1# fchdir.m4 serial 3
2dnl Copyright (C) 2006-2007 Free Software Foundation, Inc.
3dnl This file is free software; the Free Software Foundation
4dnl gives unlimited permission to copy and/or distribute it,
5dnl with or without modifications, as long as this notice is preserved.
6
7AC_DEFUN([gl_FUNC_FCHDIR],
8[
9  AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
10  AC_CHECK_FUNCS_ONCE([fchdir])
11  if test $ac_cv_func_fchdir = no; then
12    REPLACE_FCHDIR=1
13    AC_LIBOBJ([fchdir])
14    gl_PREREQ_FCHDIR
15    AC_DEFINE([FCHDIR_REPLACEMENT], 1,
16      [Define if gnulib's fchdir() replacement is used.])
17    gl_ABSOLUTE_HEADER([dirent.h])
18    ABSOLUTE_DIRENT_H=\"$gl_cv_absolute_dirent_h\"
19    DIRENT_H='dirent.h'
20  else
21    DIRENT_H=
22  fi
23  AC_SUBST([ABSOLUTE_DIRENT_H])
24  AC_SUBST([DIRENT_H])
25])
26
27# Prerequisites of lib/fchdir.c.
28AC_DEFUN([gl_PREREQ_FCHDIR], [:])
29