libstdc++-v3/testsuite/17_intro/headers/c++2011/stdc++_multiple_inclusion.cc

   1 // FreeBSD wants warning clean system headers:
   2 // { dg-options "-std=gnu++11" }
   3 // { dg-additional-options "-Wall -Wsystem-headers" { target *-*-freebsd* *-*-dragonfly* } }
   4 // { dg-do compile }
   5
   6 // Copyright (C) 2007-2020 Free Software Foundation, Inc.
   7 //
   8 // This file is part of the GNU ISO C++ Library.  This library is free
   9 // software; you can redistribute it and/or modify it under the
  10 // terms of the GNU General Public License as published by the
  11 // Free Software Foundation; either version 3, or (at your option)
  12 // any later version.
  13
  14 // This library is distributed in the hope that it will be useful,
  15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 // GNU General Public License for more details.
  18
  19 // You should have received a copy of the GNU General Public License along
  20 // with this library; see the file COPYING3.  If not see
  21 // <http://www.gnu.org/licenses/>.
  22
  23 // 17.4.1.2 Headers
  24
  25 #include <bits/stdc++.h>
  26
  27 // "C" compatibility headers
  28 #include <assert.h>
  29 #ifdef _GLIBCXX_HAVE_COMPLEX_H
  30 #include <complex.h>
  31 #endif
  32 #include <ctype.h>
  33 #include <errno.h>
  34 #ifdef _GLIBCXX_HAVE_FENV_H
  35 #include <fenv.h>
  36 #endif
  37 #include <float.h>
  38 #ifdef _GLIBCXX_HAVE_INTTYPES_H
  39 #include <inttypes.h>
  40 #endif
  41 #include <iso646.h>
  42 #include <limits.h>
  43 #include <locale.h>
  44 #include <math.h>
  45 #include <setjmp.h>
  46 #include <signal.h>
  47 #include <stdarg.h>
  48 #ifdef _GLIBCXX_HAVE_STDBOOL_H
  49 #include <stdbool.h>
  50 #endif
  51 #include <stddef.h>
  52 #ifdef _GLIBCXX_HAVE_STDINT_H
  53 #include <stdint.h>
  54 #endif
  55 #include <stdio.h>
  56 #include <stdlib.h>
  57 #include <string.h>
  58 #ifdef _GLIBCXX_HAVE_TGMATH_H
  59 #include <tgmath.h>
  60 #endif
  61 #include <time.h>
  62 #if __has_include(<uchar.h>)
  63 #include <uchar.h>
  64 #endif
  65 #ifdef _GLIBCXX_HAVE_WCHAR_H
  66 #include <wchar.h>
  67 #endif
  68 #ifdef _GLIBCXX_HAVE_WCTYPE_H
  69 #include <wctype.h>
  70 #endif
  71
  72 #include <bits/stdc++.h>
  73
  74 // "C" compatibility headers
  75 #include <assert.h>
  76 #ifdef _GLIBCXX_HAVE_COMPLEX_H
  77 #include <complex.h>
  78 #endif
  79 #include <ctype.h>
  80 #include <errno.h>
  81 #ifdef _GLIBCXX_HAVE_FENV_H
  82 #include <fenv.h>
  83 #endif
  84 #include <float.h>
  85 #ifdef _GLIBCXX_HAVE_INTTYPES_H
  86 #include <inttypes.h>
  87 #endif
  88 #include <iso646.h>
  89 #include <limits.h>
  90 #include <locale.h>
  91 #include <math.h>
  92 #include <setjmp.h>
  93 #include <signal.h>
  94 #include <stdarg.h>
  95 #ifdef _GLIBCXX_HAVE_STDBOOL_H
  96 #include <stdbool.h>
  97 #endif
  98 #include <stddef.h>
  99 #ifdef _GLIBCXX_HAVE_STDINT_H
 100 #include <stdint.h>
 101 #endif
 102 #include <stdio.h>
 103 #include <stdlib.h>
 104 #include <string.h>
 105 #ifdef _GLIBCXX_HAVE_TGMATH_H
 106 #include <tgmath.h>
 107 #endif
 108 #include <time.h>
 109 #if __has_include(<uchar.h>)
 110 #include <uchar.h>
 111 #endif
 112 #ifdef _GLIBCXX_HAVE_WCHAR_H
 113 #include <wchar.h>
 114 #endif
 115 #ifdef _GLIBCXX_HAVE_WCTYPE_H
 116 #include <wctype.h>
 117 #endif