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[SCM] GNU libtasn1 branch, master, updated. libtasn1_2_9-12-g26da37c


From: Simon Josefsson
Subject: [SCM] GNU libtasn1 branch, master, updated. libtasn1_2_9-12-g26da37c
Date: Tue, 25 Oct 2011 13:23:44 +0000

This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU libtasn1".

http://git.savannah.gnu.org/cgit/libtasn1.git/commit/?id=26da37cb350ad84d3088cf1b07b15cf9d345edb1

The branch, master has been updated
       via  26da37cb350ad84d3088cf1b07b15cf9d345edb1 (commit)
       via  8e2ed4c2a39ffc90872b598e854cef89e6d91151 (commit)
       via  45f06971a1803d7c84ffcaf6e53d47354266b3e1 (commit)
      from  58cda71590f48db415e0005f2513da53944063d1 (commit)

Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.

- Log -----------------------------------------------------------------
commit 26da37cb350ad84d3088cf1b07b15cf9d345edb1
Author: Simon Josefsson <address@hidden>
Date:   Tue Oct 25 15:23:28 2011 +0200

    Remove unused variable.

commit 8e2ed4c2a39ffc90872b598e854cef89e6d91151
Author: Simon Josefsson <address@hidden>
Date:   Tue Oct 25 15:22:44 2011 +0200

    README-alpha: Mention make as dependency.

commit 45f06971a1803d7c84ffcaf6e53d47354266b3e1
Author: Simon Josefsson <address@hidden>
Date:   Wed Sep 14 19:21:39 2011 +0200

    Update gnulib files.

-----------------------------------------------------------------------

Summary of changes:
 README-alpha                            |    3 +-
 gl/Makefile.am                          |   60 ++++++++-
 gl/errno.in.h                           |   10 ++
 gl/fstat.c                              |   82 +++++++++++
 gl/ftell.c                              |    7 +-
 gl/gettext.h                            |    2 +-
 gl/lseek.c                              |    2 +
 gl/m4/errno_h.m4                        |    8 +-
 gl/m4/extensions.m4                     |    7 +-
 gl/m4/fstat.m4                          |   28 ++++
 gl/m4/getopt.m4                         |    4 +
 gl/m4/gnulib-cache.m4                   |   20 +++-
 gl/m4/gnulib-common.m4                  |   79 +++++++++++-
 gl/m4/gnulib-comp.m4                    |   59 +++++++-
 gl/m4/include_next.m4                   |   50 ++++++--
 gl/m4/largefile.m4                      |  104 ++++++++++++++
 gl/m4/lseek.m4                          |   10 +-
 gl/m4/msvc-inval.m4                     |   19 +++
 gl/m4/{read-file.m4 => msvc-nothrow.m4} |   10 +-
 gl/m4/nocrash.m4                        |  130 ++++++++++++++++++
 gl/m4/ssize_t.m4                        |   23 +++
 gl/m4/stdint.m4                         |    8 +
 gl/m4/stdio_h.m4                        |    9 +-
 gl/m4/stdlib_h.m4                       |   10 +-
 gl/m4/sys_stat_h.m4                     |    8 +-
 gl/m4/time_h.m4                         |    2 +-
 gl/m4/unistd_h.m4                       |   19 ++-
 gl/m4/warn-on-use.m4                    |    8 +-
 gl/m4/warnings.m4                       |   15 +-
 gl/msvc-inval.c                         |  130 ++++++++++++++++++
 gl/msvc-inval.h                         |  223 +++++++++++++++++++++++++++++++
 gl/msvc-nothrow.c                       |   50 +++++++
 gl/msvc-nothrow.h                       |   44 ++++++
 gl/stdio.in.h                           |   38 ++++++
 gl/stdlib.in.h                          |   16 +++
 gl/sys_stat.in.h                        |   32 ++++-
 gl/unistd.in.h                          |  138 +++++++++++++------
 lib/decoding.c                          |    3 +-
 lib/gllib/Makefile.am                   |   26 +++-
 lib/gllib/string.in.h                   |   30 ++++
 lib/glm4/extensions.m4                  |    7 +-
 lib/glm4/gnulib-cache.m4                |   20 +++-
 lib/glm4/gnulib-common.m4               |   79 +++++++++++-
 lib/glm4/gnulib-comp.m4                 |   22 +++-
 lib/glm4/include_next.m4                |   50 ++++++--
 lib/glm4/stdint.m4                      |    8 +
 lib/glm4/string_h.m4                    |   12 +-
 lib/glm4/warn-on-use.m4                 |    8 +-
 maint.mk                                |   44 ++++--
 49 files changed, 1607 insertions(+), 169 deletions(-)
 create mode 100644 gl/fstat.c
 create mode 100644 gl/m4/fstat.m4
 create mode 100644 gl/m4/largefile.m4
 create mode 100644 gl/m4/msvc-inval.m4
 copy gl/m4/{read-file.m4 => msvc-nothrow.m4} (53%)
 create mode 100644 gl/m4/nocrash.m4
 create mode 100644 gl/m4/ssize_t.m4
 create mode 100644 gl/msvc-inval.c
 create mode 100644 gl/msvc-inval.h
 create mode 100644 gl/msvc-nothrow.c
 create mode 100644 gl/msvc-nothrow.h

diff --git a/README-alpha b/README-alpha
index ddfbd27..85c4c61 100644
--- a/README-alpha
+++ b/README-alpha
@@ -3,6 +3,7 @@ wants to build from version controlled sources.
 
