-#serial 4
+# Check for a working shell.
+
+# Copyright (C) 2000, 2001, 2007 Free Software Foundation, Inc.
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+# 02111-1307, USA.
# AC_PROG_SHELL
# -------------
>conftest.c || exit
>|conftest.c || exit
!>conftest.c || exit
+ # Test that $(...) works.
+ test "$(expr 3 + 4)" -eq 7 || exit
'
ac_cv_path_shell=no