| 1 | # unistd_h.m4 serial 64
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| 2 | dnl Copyright (C) 2006-2012 Free Software Foundation, Inc.
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| 3 | dnl This file is free software; the Free Software Foundation
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| 4 | dnl gives unlimited permission to copy and/or distribute it,
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| 5 | dnl with or without modifications, as long as this notice is preserved.
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| 6 |
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| 7 | dnl Written by Simon Josefsson, Bruno Haible.
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| 8 |
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| 9 | AC_DEFUN([gl_UNISTD_H],
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| 10 | [
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| 11 | dnl Use AC_REQUIRE here, so that the default behavior below is expanded
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| 12 | dnl once only, before all statements that occur in other macros.
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| 13 | AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
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| 14 | AC_REQUIRE([AC_C_INLINE])
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| 15 |
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| 16 | gl_CHECK_NEXT_HEADERS([unistd.h])
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| 17 | if test $ac_cv_header_unistd_h = yes; then
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| 18 | HAVE_UNISTD_H=1
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| 19 | else
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| 20 | HAVE_UNISTD_H=0
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| 21 | fi
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| 22 | AC_SUBST([HAVE_UNISTD_H])
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| 23 |
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| 24 | dnl Ensure the type pid_t gets defined.
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| 25 | AC_REQUIRE([AC_TYPE_PID_T])
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| 26 |
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| 27 | dnl Determine WINDOWS_64_BIT_OFF_T.
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| 28 | AC_REQUIRE([gl_SYS_TYPES_H])
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| 29 |
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| 30 | dnl Check for declarations of anything we want to poison if the
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| 31 | dnl corresponding gnulib module is not in use.
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| 32 | gl_WARN_ON_USE_PREPARE([[
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| 33 | #if HAVE_UNISTD_H
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| 34 | # include <unistd.h>
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| 35 | #endif
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| 36 | /* Some systems declare various items in the wrong headers. */
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| 37 | #if !(defined __GLIBC__ && !defined __UCLIBC__)
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| 38 | # include <fcntl.h>
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| 39 | # include <stdio.h>
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| 40 | # include <stdlib.h>
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| 41 | # if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
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| 42 | # include <io.h>
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| 43 | # endif
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| 44 | #endif
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| 45 | ]], [chdir chown dup dup2 dup3 environ euidaccess faccessat fchdir fchownat
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| 46 | fdatasync fsync ftruncate getcwd getdomainname getdtablesize getgroups
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| 47 | gethostname getlogin getlogin_r getpagesize
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| 48 | getusershell setusershell endusershell
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| 49 | group_member isatty lchown link linkat lseek pipe pipe2 pread pwrite
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| 50 | readlink readlinkat rmdir sethostname sleep symlink symlinkat ttyname_r
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| 51 | unlink unlinkat usleep])
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| 52 | ])
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| 53 |
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| 54 | AC_DEFUN([gl_UNISTD_MODULE_INDICATOR],
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| 55 | [
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| 56 | dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
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| 57 | AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
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| 58 | gl_MODULE_INDICATOR_SET_VARIABLE([$1])
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| 59 | dnl Define it also as a C macro, for the benefit of the unit tests.
