# Check prerequisites for compiling lib/c-stack.c.
-# Copyright (C) 2002, 2003 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.
+# Copyright (C) 2002, 2003, 2004 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.
# Written by Paul Eggert.
fi])
-AC_DEFUN([jm_PREREQ_C_STACK],
+AC_DEFUN([gl_PREREQ_C_STACK],
[AC_REQUIRE([AC_SYS_XSI_STACK_OVERFLOW_HEURISTIC])
# for STACK_DIRECTION
AC_CHECK_HEADERS_ONCE(sys/time.h unistd.h)
AC_CHECK_HEADERS(sys/resource.h ucontext.h)
+ AC_CHECK_MEMBERS([struct sigaction.sa_sigaction], , , [#include <signal.h>])
+
AC_CHECK_TYPES([stack_t], , , [#include <signal.h>])])
AC_DEFUN([gl_C_STACK],
[
dnl Prerequisites of lib/c-stack.c.
- jm_PREREQ_C_STACK
+ gl_PREREQ_C_STACK
])