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Include <unistd.h>. On some systems,

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it is required for the definition of _SC_PAGESIZE.
This commit is contained in:
Jim Meyering 2003-02-06 13:06:29 +00:00
parent 524ed3ce44
commit 784604222e
1 changed files with 2 additions and 1 deletions
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3
m4/c-stack.m4
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@ -1,6 +1,6 @@
# Check prerequisites for compiling lib/c-stack.c.
# Copyright (C) 2002 Free Software Foundation, Inc.
# 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
@ -27,6 +27,7 @@ AC_DEFUN([AC_SYS_XSI_STACK_OVERFLOW_HEURISTIC],
ac_cv_sys_xsi_stack_overflow_heuristic,
[AC_TRY_RUN(
[
#include <unistd.h>
#include <signal.h>
#include <ucontext.h>