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| 60 | gl_MODULE_INDICATOR_FOR_TESTS([$1])
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| 61 | ])
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| 62 |
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| 63 | AC_DEFUN([gl_UNISTD_H_DEFAULTS],
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| 64 | [
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| 65 | GNULIB_CHDIR=0; AC_SUBST([GNULIB_CHDIR])
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| 66 | GNULIB_CHOWN=0; AC_SUBST([GNULIB_CHOWN])
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| 67 | GNULIB_CLOSE=0; AC_SUBST([GNULIB_CLOSE])
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| 68 | GNULIB_DUP=0; AC_SUBST([GNULIB_DUP])
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| 69 | GNULIB_DUP2=0; AC_SUBST([GNULIB_DUP2])
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| 70 | GNULIB_DUP3=0; AC_SUBST([GNULIB_DUP3])
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| 71 | GNULIB_ENVIRON=0; AC_SUBST([GNULIB_ENVIRON])
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| 72 | GNULIB_EUIDACCESS=0; AC_SUBST([GNULIB_EUIDACCESS])
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| 73 | GNULIB_FACCESSAT=0; AC_SUBST([GNULIB_FACCESSAT])
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| 74 | GNULIB_FCHDIR=0; AC_SUBST([GNULIB_FCHDIR])
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| 75 | GNULIB_FCHOWNAT=0; AC_SUBST([GNULIB_FCHOWNAT])
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| 76 | GNULIB_FDATASYNC=0; AC_SUBST([GNULIB_FDATASYNC])
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| 77 | GNULIB_FSYNC=0; AC_SUBST([GNULIB_FSYNC])
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| 78 | GNULIB_FTRUNCATE=0; AC_SUBST([GNULIB_FTRUNCATE])
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| 79 | GNULIB_GETCWD=0; AC_SUBST([GNULIB_GETCWD])
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| 80 | GNULIB_GETDOMAINNAME=0; AC_SUBST([GNULIB_GETDOMAINNAME])
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| 81 | GNULIB_GETDTABLESIZE=0; AC_SUBST([GNULIB_GETDTABLESIZE])
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| 82 | GNULIB_GETGROUPS=0; AC_SUBST([GNULIB_GETGROUPS])
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| 83 | GNULIB_GETHOSTNAME=0; AC_SUBST([GNULIB_GETHOSTNAME])
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| 84 | GNULIB_GETLOGIN=0; AC_SUBST([GNULIB_GETLOGIN])
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| 85 | GNULIB_GETLOGIN_R=0; AC_SUBST([GNULIB_GETLOGIN_R])
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| 86 | GNULIB_GETPAGESIZE=0; AC_SUBST([GNULIB_GETPAGESIZE])
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| 87 | GNULIB_GETUSERSHELL=0; AC_SUBST([GNULIB_GETUSERSHELL])
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| 88 | GNULIB_GROUP_MEMBER=0; AC_SUBST([GNULIB_GROUP_MEMBER])
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| 89 | GNULIB_ISATTY=0; AC_SUBST([GNULIB_ISATTY])
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| 90 | GNULIB_LCHOWN=0; AC_SUBST([GNULIB_LCHOWN])
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| 91 | GNULIB_LINK=0; AC_SUBST([GNULIB_LINK])
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| 92 | GNULIB_LINKAT=0; AC_SUBST([GNULIB_LINKAT])
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| 93 | GNULIB_LSEEK=0; AC_SUBST([GNULIB_LSEEK])
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| 94 | GNULIB_PIPE=0; AC_SUBST([GNULIB_PIPE])
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| 95 | GNULIB_PIPE2=0; AC_SUBST([GNULIB_PIPE2])
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| 96 | GNULIB_PREAD=0; AC_SUBST([GNULIB_PREAD])
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| 97 | GNULIB_PWRITE=0; AC_SUBST([GNULIB_PWRITE])
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| 98 | GNULIB_READ=0; AC_SUBST([GNULIB_READ])
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| 99 | GNULIB_READLINK=0; AC_SUBST([GNULIB_READLINK])
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| 100 | GNULIB_READLINKAT=0; AC_SUBST([GNULIB_READLINKAT])
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| 101 | GNULIB_RMDIR=0; AC_SUBST([GNULIB_RMDIR])
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| 102 | GNULIB_SETHOSTNAME=0; AC_SUBST([GNULIB_SETHOSTNAME])
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| 103 | GNULIB_SLEEP=0; AC_SUBST([GNULIB_SLEEP])
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| 104 | GNULIB_SYMLINK=0; AC_SUBST([GNULIB_SYMLINK])
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| 105 | GNULIB_SYMLINKAT=0; AC_SUBST([GNULIB_SYMLINKAT])
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| 106 | GNULIB_TTYNAME_R=0; AC_SUBST([GNULIB_TTYNAME_R])
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| 107 | GNULIB_UNISTD_H_NONBLOCKING=0; AC_SUBST([GNULIB_UNISTD_H_NONBLOCKING])
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| 108 | GNULIB_UNISTD_H_SIGPIPE=0; AC_SUBST([GNULIB_UNISTD_H_SIGPIPE])
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| 109 | GNULIB_UNLINK=0; AC_SUBST([GNULIB_UNLINK])
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| 110 | GNULIB_UNLINKAT=0; AC_SUBST([GNULIB_UNLINKAT])
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| 111 | GNULIB_USLEEP=0; AC_SUBST([GNULIB_USLEEP])
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| 112 | GNULIB_WRITE=0; AC_SUBST([GNULIB_WRITE])
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| 113 | dnl Assume proper GNU behavior unless another module says otherwise.