 We require several tools to build the software, including:
 
+- Make <http://www.gnu.org/software/make/>
 - Automake <http://www.gnu.org/software/automake/>
 - Autoconf <http://www.gnu.org/software/autoconf/>
 - Libtool <http://www.gnu.org/software/libtool/>
@@ -21,7 +22,7 @@ system, and the instructions for installing them differ.  
Here are
 some hints:
 
 gNewSense/Debian/Ubuntu:
-sudo apt-get install git-core autoconf automake libtool
+sudo apt-get install make git-core autoconf automake libtool
 sudo apt-get install texinfo texlive texlive-generic-recommended 
texlive-extra-utils
 sudo apt-get install help2man gtk-doc-tools valgrind
 
diff --git a/gl/Makefile.am b/gl/Makefile.am
index b0cbcd1..20891be 100644
--- a/gl/Makefile.am
+++ b/gl/Makefile.am
@@ -2,10 +2,22 @@
 ## Process this file with automake to produce Makefile.in.
 # Copyright (C) 2002-2011 Free Software Foundation, Inc.
 #
-# This file is free software, distributed under the terms of the GNU
-# General Public License.  As a special exception to the GNU General
-# Public License, this file may be distributed as part of a program
-# that contains a configuration script generated by Autoconf, under
+# This file is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This file is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this file.  If not, see <http://www.gnu.org/licenses/>.
+#
+# As a special exception to the GNU General Public License,
+# this file may be distributed as part of a program that
+# contains a configuration script generated by Autoconf, under
 # the same distribution terms as the rest of that program.
 #
 # Generated by gnulib-tool.
@@ -74,6 +86,15 @@ EXTRA_DIST += errno.in.h
 
 ## end   gnulib module errno
 
+## begin gnulib module fstat
+
+
+EXTRA_DIST += fstat.c
+
+EXTRA_libgnu_la_SOURCES += fstat.c
+
+## end   gnulib module fstat
+
 ## begin gnulib module ftell
 
 
@@ -166,6 +187,24 @@ EXTRA_libgnu_la_SOURCES += malloc.c
 
 ## end   gnulib module malloc-posix
 
+## begin gnulib module msvc-inval
+
+
+EXTRA_DIST += msvc-inval.c msvc-inval.h
+
+EXTRA_libgnu_la_SOURCES += msvc-inval.c
+
+## end   gnulib module msvc-inval
+
+## begin gnulib module msvc-nothrow
+
+
+EXTRA_DIST += msvc-nothrow.c msvc-nothrow.h
+
+EXTRA_libgnu_la_SOURCES += msvc-nothrow.c
+
+## end   gnulib module msvc-nothrow
+
 ## begin gnulib module pmccabe2html
 
