-# fchdir.m4 serial 12
-dnl Copyright (C) 2006-2009 Free Software Foundation, Inc.
+# fchdir.m4 serial 17
+dnl Copyright (C) 2006-2011 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
AC_REQUIRE([gl_DIRENT_H_DEFAULTS])
AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS])
- AC_CHECK_FUNCS_ONCE([fchdir])
- if test $ac_cv_func_fchdir = no; then
- REPLACE_FCHDIR=1
+
+ AC_CHECK_DECLS_ONCE([fchdir])
+ if test $ac_cv_have_decl_fchdir = no; then
+ HAVE_DECL_FCHDIR=0
+ fi
+
+ AC_REQUIRE([gl_TEST_FCHDIR])
+ if test $HAVE_FCHDIR = 0; then
AC_LIBOBJ([fchdir])
gl_PREREQ_FCHDIR
AC_DEFINE([REPLACE_FCHDIR], [1],
REPLACE_OPENDIR=1
REPLACE_CLOSEDIR=1
REPLACE_DUP=1
- gl_REPLACE_OPEN
- gl_REPLACE_CLOSE
- gl_REPLACE_DUP2
dnl dup3 is already unconditionally replaced
- gl_REPLACE_DIRENT_H
+ gl_REPLACE_FCNTL
AC_CACHE_CHECK([whether open can visit directories],
[gl_cv_func_open_directory_works],
[AC_RUN_IFELSE([AC_LANG_PROGRAM([[#include <fcntl.h>
fi
])
+# Determine whether to use the overrides in lib/fchdir.c.
+AC_DEFUN([gl_TEST_FCHDIR],
+[
+ AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
+ AC_CHECK_FUNCS_ONCE([fchdir])
+ if test $ac_cv_func_fchdir = no; then
+ HAVE_FCHDIR=0
+ fi
+])
+
# Prerequisites of lib/fchdir.c.
AC_DEFUN([gl_PREREQ_FCHDIR], [:])