File _service:obs_scm:libsigsegv-2.14-lto.patch of Package libsigsegv

From bfa4d54ddbd8caabbe2e9a943395905e40f45f00 Mon Sep 17 00:00:00 2001
From: Bruno Haible <bruno@clisp.org>
Date: Thu, 29 Jun 2023 11:24:26 +0200
Subject: Make the autoconf tests more robust.
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Triggered by
https://gitlab.com/redhat/centos-stream/rpms/libsigsegv/-/blob/c9s/configure.patch
from Petr Šabata <contyk@redhat.com>.

* m4/fault.m4 (SV_TRY_FAULT): Mark the variables that are accessed by
the signal handler as 'volatile'.
---
 m4/fault.m4 | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

(limited to 'm4/fault.m4')

diff --git a/m4/fault.m4 b/m4/fault.m4
index 13afff0..335d5e2 100644
--- a/m4/fault.m4
+++ b/m4/fault.m4
@@ -1,5 +1,5 @@
-# fault.m4 serial 9 (libsigsegv-2.12)
-dnl Copyright (C) 2002-2003, 2011, 2017 Bruno Haible <bruno@clisp.org>
+# fault.m4 serial 10 (libsigsegv-2.15)
+dnl Copyright (C) 2002-2003, 2011, 2017, 2023 Bruno Haible <bruno@clisp.org>
 dnl This file is free software, distributed under the terms of the GNU
 dnl General Public License.  As a special exception to the GNU General
 dnl Public License, this file may be distributed as part of a program
@@ -52,8 +52,8 @@ static int zero_fd;
 #else
 # define SIGSEGV_FAULT_ADDRESS_ROUNDOFF_BITS 0UL
 #endif
-unsigned long page;
-int handler_called = 0;
+unsigned long volatile page;
+int volatile handler_called = 0;
 void sigsegv_handler ($5)
 {
   void *fault_address = (void *) ($6);
-- 
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