 
@@ -401,6 +440,7 @@ stdio.h: stdio.in.h $(top_builddir)/config.status 
$(CXXDEFS_H) $(ARG_NONNULL_H)
              -e 's|@''NEXT_STDIO_H''@|$(NEXT_STDIO_H)|g' \
              -e 's/@''GNULIB_DPRINTF''@/$(GNULIB_DPRINTF)/g' \
              -e 's/@''GNULIB_FCLOSE''@/$(GNULIB_FCLOSE)/g' \
+             -e 's/@''GNULIB_FDOPEN''@/$(GNULIB_FDOPEN)/g' \
              -e 's/@''GNULIB_FFLUSH''@/$(GNULIB_FFLUSH)/g' \
              -e 's/@''GNULIB_FGETC''@/$(GNULIB_FGETC)/g' \
              -e 's/@''GNULIB_FGETS''@/$(GNULIB_FGETS)/g' \
@@ -425,6 +465,7 @@ stdio.h: stdio.in.h $(top_builddir)/config.status 
$(CXXDEFS_H) $(ARG_NONNULL_H)
              -e 's/@''GNULIB_GETS''@/$(GNULIB_GETS)/g' \
              -e 's/@''GNULIB_OBSTACK_PRINTF''@/$(GNULIB_OBSTACK_PRINTF)/g' \
              -e 
's/@''GNULIB_OBSTACK_PRINTF_POSIX''@/$(GNULIB_OBSTACK_PRINTF_POSIX)/g' \
+             -e 's/@''GNULIB_PCLOSE''@/$(GNULIB_PCLOSE)/g' \
              -e 's/@''GNULIB_PERROR''@/$(GNULIB_PERROR)/g' \
              -e 's/@''GNULIB_POPEN''@/$(GNULIB_POPEN)/g' \
              -e 's/@''GNULIB_PRINTF''@/$(GNULIB_PRINTF)/g' \
@@ -463,11 +504,14 @@ stdio.h: stdio.in.h $(top_builddir)/config.status 
$(CXXDEFS_H) $(ARG_NONNULL_H)
              -e 's|@''HAVE_DPRINTF''@|$(HAVE_DPRINTF)|g' \
              -e 's|@''HAVE_FSEEKO''@|$(HAVE_FSEEKO)|g' \
              -e 's|@''HAVE_FTELLO''@|$(HAVE_FTELLO)|g' \
+             -e 's|@''HAVE_PCLOSE''@|$(HAVE_PCLOSE)|g' \
+             -e 's|@''HAVE_POPEN''@|$(HAVE_POPEN)|g' \
              -e 's|@''HAVE_RENAMEAT''@|$(HAVE_RENAMEAT)|g' \
              -e 's|@''HAVE_VASPRINTF''@|$(HAVE_VASPRINTF)|g' \
              -e 's|@''HAVE_VDPRINTF''@|$(HAVE_VDPRINTF)|g' \
              -e 's|@''REPLACE_DPRINTF''@|$(REPLACE_DPRINTF)|g' \
              -e 's|@''REPLACE_FCLOSE''@|$(REPLACE_FCLOSE)|g' \
+             -e 's|@''REPLACE_FDOPEN''@|$(REPLACE_FDOPEN)|g' \
              -e 's|@''REPLACE_FFLUSH''@|$(REPLACE_FFLUSH)|g' \
              -e 's|@''REPLACE_FOPEN''@|$(REPLACE_FOPEN)|g' \
              -e 's|@''REPLACE_FPRINTF''@|$(REPLACE_FPRINTF)|g' \
@@ -538,6 +582,7 @@ stdlib.h: stdlib.in.h $(top_builddir)/config.status 
$(CXXDEFS_H) \
              -e 's/@''GNULIB_MKOSTEMPS''@/$(GNULIB_MKOSTEMPS)/g' \
              -e 's/@''GNULIB_MKSTEMP''@/$(GNULIB_MKSTEMP)/g' \
              -e 's/@''GNULIB_MKSTEMPS''@/$(GNULIB_MKSTEMPS)/g' \
+             -e 's/@''GNULIB_POSIX_OPENPT''@/$(GNULIB_POSIX_OPENPT)/g' \
              -e 's/@''GNULIB_PTSNAME''@/$(GNULIB_PTSNAME)/g' \
              -e 's/@''GNULIB_PUTENV''@/$(GNULIB_PUTENV)/g' \
              -e 's/@''GNULIB_RANDOM_R''@/$(GNULIB_RANDOM_R)/g' \
@@ -564,6 +609,7 @@ stdlib.h: stdlib.in.h $(top_builddir)/config.status 
$(CXXDEFS_H) \
              -e 's|@''HAVE_MKOSTEMPS''@|$(HAVE_MKOSTEMPS)|g' \
              -e 's|@''HAVE_MKSTEMP''@|$(HAVE_MKSTEMP)|g' \
              -e 's|@''HAVE_MKSTEMPS''@|$(HAVE_MKSTEMPS)|g' \
+             -e 's|@''HAVE_POSIX_OPENPT''@|$(HAVE_POSIX_OPENPT)|g' \
              -e 's|@''HAVE_PTSNAME''@|$(HAVE_PTSNAME)|g' \
              -e 's|@''HAVE_RANDOM_H''@|$(HAVE_RANDOM_H)|g' \
              -e 's|@''HAVE_RANDOM_R''@|$(HAVE_RANDOM_R)|g' \
@@ -617,6 +663,7 @@ sys/stat.h: sys_stat.in.h $(top_builddir)/config.status 
$(CXXDEFS_H) $(ARG_NONNU
              -e 's|@''PRAGMA_COLUMNS''@|@PRAGMA_COLUMNS@|g' \
              -e 's|@''NEXT_SYS_STAT_H''@|$(NEXT_SYS_STAT_H)|g' \
              -e 's/@''GNULIB_FCHMODAT''@/$(GNULIB_FCHMODAT)/g' \
+             -e 's/@''GNULIB_FSTAT''@/$(GNULIB_FSTAT)/g' \
              -e 's/@''GNULIB_FSTATAT''@/$(GNULIB_FSTATAT)/g' \
              -e 's/@''GNULIB_FUTIMENS''@/$(GNULIB_FUTIMENS)/g' \
              -e 's/@''GNULIB_LCHMOD''@/$(GNULIB_LCHMOD)/g' \
@@ -718,8 +765,10 @@ unistd.h: unistd.in.h $(top_builddir)/config.status 
$(CXXDEFS_H) $(ARG_NONNULL_H
              -e 's|@''PRAGMA_SYSTEM_HEADER''@|@PRAGMA_SYSTEM_HEADER@|g' \
              -e 's|@''PRAGMA_COLUMNS''@|@PRAGMA_COLUMNS@|g' \
              -e 's|@''NEXT_UNISTD_H''@|$(NEXT_UNISTD_H)|g' \
+             -e 's/@''GNULIB_CHDIR''@/$(GNULIB_CHDIR)/g' \
              -e 's/@''GNULIB_CHOWN''@/$(GNULIB_CHOWN)/g' \
              -e 's/@''GNULIB_CLOSE''@/$(GNULIB_CLOSE)/g' \
+             -e 's/@''GNULIB_DUP''@/$(GNULIB_DUP)/g' \
              -e 's/@''GNULIB_DUP2''@/$(GNULIB_DUP2)/g' \
              -e 's/@''GNULIB_DUP3''@/$(GNULIB_DUP3)/g' \
              -e 's/@''GNULIB_ENVIRON''@/$(GNULIB_ENVIRON)/g' \
@@ -727,6 +776,7 @@ unistd.h: unistd.in.h $(top_builddir)/config.status 
$(CXXDEFS_H) $(ARG_NONNULL_H
              -e 's/@''GNULIB_FACCESSAT''@/$(GNULIB_FACCESSAT)/g' \
              -e 's/@''GNULIB_FCHDIR''@/$(GNULIB_FCHDIR)/g' \
              -e 's/@''GNULIB_FCHOWNAT''@/$(GNULIB_FCHOWNAT)/g' \
+             -e 's/@''GNULIB_FDATASYNC''@/$(GNULIB_FDATASYNC)/g' \
              -e 's/@''GNULIB_FSYNC''@/$(GNULIB_FSYNC)/g' \
              -e 's/@''GNULIB_FTRUNCATE''@/$(GNULIB_FTRUNCATE)/g' \
              -e 's/@''GNULIB_GETCWD''@/$(GNULIB_GETCWD)/g' \
@@ -770,6 +820,7 @@ unistd.h: unistd.in.h $(top_builddir)/config.status 
$(CXXDEFS_H) $(ARG_NONNULL_H
              -e 's|@''HAVE_FACCESSAT''@|$(HAVE_FACCESSAT)|g' \
              -e 's|@''HAVE_FCHDIR''@|$(HAVE_FCHDIR)|g' \
              -e 's|@''HAVE_FCHOWNAT''@|$(HAVE_FCHOWNAT)|g' \
+             -e 's|@''HAVE_FDATASYNC''@|$(HAVE_FDATASYNC)|g' \
              -e 's|@''HAVE_FSYNC''@|$(HAVE_FSYNC)|g' \
              -e 's|@''HAVE_FTRUNCATE''@|$(HAVE_FTRUNCATE)|g' \
              -e 's|@''HAVE_GETDTABLESIZE''@|$(HAVE_GETDTABLESIZE)|g' \
@@ -794,6 +845,7 @@ unistd.h: unistd.in.h $(top_builddir)/config.status 
$(CXXDEFS_H) $(ARG_NONNULL_H
              -e 's|@''HAVE_USLEEP''@|$(HAVE_USLEEP)|g' \
              -e 's|@''HAVE_DECL_ENVIRON''@|$(HAVE_DECL_ENVIRON)|g' \
              -e 's|@''HAVE_DECL_FCHDIR''@|$(HAVE_DECL_FCHDIR)|g' \
+             -e 's|@''HAVE_DECL_FDATASYNC''@|$(HAVE_DECL_FDATASYNC)|g' \
              -e 's|@''HAVE_DECL_GETDOMAINNAME''@|$(HAVE_DECL_GETDOMAINNAME)|g' 
\
              -e 's|@''HAVE_DECL_GETLOGIN_R''@|$(HAVE_DECL_GETLOGIN_R)|g' \
              -e 's|@''HAVE_DECL_GETPAGESIZE''@|$(HAVE_DECL_GETPAGESIZE)|g' \
diff --git a/gl/errno.in.h b/gl/errno.in.h
index a63b92a..5a7533a 100644
--- a/gl/errno.in.h
+++ b/gl/errno.in.h
@@ -147,6 +147,16 @@
 #  define GNULIB_defined_ENOTSUP 1
 # endif
 
