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1 # unistd_h.m4 serial 16
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2 dnl Copyright (C) 2006-2008 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
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15 gl_CHECK_NEXT_HEADERS([unistd.h])
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16
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17 AC_CHECK_HEADERS_ONCE([unistd.h])
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18 if test $ac_cv_header_unistd_h = yes; then
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19 HAVE_UNISTD_H=1
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20 else
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21 HAVE_UNISTD_H=0
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22 fi
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23 AC_SUBST([HAVE_UNISTD_H])
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24 ])
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25
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26 AC_DEFUN([gl_UNISTD_MODULE_INDICATOR],
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27 [
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28 dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
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29 AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
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30 GNULIB_[]m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=1
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31 ])
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32
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33 AC_DEFUN([gl_UNISTD_H_DEFAULTS],
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34 [
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35 GNULIB_CHOWN=0; AC_SUBST([GNULIB_CHOWN])
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36 GNULIB_CLOSE=0; AC_SUBST([GNULIB_CLOSE])
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37 GNULIB_DUP2=0; AC_SUBST([GNULIB_DUP2])
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38 GNULIB_ENVIRON=0; AC_SUBST([GNULIB_ENVIRON])
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39 GNULIB_EUIDACCESS=0; AC_SUBST([GNULIB_EUIDACCESS])
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40 GNULIB_FCHDIR=0; AC_SUBST([GNULIB_FCHDIR])
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41 GNULIB_FSYNC=0; AC_SUBST([GNULIB_FSYNC])
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42 GNULIB_FTRUNCATE=0; AC_SUBST([GNULIB_FTRUNCATE])
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43 GNULIB_GETCWD=0; AC_SUBST([GNULIB_GETCWD])
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44 GNULIB_GETDOMAINNAME=0; AC_SUBST([GNULIB_GETDOMAINNAME])
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45 GNULIB_GETDTABLESIZE=0; AC_SUBST([GNULIB_GETDTABLESIZE])
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46 GNULIB_GETHOSTNAME=0; AC_SUBST([GNULIB_GETHOSTNAME])
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47 GNULIB_GETLOGIN_R=0; AC_SUBST([GNULIB_GETLOGIN_R])
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48 GNULIB_GETPAGESIZE=0; AC_SUBST([GNULIB_GETPAGESIZE])
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49 GNULIB_GETUSERSHELL=0; AC_SUBST([GNULIB_GETUSERSHELL])
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50 GNULIB_LCHOWN=0; AC_SUBST([GNULIB_LCHOWN])
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51 GNULIB_LSEEK=0; AC_SUBST([GNULIB_LSEEK])
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52 GNULIB_READLINK=0; AC_SUBST([GNULIB_READLINK])
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53 GNULIB_SLEEP=0; AC_SUBST([GNULIB_SLEEP])
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54 GNULIB_UNISTD_H_SIGPIPE=0; AC_SUBST([GNULIB_UNISTD_H_SIGPIPE])
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55 GNULIB_WRITE=0; AC_SUBST([GNULIB_WRITE])
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56 dnl Assume proper GNU behavior unless another module says otherwise.
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57 HAVE_DUP2=1; AC_SUBST([HAVE_DUP2])
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58 HAVE_EUIDACCESS=1; AC_SUBST([HAVE_EUIDACCESS])
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59 HAVE_FSYNC=1; AC_SUBST([HAVE_FSYNC])
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60 HAVE_FTRUNCATE=1; AC_SUBST([HAVE_FTRUNCATE])
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61 HAVE_GETDOMAINNAME=1; AC_SUBST([HAVE_GETDOMAINNAME])
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62 HAVE_GETDTABLESIZE=1; AC_SUBST([HAVE_GETDTABLESIZE])
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63 HAVE_GETHOSTNAME=1; AC_SUBST([HAVE_GETHOSTNAME])
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64 HAVE_GETPAGESIZE=1; AC_SUBST([HAVE_GETPAGESIZE])
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65 HAVE_GETUSERSHELL=1; AC_SUBST([HAVE_GETUSERSHELL])
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66 HAVE_READLINK=1; AC_SUBST([HAVE_READLINK])
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67 HAVE_SLEEP=1; AC_SUBST([HAVE_SLEEP])
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68 HAVE_DECL_ENVIRON=1; AC_SUBST([HAVE_DECL_ENVIRON])
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69 HAVE_DECL_GETLOGIN_R=1; AC_SUBST([HAVE_DECL_GETLOGIN_R])
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70 HAVE_OS_H=0; AC_SUBST([HAVE_OS_H])
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71 HAVE_SYS_PARAM_H=0; AC_SUBST([HAVE_SYS_PARAM_H])
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72 REPLACE_CHOWN=0; AC_SUBST([REPLACE_CHOWN])
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73 REPLACE_CLOSE=0; AC_SUBST([REPLACE_CLOSE])
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74 REPLACE_FCHDIR=0; AC_SUBST([REPLACE_FCHDIR])
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75 REPLACE_GETCWD=0; AC_SUBST([REPLACE_GETCWD])
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76 REPLACE_GETPAGESIZE=0; AC_SUBST([REPLACE_GETPAGESIZE])
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77 REPLACE_LCHOWN=0; AC_SUBST([REPLACE_LCHOWN])
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78 REPLACE_LSEEK=0; AC_SUBST([REPLACE_LSEEK])
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79 REPLACE_WRITE=0; AC_SUBST([REPLACE_WRITE])
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80 UNISTD_H_HAVE_WINSOCK2_H=0; AC_SUBST([UNISTD_H_HAVE_WINSOCK2_H])
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81 ])
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