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| 1 # dirent_h.m4 serial 16 |
| 2 dnl Copyright (C) 2008-2012 Free Software Foundation, Inc. |
| 3 dnl This file is free software; the Free Software Foundation |
| 4 dnl gives unlimited permission to copy and/or distribute it, |
| 5 dnl with or without modifications, as long as this notice is preserved. |
| 6 |
| 7 dnl Written by Bruno Haible. |
| 8 |
| 9 AC_DEFUN([gl_DIRENT_H], |
| 10 [ |
| 11 dnl Use AC_REQUIRE here, so that the default behavior below is expanded |
| 12 dnl once only, before all statements that occur in other macros. |
| 13 AC_REQUIRE([gl_DIRENT_H_DEFAULTS]) |
| 14 |
| 15 dnl <dirent.h> is always overridden, because of GNULIB_POSIXCHECK. |
| 16 gl_CHECK_NEXT_HEADERS([dirent.h]) |
| 17 if test $ac_cv_header_dirent_h = yes; then |
| 18 HAVE_DIRENT_H=1 |
| 19 else |
| 20 HAVE_DIRENT_H=0 |
| 21 fi |
| 22 AC_SUBST([HAVE_DIRENT_H]) |
| 23 |
| 24 dnl Check for declarations of anything we want to poison if the |
| 25 dnl corresponding gnulib module is not in use. |
| 26 gl_WARN_ON_USE_PREPARE([[#include <dirent.h> |
| 27 ]], [alphasort closedir dirfd fdopendir opendir readdir rewinddir scandir]) |
| 28 ]) |
| 29 |
| 30 AC_DEFUN([gl_DIRENT_MODULE_INDICATOR], |
| 31 [ |
| 32 dnl Use AC_REQUIRE here, so that the default settings are expanded once only. |
| 33 AC_REQUIRE([gl_DIRENT_H_DEFAULTS]) |
| 34 gl_MODULE_INDICATOR_SET_VARIABLE([$1]) |
| 35 dnl Define it also as a C macro, for the benefit of the unit tests. |
| 36 gl_MODULE_INDICATOR_FOR_TESTS([$1]) |
| 37 ]) |
| 38 |
| 39 AC_DEFUN([gl_DIRENT_H_DEFAULTS], |
| 40 [ |
| 41 AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) dnl for REPLACE_FCHDIR |
| 42 GNULIB_OPENDIR=0; AC_SUBST([GNULIB_OPENDIR]) |
| 43 GNULIB_READDIR=0; AC_SUBST([GNULIB_READDIR]) |
| 44 GNULIB_REWINDDIR=0; AC_SUBST([GNULIB_REWINDDIR]) |
| 45 GNULIB_CLOSEDIR=0; AC_SUBST([GNULIB_CLOSEDIR]) |
| 46 GNULIB_DIRFD=0; AC_SUBST([GNULIB_DIRFD]) |
| 47 GNULIB_FDOPENDIR=0; AC_SUBST([GNULIB_FDOPENDIR]) |
| 48 GNULIB_SCANDIR=0; AC_SUBST([GNULIB_SCANDIR]) |
| 49 GNULIB_ALPHASORT=0; AC_SUBST([GNULIB_ALPHASORT]) |
| 50 dnl Assume proper GNU behavior unless another module says otherwise. |
| 51 HAVE_OPENDIR=1; AC_SUBST([HAVE_OPENDIR]) |
| 52 HAVE_READDIR=1; AC_SUBST([HAVE_READDIR]) |
| 53 HAVE_REWINDDIR=1; AC_SUBST([HAVE_REWINDDIR]) |
| 54 HAVE_CLOSEDIR=1; AC_SUBST([HAVE_CLOSEDIR]) |
| 55 HAVE_DECL_DIRFD=1; AC_SUBST([HAVE_DECL_DIRFD]) |
| 56 HAVE_DECL_FDOPENDIR=1;AC_SUBST([HAVE_DECL_FDOPENDIR]) |
| 57 HAVE_FDOPENDIR=1; AC_SUBST([HAVE_FDOPENDIR]) |
| 58 HAVE_SCANDIR=1; AC_SUBST([HAVE_SCANDIR]) |
| 59 HAVE_ALPHASORT=1; AC_SUBST([HAVE_ALPHASORT]) |
| 60 REPLACE_OPENDIR=0; AC_SUBST([REPLACE_OPENDIR]) |
| 61 REPLACE_CLOSEDIR=0; AC_SUBST([REPLACE_CLOSEDIR]) |
| 62 REPLACE_DIRFD=0; AC_SUBST([REPLACE_DIRFD]) |
| 63 REPLACE_FDOPENDIR=0; AC_SUBST([REPLACE_FDOPENDIR]) |
| 64 ]) |
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