+# ifndef ENETRESET
+#  define ENETRESET 2011
+#  define GNULIB_defined_ENETRESET 1
+# endif
+
+# ifndef ECONNABORTED
+#  define ECONNABORTED 2012
+#  define GNULIB_defined_ECONNABORTED 1
+# endif
+
 # ifndef ESTALE
 #  define ESTALE    2009
 #  define GNULIB_defined_ESTALE 1
diff --git a/gl/fstat.c b/gl/fstat.c
new file mode 100644
index 0000000..db5b17c
--- /dev/null
+++ b/gl/fstat.c
@@ -0,0 +1,82 @@
+/* fstat() replacement.
+   Copyright (C) 2011 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
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+/* If the user's config.h happens to include <sys/stat.h>, let it include only
+   the system's <sys/stat.h> here, so that orig_fstat doesn't recurse to
+   rpl_fstat.  */
+#define __need_system_sys_stat_h
+#include <config.h>
+
+/* Get the original definition of fstat.  It might be defined as a macro.  */
+#include <sys/types.h>
+#include <sys/stat.h>
+#undef __need_system_sys_stat_h
+
+static inline int
+orig_fstat (int fd, struct stat *buf)
+{
+  return fstat (fd, buf);
+}
+
+/* Specification.  */
+/* Write "sys/stat.h" here, not <sys/stat.h>, otherwise OSF/1 5.1 DTK cc
+   eliminates this include because of the preliminary #include <sys/stat.h>
+   above.  */
+#include "sys/stat.h"
+
+#include <errno.h>
+#include <unistd.h>
+
+#if HAVE_MSVC_INVALID_PARAMETER_HANDLER
+# include "msvc-inval.h"
+#endif
+
+#if HAVE_MSVC_INVALID_PARAMETER_HANDLER
+static inline int
+fstat_nothrow (int fd, struct stat *buf)
+{
+  int result;
+
+  TRY_MSVC_INVAL
+    {
+      result = orig_fstat (fd, buf);
+    }
+  CATCH_MSVC_INVAL
+    {
+      result = -1;
+      errno = EBADF;
+    }
+  DONE_MSVC_INVAL;
+
+  return result;
+}
+#else
+# define fstat_nothrow orig_fstat
+#endif
+
+int
+rpl_fstat (int fd, struct stat *buf)
+{
+#if REPLACE_FCHDIR && REPLACE_OPEN_DIRECTORY
+  /* Handle the case when rpl_open() used a dummy file descriptor to work
+     around an open() that can't normally visit directories.  */
+  const char *name = _gl_directory_name (fd);
+  if (name != NULL)
+    return stat (name, buf);
+#endif
+
+  return fstat_nothrow (fd, buf);
+}
diff --git a/gl/ftell.c b/gl/ftell.c
index 79083fb..74ec986 100644
--- a/gl/ftell.c
+++ b/gl/ftell.c
@@ -20,16 +20,15 @@
 #include <stdio.h>
 
