIX_API or BOOST_WINDOWS_API
#include <boost/detail/workaround.hpp>
//  BOOST_FILESYSTEM_DEPRECATED needed for source compiles -----------------------------//
# ifdef BOOST_FILESYSTEM_SOURCE
#   define BOOST_FILESYSTEM_DEPRECATED
#   undef BOOST_FILESYSTEM_NO_DEPRECATED   // fixes #9454, src bld fails if NO_DEP defined
# endif
//  throw an exception  ----------------------------------------------------------------//
//
//  Exceptions were originally thrown via boost::throw_exception().
//  As throw_exception() became more complex, it caused user error reporting
//  to be harder to interpret, since the exception reported became much more complex.
//  The immediate fix was to throw directly, wrapped in a macro to make any later change
//  easier.
#define BOOST_FILESYSTEM_THROW(EX) throw EX
# if defined( BOOST_NO_STD_WSTRING )
#   error Configuration not supported: Boost.Filesystem V3 and later requires std::wstring support
# endif
//  This header implements separate compilation features as described in
//  http://www.boost.org/more/separate_compilation.html
//  normalize macros  ------------------------------------------------------------------//
#if !defined(BOOST_FILESYSTEM_DYN_LINK) && !defined(BOOST_FILESYSTEM_STATIC_LINK) \
  && !defined(BOOST_ALL_DYN_LINK) && !defined(BOOST_ALL_STATIC_LINK)
# define BOOST_FILESYSTEM_STATIC_LINK
#endif
#if defined(BOOST_ALL_DYN_LINK) && !defined(BOOST_FILESYSTEM_DYN_LINK)
# define BOOST_FILESYSTEM_DYN_LINK 
#elif defined(BOOST_ALL_STATIC_LINK) && !defined(BOOST_FILESYSTEM_STATIC_LINK)
# define BOOST_FILESYSTEM_STATIC_LINK 
#endif
#if defined(BOOST_FILESYSTEM_DYN_LINK) && defined(BOOST_FILESYSTEM_STATIC_LINK)
# error Must not define both BOOST_FILESYSTEM_DYN_LINK and BOOST_FILESYSTEM_STATIC_LINK
#endif
#if defined(BOOST_ALL_NO_LIB) && !defined(BOOST_FILESYSTEM_NO_LIB)
# define BOOST_FILESYSTEM_NO_LIB 
#endif
//  enable dynamic linking  ------------------------------------------------------------//
#if defined(BOOST_ALL_DYN_LINK) || defined(BOOST_FILESYSTEM_DYN_LINK)
# if defined(BOOST_FILESYSTEM_SOURCE)
#   define BOOST_FILESYSTEM_DECL BOOST_SYMBOL_EXPORT
# else 
#   define BOOST_FILESYSTEM_DECL BOOST_SYMBOL_IMPORT
# endif
#else
# define BOOST_FILESYSTEM_DECL
#endif
//  enable automatic library variant selection  ----------------------------------------// 
#if !defined(BOOST_FILESYSTEM_SOURCE) && !defined(BOOST_ALL_NO_LIB) \
  && !defined(BOOST_FILESYSTEM_NO_LIB)
//
// Set the name of our library, this will get undef'ed by auto_link.hpp
// once it's done with it:
//
#define BOOST_LIB_NAME boost_filesystem
//
// If we're importing code from a dll, then tell auto_link.hpp about it:
//
#if defined(BOOST_ALL_DYN_LINK) || defined(BOOST_FILESYSTEM_DYN_LINK)
#  define BOOST_DYN_LINK
#endif
//
// And include the header that does the work:
//
#include <boost/config/auto_link.hpp>
#endif  // auto-linking disabled
#endif // BOOST_FILESYSTEM3_CONFIG_HPP
 |