| 1 | # dirent_h.m4 serial 16
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| 2 | dnl Copyright (C) 2008-2012 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 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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| 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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| 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 | ])
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