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annotate m4/dirent_h.m4 @ 17480:f40b3156a43e

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selinux-at: omit unnecessary include * lib/selinux-at.c: Don't include dosname.h; not needed, since this source file doesn't use its macros, and subsidiary files that use the macros already include it.
author Paul Eggert <eggert@cs.ucla.edu>
date Fri, 23 Aug 2013 13:53:46 -0700
parents e542fd46ad6f
children 344018b6e5d7
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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de2ecfd7fc4a New modules 'opendir', 'readdir', 'rewinddir', 'closedir'.
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1 # dirent_h.m4 serial 16
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2 dnl Copyright (C) 2008-2013 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 Bruno Haible.
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8
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9 AC_DEFUN([gl_DIRENT_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_DIRENT_H_DEFAULTS])
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14
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6d50d2a81c7d Further updates, following today's commits.
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15 dnl <dirent.h> is always overridden, because of GNULIB_POSIXCHECK.
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16 gl_CHECK_NEXT_HEADERS([dirent.h])
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17 if test $ac_cv_header_dirent_h = yes; then
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18 HAVE_DIRENT_H=1
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19 else
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20 HAVE_DIRENT_H=0
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21 fi
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22 AC_SUBST([HAVE_DIRENT_H])
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23
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24 dnl Check for declarations of anything we want to poison if the
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25 dnl corresponding gnulib module is not in use.
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26 gl_WARN_ON_USE_PREPARE([[#include <dirent.h>
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27 ]], [alphasort closedir dirfd fdopendir opendir readdir rewinddir scandir])
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28 ])
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29
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30 AC_DEFUN([gl_DIRENT_MODULE_INDICATOR],
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31 [
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32 dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
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33 AC_REQUIRE([gl_DIRENT_H_DEFAULTS])
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34 gl_MODULE_INDICATOR_SET_VARIABLE([$1])
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35 dnl Define it also as a C macro, for the benefit of the unit tests.
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36 gl_MODULE_INDICATOR_FOR_TESTS([$1])
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37 ])
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38
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39 AC_DEFUN([gl_DIRENT_H_DEFAULTS],
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40 [
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41 AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) dnl for REPLACE_FCHDIR
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42 GNULIB_OPENDIR=0; AC_SUBST([GNULIB_OPENDIR])
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43 GNULIB_READDIR=0; AC_SUBST([GNULIB_READDIR])
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44 GNULIB_REWINDDIR=0; AC_SUBST([GNULIB_REWINDDIR])
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45 GNULIB_CLOSEDIR=0; AC_SUBST([GNULIB_CLOSEDIR])
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46 GNULIB_DIRFD=0; AC_SUBST([GNULIB_DIRFD])
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47 GNULIB_FDOPENDIR=0; AC_SUBST([GNULIB_FDOPENDIR])
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48 GNULIB_SCANDIR=0; AC_SUBST([GNULIB_SCANDIR])
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49 GNULIB_ALPHASORT=0; AC_SUBST([GNULIB_ALPHASORT])
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50 dnl Assume proper GNU behavior unless another module says otherwise.
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51 HAVE_OPENDIR=1; AC_SUBST([HAVE_OPENDIR])
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52 HAVE_READDIR=1; AC_SUBST([HAVE_READDIR])
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53 HAVE_REWINDDIR=1; AC_SUBST([HAVE_REWINDDIR])
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54 HAVE_CLOSEDIR=1; AC_SUBST([HAVE_CLOSEDIR])
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55 HAVE_DECL_DIRFD=1; AC_SUBST([HAVE_DECL_DIRFD])
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c47c56095752 fdopendir: work around FreeBSD bug
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56 HAVE_DECL_FDOPENDIR=1;AC_SUBST([HAVE_DECL_FDOPENDIR])
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57 HAVE_FDOPENDIR=1; AC_SUBST([HAVE_FDOPENDIR])
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58 HAVE_SCANDIR=1; AC_SUBST([HAVE_SCANDIR])
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59 HAVE_ALPHASORT=1; AC_SUBST([HAVE_ALPHASORT])
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60 REPLACE_OPENDIR=0; AC_SUBST([REPLACE_OPENDIR])
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61 REPLACE_CLOSEDIR=0; AC_SUBST([REPLACE_CLOSEDIR])
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62 REPLACE_DIRFD=0; AC_SUBST([REPLACE_DIRFD])
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63 REPLACE_FDOPENDIR=0; AC_SUBST([REPLACE_FDOPENDIR])
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64 ])