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| 114 | HAVE_CHOWN=1; AC_SUBST([HAVE_CHOWN])
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| 115 | HAVE_DUP2=1; AC_SUBST([HAVE_DUP2])
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| 116 | HAVE_DUP3=1; AC_SUBST([HAVE_DUP3])
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| 117 | HAVE_EUIDACCESS=1; AC_SUBST([HAVE_EUIDACCESS])
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| 118 | HAVE_FACCESSAT=1; AC_SUBST([HAVE_FACCESSAT])
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| 119 | HAVE_FCHDIR=1; AC_SUBST([HAVE_FCHDIR])
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| 120 | HAVE_FCHOWNAT=1; AC_SUBST([HAVE_FCHOWNAT])
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| 121 | HAVE_FDATASYNC=1; AC_SUBST([HAVE_FDATASYNC])
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| 122 | HAVE_FSYNC=1; AC_SUBST([HAVE_FSYNC])
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| 123 | HAVE_FTRUNCATE=1; AC_SUBST([HAVE_FTRUNCATE])
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| 124 | HAVE_GETDTABLESIZE=1; AC_SUBST([HAVE_GETDTABLESIZE])
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| 125 | HAVE_GETGROUPS=1; AC_SUBST([HAVE_GETGROUPS])
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| 126 | HAVE_GETHOSTNAME=1; AC_SUBST([HAVE_GETHOSTNAME])
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| 127 | HAVE_GETLOGIN=1; AC_SUBST([HAVE_GETLOGIN])
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| 128 | HAVE_GETPAGESIZE=1; AC_SUBST([HAVE_GETPAGESIZE])
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| 129 | HAVE_GROUP_MEMBER=1; AC_SUBST([HAVE_GROUP_MEMBER])
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| 130 | HAVE_LCHOWN=1; AC_SUBST([HAVE_LCHOWN])
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| 131 | HAVE_LINK=1; AC_SUBST([HAVE_LINK])
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| 132 | HAVE_LINKAT=1; AC_SUBST([HAVE_LINKAT])
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| 133 | HAVE_PIPE=1; AC_SUBST([HAVE_PIPE])
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| 134 | HAVE_PIPE2=1; AC_SUBST([HAVE_PIPE2])
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| 135 | HAVE_PREAD=1; AC_SUBST([HAVE_PREAD])
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| 136 | HAVE_PWRITE=1; AC_SUBST([HAVE_PWRITE])
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| 137 | HAVE_READLINK=1; AC_SUBST([HAVE_READLINK])
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| 138 | HAVE_READLINKAT=1; AC_SUBST([HAVE_READLINKAT])
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| 139 | HAVE_SETHOSTNAME=1; AC_SUBST([HAVE_SETHOSTNAME])
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| 140 | HAVE_SLEEP=1; AC_SUBST([HAVE_SLEEP])
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| 141 | HAVE_SYMLINK=1; AC_SUBST([HAVE_SYMLINK])
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| 142 | HAVE_SYMLINKAT=1; AC_SUBST([HAVE_SYMLINKAT])
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| 143 | HAVE_UNLINKAT=1; AC_SUBST([HAVE_UNLINKAT])
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| 144 | HAVE_USLEEP=1; AC_SUBST([HAVE_USLEEP])
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| 145 | HAVE_DECL_ENVIRON=1; AC_SUBST([HAVE_DECL_ENVIRON])
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| 146 | HAVE_DECL_FCHDIR=1; AC_SUBST([HAVE_DECL_FCHDIR])
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| 147 | HAVE_DECL_FDATASYNC=1; AC_SUBST([HAVE_DECL_FDATASYNC])
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| 148 | HAVE_DECL_GETDOMAINNAME=1; AC_SUBST([HAVE_DECL_GETDOMAINNAME])
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| 149 | HAVE_DECL_GETLOGIN_R=1; AC_SUBST([HAVE_DECL_GETLOGIN_R])
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| 150 | HAVE_DECL_GETPAGESIZE=1; AC_SUBST([HAVE_DECL_GETPAGESIZE])
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| 151 | HAVE_DECL_GETUSERSHELL=1; AC_SUBST([HAVE_DECL_GETUSERSHELL])
