/[m4]/m4/config/stackovf.m4
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revision 1.1 by akim, Tue Aug 7 10:02:25 2001 UTC revision 1.2 by gary, Thu Aug 14 15:51:34 2003 UTC
# Line 1  Line 1 
1  # -*- Autoconf -*-  #                                                            -*- Autoconf -*-
2  #serial 1  # stackovf.m4 -- how do we deal with stack overflow?
3    #
4    # Copyright 2000, 2003 Gary V. Vaughan <gary@gnu.org>
5    #
6    # This program is free software; you can redistribute it and/or modify
7    # it under the terms of the GNU General Public License as published by
8    # the Free Software Foundation; either version 2 of the License, or
9    # (at your option) any later version.
10    #
11    # This program is distributed in the hope that it will be useful,
12    # but WITHOUT ANY WARRANTY; without even the implied warranty of
13    # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14    # GNU General Public License for more details.
15    #
16    # You should have received a copy of the GNU General Public License
17    # along with this program; see the file COPYING.  If not, write to
18    # the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19    # Boston, MA 02111-1307, USA.
20    
21    # serial 1
22    
23  # M4_AC_SYS_STACKOVF  # M4_AC_SYS_STACKOVF
24  # ------------------  # ------------------
25  AC_DEFUN([M4_AC_SYS_STACKOVF],  AC_DEFUN([M4_AC_SYS_STACKOVF],
26  [AC_REQUIRE([AC_TYPE_SIGNAL])dnl  [AC_PREREQ(2.56)dnl We use the new compiler based header checking in 2.56
27  AC_CHECK_HEADERS(siginfo.h)  AC_REQUIRE([AC_TYPE_SIGNAL])dnl
28    
29    AC_CHECK_HEADERS(siginfo.h, [], [], $ac_default_headers)
30  AC_CHECK_FUNCS(sigaction sigaltstack sigstack sigvec)  AC_CHECK_FUNCS(sigaction sigaltstack sigstack sigvec)
31  AC_MSG_CHECKING(if stack overflow is detectable)  AC_MSG_CHECKING(if stack overflow is detectable)
32  # Code from Jim Avera <jima@netcom.com>.  # Code from Jim Avera <jima@netcom.com>.

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