-#serial 14 -*- Autoconf -*-
+# serial 16 -*- Autoconf -*-
dnl Find out how to get the file descriptor associated with an open DIR*.
-# Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006 Free Software
-# Foundation, Inc.
+# Copyright (C) 2001-2006, 2008-2009 Free Software Foundation, Inc.
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
AC_DEFUN([gl_FUNC_DIRFD],
[
+ AC_REQUIRE([gl_DIRENT_H_DEFAULTS])
+ gl_REPLACE_DIRENT_H
+
+ dnl Persuade glibc <dirent.h> to declare dirfd().
+ AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
+
dnl Work around a bug of AC_EGREP_CPP in autoconf-2.57.
AC_REQUIRE([AC_PROG_CPP])
AC_REQUIRE([AC_PROG_EGREP])
- AC_CHECK_FUNCS(dirfd)
+
+ AC_CHECK_FUNCS([dirfd])
AC_CHECK_DECLS([dirfd], , ,
[#include <sys/types.h>
#include <dirent.h>])
+ if test $ac_cv_have_decl_dirfd = no; then
+ HAVE_DECL_DIRFD=0
+ fi
AC_CACHE_CHECK([whether dirfd is a macro],
gl_cv_func_dirfd_macro,
]
)
if test $gl_cv_sys_dir_fd_member_name != no_such_member; then
- AC_DEFINE_UNQUOTED(DIR_FD_MEMBER_NAME,
+ AC_DEFINE_UNQUOTED([DIR_FD_MEMBER_NAME],
$gl_cv_sys_dir_fd_member_name,
[the name of the file descriptor member of DIR])
fi