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| 152 | HAVE_DECL_SETHOSTNAME=1; AC_SUBST([HAVE_DECL_SETHOSTNAME])
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| 153 | HAVE_DECL_TTYNAME_R=1; AC_SUBST([HAVE_DECL_TTYNAME_R])
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| 154 | HAVE_OS_H=0; AC_SUBST([HAVE_OS_H])
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| 155 | HAVE_SYS_PARAM_H=0; AC_SUBST([HAVE_SYS_PARAM_H])
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| 156 | REPLACE_CHOWN=0; AC_SUBST([REPLACE_CHOWN])
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| 157 | REPLACE_CLOSE=0; AC_SUBST([REPLACE_CLOSE])
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| 158 | REPLACE_DUP=0; AC_SUBST([REPLACE_DUP])
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| 159 | REPLACE_DUP2=0; AC_SUBST([REPLACE_DUP2])
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| 160 | REPLACE_FCHOWNAT=0; AC_SUBST([REPLACE_FCHOWNAT])
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| 161 | REPLACE_FTRUNCATE=0; AC_SUBST([REPLACE_FTRUNCATE])
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| 162 | REPLACE_GETCWD=0; AC_SUBST([REPLACE_GETCWD])
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| 163 | REPLACE_GETDOMAINNAME=0; AC_SUBST([REPLACE_GETDOMAINNAME])
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| 164 | REPLACE_GETLOGIN_R=0; AC_SUBST([REPLACE_GETLOGIN_R])
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| 165 | REPLACE_GETGROUPS=0; AC_SUBST([REPLACE_GETGROUPS])
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| 166 | REPLACE_GETPAGESIZE=0; AC_SUBST([REPLACE_GETPAGESIZE])
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| 167 | REPLACE_ISATTY=0; AC_SUBST([REPLACE_ISATTY])
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| 168 | REPLACE_LCHOWN=0; AC_SUBST([REPLACE_LCHOWN])
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| 169 | REPLACE_LINK=0; AC_SUBST([REPLACE_LINK])
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| 170 | REPLACE_LINKAT=0; AC_SUBST([REPLACE_LINKAT])
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| 171 | REPLACE_LSEEK=0; AC_SUBST([REPLACE_LSEEK])
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| 172 | REPLACE_PREAD=0; AC_SUBST([REPLACE_PREAD])
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| 173 | REPLACE_PWRITE=0; AC_SUBST([REPLACE_PWRITE])
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| 174 | REPLACE_READ=0; AC_SUBST([REPLACE_READ])
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| 175 | REPLACE_READLINK=0; AC_SUBST([REPLACE_READLINK])
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| 176 | REPLACE_RMDIR=0; AC_SUBST([REPLACE_RMDIR])
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| 177 | REPLACE_SLEEP=0; AC_SUBST([REPLACE_SLEEP])
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| 178 | REPLACE_SYMLINK=0; AC_SUBST([REPLACE_SYMLINK])
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| 179 | REPLACE_TTYNAME_R=0; AC_SUBST([REPLACE_TTYNAME_R])
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| 180 | REPLACE_UNLINK=0; AC_SUBST([REPLACE_UNLINK])
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| 181 | REPLACE_UNLINKAT=0; AC_SUBST([REPLACE_UNLINKAT])
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| 182 | REPLACE_USLEEP=0; AC_SUBST([REPLACE_USLEEP])
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| 183 | REPLACE_WRITE=0; AC_SUBST([REPLACE_WRITE])
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| 184 | UNISTD_H_HAVE_WINSOCK2_H=0; AC_SUBST([UNISTD_H_HAVE_WINSOCK2_H])
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| 185 | UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS=0;
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| 186 | AC_SUBST([UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS])
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| 187 | ])
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