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[libvirt] [PATCH] maint: update to latest gnulib

'make syntax-check' wants a newer gnulib for 2014 copyright.

Also, a couple of fixes for bootstrap issues reported on IRC:
- on some older glibc systems, ./configure could deadlock due to
a glibc malloc bug
- on FreeBSD systems, a broken autom4te coupled with gettext
0.18.3 prevents bootstrap; we can't work around it, but can at
least inform the user why they have a problem

And as always, portability fixes in other modules, some of which
are used by libvirt.

* .gnulib: Update to latest, in part for bootstrap improvements,
and for the new year.
* bootstrap: Resync to gnulib.
* gnulib/local/m4/ssize_t.m4.diff: Regenerate.

Signed-off-by: Eric Blake <eblake redhat com>

Pushing under the build-breaker rule now that 'make syntax-check'
is impacted.

* .gnulib 831b84c...c7802e2 (33):
  > doc: update main copyright year
  > maint: update copyright
  > version-etc: new year
  > autoupdate
  > passfd: give nicer error for recvfd at eof
  > autoupdate
  > gettimeofday: port recent C++ fix to Emacs
  > gettimeofday: fix C++ crosscompilation
  > qacl: port to Windows better
  > md5, sha1, sha256, sha512: fix compile error in c++ mode
  > open-tests: fix build failure with -Werror=old-style-declaration
  > md5, sha1, sha256, sha512: fix link error with partial libcrypto
  > md5, sha1, sha256, sha512: add gl_SET_CRYPTO_CHECK_DEFAULT
  > md5, sha1, sha256, sha512: add 'auto', and a way to specify default
  > autoupdate
  > bootstrap: warn about BSD toolchain snafu
  > open-tests: port to glibc with _FORTIFY_SOURCE and -O1
  > include_next: minimize code duplication
  > getcwd: fix compile error in configure check
  > regex: suppress core dumps from detection code
  > md5, sha1, sha256, sha512: support mandating use of openssl
  > test-xvasprintf: disable some -Wformat-security diagnostics
  > regex: avoid glibc deadlock during configure
  > md5, sha1, sha256, sha512: use openssl routines if available
  > base64: fix recent compilation regression on some compilers
  > autoupdate
  > autoupdate
  > ignore-value: revert previous code change
  > selinux-h: improve stub types and add more stub functions
  > ignore-value: prefer GCC version back through 2.0
  > pty: Activate the signature wrapper of forkpty.
  > maint: fix gendocs.sh permissions
  > autoupdate

 .gnulib                         |  2 +-
 bootstrap                       | 12 ++++++++++--
 gnulib/local/m4/ssize_t.m4.diff |  2 +-
 3 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/.gnulib b/.gnulib
index 831b84c..1276a2c 160000
--- a/.gnulib
+++ b/.gnulib
@@ -1 +1 @@
-Subproject commit 831b84c59ef413c57a36b67344467d66a8a2ba70
+Subproject commit 1276a2c5f24c0c932426aca9c899fa524d2443f2
diff --git a/bootstrap b/bootstrap
index e31d17d..ce90bc4 100755
--- a/bootstrap
+++ b/bootstrap
@@ -1,10 +1,10 @@
 #! /bin/sh
 # Print a version string.
-scriptversion=2013-08-15.22; # UTC
+scriptversion=2013-12-05.23; # UTC

 # Bootstrap this package from checked-out sources.

-# Copyright (C) 2003-2013 Free Software Foundation, Inc.
+# Copyright (C) 2003-2014 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
@@ -551,6 +551,14 @@ if ! printf "$buildreq" | check_versions; then

+# Warn the user if autom4te appears to be broken; this causes known
+# issues with at least gettext 0.18.3.
+probe=$(echo 'm4_quote([hi])' | autom4te -l M4sugar -t 'm4_quote:$%' -)
+if test "x$probe" != xhi; then
+  warn_ "WARNING: your autom4te wrapper eats stdin;"
+  warn_ "if bootstrap fails, consider upgrading your autotools"
 echo "$0: Bootstrapping from checked-out $package sources..."

 # See if we can use gnulib's git-merge-changelog merge driver.
diff --git a/gnulib/local/m4/ssize_t.m4.diff b/gnulib/local/m4/ssize_t.m4.diff
index 93f8ad7..08c2b9c 100644
--- a/gnulib/local/m4/ssize_t.m4.diff
+++ b/gnulib/local/m4/ssize_t.m4.diff
@@ -5,7 +5,7 @@ index 209d64c..5ea72a1 100644
 @@ -1,4 +1,4 @@
 -# ssize_t.m4 serial 5 (gettext-0.18.2)
 +# ssize_t.m4 serial 6 (gettext-0.18.2)
- dnl Copyright (C) 2001-2003, 2006, 2010-2013 Free Software Foundation, Inc.
+ dnl Copyright (C) 2001-2003, 2006, 2010-2014 Free Software Foundation, Inc.
  dnl This file is free software; the Free Software Foundation
  dnl gives unlimited permission to copy and/or distribute it,
 @@ -17,7 +17,21 @@ AC_DEFUN([gt_TYPE_SSIZE_T],

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