 #include <errno.h>
-/* Get off_t.  */
-#include <unistd.h>
+#include <limits.h>
 
 long
 ftell (FILE *fp)
 {
   /* Use the replacement ftello function with all its workarounds.  */
   off_t offset = ftello (fp);
-  if (offset == (long)offset)
-    return (long)offset;
+  if (LONG_MIN <= offset && offset <= LONG_MAX)
+    return /* (long) */ offset;
   else
     {
       errno = EOVERFLOW;
diff --git a/gl/gettext.h b/gl/gettext.h
index 458e332..792e506 100644
--- a/gl/gettext.h
+++ b/gl/gettext.h
@@ -185,7 +185,7 @@ npgettext_aux (const char *domain,
 #include <string.h>
 
 #define _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS \
-  (((__GNUC__ >= 3 || __GNUG__ >= 2) && !__STRICT_ANSI__) \
+  (((__GNUC__ >= 3 || __GNUG__ >= 2) && !defined __STRICT_ANSI__) \
    /* || __STDC_VERSION__ >= 199901L */ )
 
 #if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
diff --git a/gl/lseek.c b/gl/lseek.c
index 8339044..8c9834f 100644
--- a/gl/lseek.c
+++ b/gl/lseek.c
@@ -24,6 +24,8 @@
 /* Windows platforms.  */
 /* Get GetFileType.  */
 # include <windows.h>
+/* Get _get_osfhandle.  */
+# include "msvc-nothrow.h"
 #else
 # include <sys/stat.h>
 #endif
diff --git a/gl/m4/errno_h.m4 b/gl/m4/errno_h.m4
index a6d37f3..560adba 100644
--- a/gl/m4/errno_h.m4
+++ b/gl/m4/errno_h.m4
@@ -1,4 +1,4 @@
-# errno_h.m4 serial 9
+# errno_h.m4 serial 10
 dnl Copyright (C) 2004, 2006, 2008-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -34,6 +34,12 @@ booboo
 #if !defined ENOTSUP
 booboo
 #endif
+#if !defined ENETRESET
+booboo
+#endif
+#if !defined ECONNABORTED
+booboo
+#endif
 #if !defined ESTALE
 booboo
 #endif
diff --git a/gl/m4/extensions.m4 b/gl/m4/extensions.m4
index 1330503..22156e0 100644
--- a/gl/m4/extensions.m4
+++ b/gl/m4/extensions.m4
@@ -1,4 +1,4 @@
-# serial 9  -*- Autoconf -*-
+# serial 10  -*- Autoconf -*-
 # Enable extensions on systems that normally disable them.
 
 # Copyright (C) 2003, 2006-2011 Free Software Foundation, Inc.
@@ -67,6 +67,10 @@ AC_BEFORE([$0], [AC_RUN_IFELSE])dnl
 #ifndef _ALL_SOURCE
 # undef _ALL_SOURCE
 #endif
+/* Enable general extensions on MacOS X.  */
+#ifndef _DARWIN_C_SOURCE
+# undef _DARWIN_C_SOURCE
+#endif
 /* Enable GNU extensions on systems that have them.  */
 #ifndef _GNU_SOURCE
 # undef _GNU_SOURCE
@@ -95,6 +99,7 @@ AC_BEFORE([$0], [AC_RUN_IFELSE])dnl
   test $ac_cv_safe_to_define___extensions__ = yes &&
     AC_DEFINE([__EXTENSIONS__])
   AC_DEFINE([_ALL_SOURCE])
+  AC_DEFINE([_DARWIN_C_SOURCE])
   AC_DEFINE([_GNU_SOURCE])
   AC_DEFINE([_POSIX_PTHREAD_SEMANTICS])
   AC_DEFINE([_TANDEM_SOURCE])
diff --git a/gl/m4/fstat.m4 b/gl/m4/fstat.m4
new file mode 100644
index 0000000..0daea88
--- /dev/null
+++ b/gl/m4/fstat.m4
@@ -0,0 +1,28 @@
+# fstat.m4 serial 1
+dnl Copyright (C) 2011 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+AC_DEFUN([gl_FUNC_FSTAT],
+[
+  AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS])
+  AC_REQUIRE([gl_MSVC_INVAL])
+  if test $HAVE_MSVC_INVALID_PARAMETER_HANDLER = 1; then
+    REPLACE_FSTAT=1
+  fi
+  dnl Replace fstat() for supporting the gnulib-defined open() on directories.
+  m4_ifdef([gl_FUNC_FCHDIR], [
+    gl_TEST_FCHDIR
+    if test $HAVE_FCHDIR = 0 \
+       && test "$gl_cv_func_open_directory_works" != yes; then
+      REPLACE_FSTAT=1
+    fi
+  ])
+])
+
+# Prerequisites of lib/fstat.c.
+AC_DEFUN([gl_PREREQ_FSTAT],
+[
+  AC_REQUIRE([AC_C_INLINE])
+])
diff --git a/gl/m4/getopt.m4 b/gl/m4/getopt.m4
index 7e49ddd..047a3db 100644
--- a/gl/m4/getopt.m4
+++ b/gl/m4/getopt.m4
@@ -231,8 +231,12 @@ dnl is ambiguous with environment values that contain 
newlines.
         [AC_LANG_PROGRAM([[#include <getopt.h>
                            #include <stddef.h>
                            #include <string.h>
+           ]GL_NOCRASH[
            ]], [[
              int result = 0;
+
+             nocrash_init();
+
              /* This code succeeds on glibc 2.8, OpenBSD 4.0, Cygwin, mingw,
                 and fails on MacOS X 10.5, AIX 5.2, HP-UX 11, IRIX 6.5,
                 OSF/1 5.1, Solaris 10.  */
diff --git a/gl/m4/gnulib-cache.m4 b/gl/m4/gnulib-cache.m4
index de63961..5c8b73e 100644
--- a/gl/m4/gnulib-cache.m4
+++ b/gl/m4/gnulib-cache.m4
@@ -1,9 +1,21 @@
 # Copyright (C) 2002-2011 Free Software Foundation, Inc.
 #
-# This file is free software, distributed under the terms of the GNU
-# General Public License.  As a special exception to the GNU General
-# Public License, this file may be distributed as part of a program
-# that contains a configuration script generated by Autoconf, under
+# This file is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This file is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this file.  If not, see <http://www.gnu.org/licenses/>.
+#
+# As a special exception to the GNU General Public License,
+# this file may be distributed as part of a program that
+# contains a configuration script generated by Autoconf, under
 # the same distribution terms as the rest of that program.
 #
 # Generated by gnulib-tool.
diff --git a/gl/m4/gnulib-common.m4 b/gl/m4/gnulib-common.m4
index 6b5923a..7d83299 100644
--- a/gl/m4/gnulib-common.m4
+++ b/gl/m4/gnulib-common.m4
@@ -1,4 +1,4 @@
-# gnulib-common.m4 serial 28
+# gnulib-common.m4 serial 31
 dnl Copyright (C) 2007-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -211,6 +211,83 @@ m4_ifndef([AS_VAR_IF],
 [m4_define([AS_VAR_IF],
 [AS_IF([test x"AS_VAR_GET([$1])" = x""$2], [$3], [$4])])])
 
