GNU bug report logs - #5999
new snapshot available: coreutils-8.4.100-81926

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Message #22 received at 5999-done <at> debbugs.gnu.org (full text, mbox):

From: Bruno Haible <bruno <at> clisp.org>
To: Paolo Bonzini <bonzini <at> gnu.org>
Cc: bug-gnulib <at> gnu.org, 5999-done <at> debbugs.gnu.org,
	Gilles Espinasse <g.esp <at> free.fr>, Jim Meyering <jim <at> meyering.net>
Subject: Re: bug#5999: new snapshot available: coreutils-8.4.100-81926
Date: Tue, 27 Apr 2010 01:27:37 +0200

Paolo Bonzini wrote:
> > Here's a patch to make that diagnostic go where it belongs
> > for all gnulib-using projects:
> 
> I wonder if we shouldn't do that for all _autoconf_-using projects!

Or, at least, for all tests in all gnulib-using projects. There are
more possible causes of a FORTIFY message, according to
  <https://wiki.edubuntu.org/CompilerFlags>

How about this proposed patch?


2010-04-26  Jim Meyering  <jim <at> meyering.net>
            Bruno Haible  <bruno <at> clisp.org>

	* m4/gnulib-common.m4 (gl_COMMON_BODY): Set LIBC_FATAL_STDERR_.

--- m4/gnulib-common.m4.orig	Tue Apr 27 01:25:33 2010
+++ m4/gnulib-common.m4	Tue Apr 27 00:01:03 2010
@@ -1,4 +1,4 @@
-# gnulib-common.m4 serial 19
+# gnulib-common.m4 serial 20
 dnl Copyright (C) 2007-2010 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -35,6 +35,12 @@
    is a misnomer outside of parameter lists.  */
 #define _UNUSED_PARAMETER_ _GL_UNUSED
 ])
+  dnl Preparation for running test programs:
+  dnl Tell glibc to write diagnostics from -D_FORTIFY_SOURCE=2 to stderr, not
+  dnl to /dev/tty, so that can be redirected to log files. Such diagnostics
+  dnl occur e.g. in the macros gl_PRINTF_DIRECTIVE_N, gl_SNPRINTF_DIRECTIVE_N.
+  LIBC_FATAL_STDERR_=1
+  export LIBC_FATAL_STDERR_
 ])
 
 # gl_MODULE_INDICATOR_CONDITION

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