-# serial 17 -*- Autoconf -*-
+# serial 19 -*- Autoconf -*-
dnl Find out how to get the file descriptor associated with an open DIR*.
-# Copyright (C) 2001-2006, 2008-2010 Free Software Foundation, Inc.
+# Copyright (C) 2001-2006, 2008-2011 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.
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_DECLS([dirfd], , ,
[#include <sys/types.h>
gl_cv_func_dirfd_macro=yes,
gl_cv_func_dirfd_macro=no)])
- # Use the replacement only if we have no function, macro,
- # or declaration with that name.
- if test $ac_cv_func_dirfd,$ac_cv_have_decl_dirfd,$gl_cv_func_dirfd_macro \
- = no,no,no; then
- AC_REPLACE_FUNCS([dirfd])
+ # Use the replacement only if we have no function or macro with that name.
+ if test $ac_cv_func_dirfd,$gl_cv_func_dirfd_macro = no,no; then
+ if test $ac_cv_have_decl_dirfd = yes; then
+ # If the system declares dirfd already, let's declare rpl_dirfd instead.
+ REPLACE_DIRFD=1
+ fi
+ AC_LIBOBJ([dirfd])
AC_CACHE_CHECK(
[how to get the file descriptor associated with an open DIR*],
gl_cv_sys_dir_fd_member_name,