+# gl_PROG_CC_C99
+# Modifies the value of the shell variable CC in an attempt to make $CC
+# understand ISO C99 source code.
+# This is like AC_PROG_CC_C99, except that
+# - AC_PROG_CC_C99 did not exist in Autoconf versions < 2.60,
+# - AC_PROG_CC_C99 does not mix well with AC_PROG_CC_STDC
+#   <http://lists.gnu.org/archive/html/bug-gnulib/2011-09/msg00367.html>,
+#   but many more packages use AC_PROG_CC_STDC than AC_PROG_CC_C99
+#   <http://lists.gnu.org/archive/html/bug-gnulib/2011-09/msg00441.html>.
+# Remaining problems:
+# - When AC_PROG_CC_STDC is invoked twice, it adds the C99 enabling options
+#   to CC twice
+#   <http://lists.gnu.org/archive/html/bug-gnulib/2011-09/msg00431.html>.
+# - AC_PROG_CC_STDC is likely to change when C1X is an ISO standard.
+AC_DEFUN([gl_PROG_CC_C99],
+[
+  dnl Change that version number to the minimum Autoconf version that supports
+  dnl mixing AC_PROG_CC_C99 calls with AC_PROG_CC_STDC calls.
+  m4_version_prereq([9.0],
+    [AC_REQUIRE([AC_PROG_CC_C99])],
+    [AC_REQUIRE([AC_PROG_CC_STDC])])
+])
+
+# gl_PROG_AR_RANLIB
+# Determines the values for AR, ARFLAGS, RANLIB that fit with the compiler.
+# The user can set the variables AR, ARFLAGS, RANLIB if he wants to override
+# the values.
+AC_DEFUN([gl_PROG_AR_RANLIB],
+[
+  dnl Minix 3 comes with two toolchains: The Amsterdam Compiler Kit compiler
+  dnl as "cc", and GCC as "gcc". They have different object file formats and
+  dnl library formats. In particular, the GNU binutils programs ar, ranlib
+  dnl produce libraries that work only with gcc, not with cc.
+  AC_REQUIRE([AC_PROG_CC])
+  AC_CACHE_CHECK([for Minix Amsterdam compiler], [gl_cv_c_amsterdam_compiler],
+    [
+      AC_EGREP_CPP([Amsterdam],
+        [
+#ifdef __ACK__
+Amsterdam
+#endif
+        ],
+        [gl_cv_c_amsterdam_compiler=yes],
+        [gl_cv_c_amsterdam_compiler=no])
+    ])
+  if test -z "$AR"; then
+    if test $gl_cv_c_amsterdam_compiler = yes; then
+      AR='cc -c.a'
+      if test -z "$ARFLAGS"; then
+        ARFLAGS='-o'
+      fi
+    else
+      dnl Use the Automake-documented default values for AR and ARFLAGS,
+      dnl but prefer ${host}-ar over ar (useful for cross-compiling).
+      AC_CHECK_TOOL([AR], [ar], [ar])
+      if test -z "$ARFLAGS"; then
+        ARFLAGS='cru'
+      fi
+    fi
+  else
+    if test -z "$ARFLAGS"; then
+      ARFLAGS='cru'
+    fi
+  fi
+  AC_SUBST([AR])
+  AC_SUBST([ARFLAGS])
+  if test -z "$RANLIB"; then
+    if test $gl_cv_c_amsterdam_compiler = yes; then
+      RANLIB=':'
+    else
+      dnl Use the ranlib program if it is available.
+      AC_PROG_RANLIB
+    fi
+  fi
+  AC_SUBST([RANLIB])
+])
+
 # AC_PROG_MKDIR_P
 # is a backport of autoconf-2.60's AC_PROG_MKDIR_P, with a fix
 # for interoperability with automake-1.9.6 from autoconf-2.62.
diff --git a/gl/m4/gnulib-comp.m4 b/gl/m4/gnulib-comp.m4
index 6b5ed3f..1c25aa4 100644
--- a/gl/m4/gnulib-comp.m4
+++ b/gl/m4/gnulib-comp.m4
@@ -1,10 +1,22 @@
 # DO NOT EDIT! GENERATED AUTOMATICALLY!
 # Copyright (C) 2002-2011 Free Software Foundation, Inc.
 #
-# This file is free software, distributed under the terms of the GNU
-# General Public License.  As a special exception to the GNU General
-# Public License, this file may be distributed as part of a program
-# that contains a configuration script generated by Autoconf, under
+# This file is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This file is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this file.  If not, see <http://www.gnu.org/licenses/>.
+#
+# As a special exception to the GNU General Public License,
+# this file may be distributed as part of a program that
+# contains a configuration script generated by Autoconf, under
 # the same distribution terms as the rest of that program.
 #
 # Generated by gnulib-tool.
@@ -25,13 +37,14 @@ AC_DEFUN([gl_EARLY],
   m4_pattern_allow([^gl_ES$])dnl a valid locale name
   m4_pattern_allow([^gl_LIBOBJS$])dnl a variable
   m4_pattern_allow([^gl_LTLIBOBJS$])dnl a variable
-  AC_REQUIRE([AC_PROG_RANLIB])
+  AC_REQUIRE([gl_PROG_AR_RANLIB])
   # Code from module autobuild:
   AB_INIT
   # Code from module errno:
   # Code from module extensions:
   AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
   # Code from module fdl-1.3:
+  # Code from module fstat:
   # Code from module ftell:
   # Code from module ftello:
   AC_REQUIRE([AC_FUNC_FSEEKO])
@@ -41,11 +54,16 @@ AC_DEFUN([gl_EARLY],
   # Code from module gettext-h:
   # Code from module gnumakefile:
   # Code from module include_next:
+  # Code from module largefile:
+  AC_REQUIRE([AC_SYS_LARGEFILE])
   # Code from module lseek:
   # Code from module maintainer-makefile:
   # Code from module malloc-posix:
   # Code from module manywarnings:
+  # Code from module msvc-inval:
+  # Code from module msvc-nothrow:
   # Code from module multiarch:
+  # Code from module nocrash:
   # Code from module pmccabe2html:
   # Code from module progname:
   # Code from module read-file:
@@ -54,12 +72,13 @@ AC_DEFUN([gl_EARLY],
   # Code from module snippet/arg-nonnull:
   # Code from module snippet/c++defs:
   # Code from module snippet/warn-on-use:
+  # Code from module ssize_t:
   # Code from module stdarg:
   dnl Some compilers (e.g., AIX 5.3 cc) need to be in c99 mode
   dnl for the builtin va_copy to work.  With Autoconf 2.60 or later,
-  dnl AC_PROG_CC_STDC arranges for this.  With older Autoconf AC_PROG_CC_STDC
+  dnl gl_PROG_CC_C99 arranges for this.  With older Autoconf gl_PROG_CC_C99
   dnl shouldn't hurt, though installers are on their own to set c99 mode.
-  AC_REQUIRE([AC_PROG_CC_STDC])
+  gl_PROG_CC_C99
   # Code from module stddef:
   # Code from module stdint:
   # Code from module stdio:
@@ -91,6 +110,12 @@ AC_DEFUN([gl_INIT],
   gl_COMMON
   gl_source_base='gl'
 gl_HEADER_ERRNO_H
+gl_FUNC_FSTAT
+if test $REPLACE_FSTAT = 1; then
+  AC_LIBOBJ([fstat])
+  gl_PREREQ_FSTAT
+fi
+gl_SYS_STAT_MODULE_INDICATOR([fstat])
 gl_FUNC_FTELL
 if test $REPLACE_FTELL = 1; then
   AC_LIBOBJ([ftell])
@@ -138,6 +163,14 @@ if test $REPLACE_MALLOC = 1; then
   AC_LIBOBJ([malloc])
 fi
 gl_STDLIB_MODULE_INDICATOR([malloc-posix])
+gl_MSVC_INVAL
+if test $HAVE_MSVC_INVALID_PARAMETER_HANDLER = 1; then
+  AC_LIBOBJ([msvc-inval])
+fi
+gl_MSVC_NOTHROW
+if test $HAVE_MSVC_INVALID_PARAMETER_HANDLER = 1; then
+  AC_LIBOBJ([msvc-nothrow])
+fi
 gl_MULTIARCH
 AC_PATH_PROG([PMCCABE], [pmccabe], [false])
 AC_CHECK_DECLS([program_invocation_name], [], [], [#include <errno.h>])
@@ -148,6 +181,7 @@ if test $REPLACE_REALLOC = 1; then
   AC_LIBOBJ([realloc])
 fi
 gl_STDLIB_MODULE_INDICATOR([realloc-posix])
+gt_TYPE_SSIZE_T
 gl_STDARG_H
 gl_STDDEF_H
 gl_STDINT_H
@@ -310,6 +344,7 @@ AC_DEFUN([gl_FILE_LIST], [
   doc/fdl-1.3.texi
   doc/gendocs_template
   lib/errno.in.h
+  lib/fstat.c
   lib/ftell.c
   lib/ftello.c
   lib/getopt.c
@@ -319,6 +354,10 @@ AC_DEFUN([gl_FILE_LIST], [
   lib/gettext.h
   lib/lseek.c
   lib/malloc.c
+  lib/msvc-inval.c
+  lib/msvc-inval.h
+  lib/msvc-nothrow.c
+  lib/msvc-nothrow.h
   lib/progname.c
   lib/progname.h
   lib/read-file.c
@@ -341,18 +380,24 @@ AC_DEFUN([gl_FILE_LIST], [
   m4/errno_h.m4
   m4/extensions.m4
   m4/fseeko.m4
+  m4/fstat.m4
   m4/ftell.m4
   m4/ftello.m4
   m4/getopt.m4
   m4/gnulib-common.m4
   m4/include_next.m4
+  m4/largefile.m4
   m4/longlong.m4
   m4/lseek.m4
   m4/malloc.m4
   m4/manywarnings.m4
+  m4/msvc-inval.m4
+  m4/msvc-nothrow.m4
   m4/multiarch.m4
+  m4/nocrash.m4
   m4/read-file.m4
   m4/realloc.m4
+  m4/ssize_t.m4
   m4/stdarg.m4
   m4/stddef_h.m4
   m4/stdint.m4
diff --git a/gl/m4/include_next.m4 b/gl/m4/include_next.m4
index b3c7849..8a1fab6 100644
--- a/gl/m4/include_next.m4
+++ b/gl/m4/include_next.m4
@@ -1,4 +1,4 @@
-# include_next.m4 serial 18
+# include_next.m4 serial 23
 dnl Copyright (C) 2006-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -175,11 +175,13 @@ AC_DEFUN([gl_NEXT_HEADERS_INTERNAL],
     [AC_CHECK_HEADERS_ONCE([$1])
     ])
 
+dnl FIXME: gl_next_header and gl_header_exists must be used unquoted
+dnl until we can assume autoconf 2.64 or newer.
   m4_foreach_w([gl_HEADER_NAME], [$1],
     [AS_VAR_PUSHDEF([gl_next_header],
                     [gl_cv_next_]m4_defn([gl_HEADER_NAME]))
      if test $gl_cv_have_include_next = yes; then
-       AS_VAR_SET([gl_next_header], ['<'gl_HEADER_NAME'>'])
+       AS_VAR_SET(gl_next_header, ['<'gl_HEADER_NAME'>'])
      else
        AC_CACHE_CHECK(
          [absolute name of <]m4_defn([gl_HEADER_NAME])[>],
@@ -205,33 +207,57 @@ AC_DEFUN([gl_NEXT_HEADERS_INTERNAL],
                  aix*) gl_absname_cpp="$ac_cpp -C" ;;
                  *)    gl_absname_cpp="$ac_cpp" ;;
                esac
+changequote(,)
+               case "$host_os" in
+                 mingw*)
+                   dnl For the sake of native Windows compilers (excluding 
gcc),
+                   dnl treat backslash as a directory separator, like /.
+                   dnl Actually, these compilers use a double-backslash as
+                   dnl directory separator, inside the
+                   dnl   # line "filename"
+                   dnl directives.
+                   gl_dirsep_regex='[/\\]'
+                   ;;
+                 *)
+                   gl_dirsep_regex='\/'
+                   ;;
+               esac
+               dnl A sed expression that turns a string into a basic regular
+               dnl expression, for use within "/.../".
+               gl_make_literal_regex_sed='s,[]$^\\.*/[],\\&,g'
+changequote([,])
+               gl_header_literal_regex=`echo ']m4_defn([gl_HEADER_NAME])[' \
+                                        | sed -e "$gl_make_literal_regex_sed"`
+               
gl_absolute_header_sed="/${gl_dirsep_regex}${gl_header_literal_regex}/"'{
+                   
s/.*"\(.*'"${gl_dirsep_regex}${gl_header_literal_regex}"'\)".*/\1/
+changequote(,)dnl
+                   s|^/[^/]|//&|
+changequote([,])dnl
+                   p
+                   q
+                 }'
                dnl eval is necessary to expand gl_absname_cpp.
                dnl Ultrix and Pyramid sh refuse to redirect output of eval,
                dnl so use subshell.
-               AS_VAR_SET([gl_next_header],
+               AS_VAR_SET(gl_next_header,
                  ['"'`(eval "$gl_absname_cpp conftest.$ac_ext") 
2>&AS_MESSAGE_LOG_FD |
-                  sed -n '\#/]m4_defn([gl_HEADER_NAME])[#{
-                    s#.*"\(.*/]m4_defn([gl_HEADER_NAME])[\)".*#\1#
-                    s#^/[^/]#//&#
-                    p
-                    q
-                  }'`'"'])
+                      sed -n "$gl_absolute_header_sed"`'"'])
           m4_if([$2], [check],
             [else
-               AS_VAR_SET([gl_next_header], ['<'gl_HEADER_NAME'>'])
+               AS_VAR_SET(gl_next_header, ['<'gl_HEADER_NAME'>'])
              fi
             ])
          ])
      fi
      AC_SUBST(
        AS_TR_CPP([NEXT_]m4_defn([gl_HEADER_NAME])),
-       [AS_VAR_GET([gl_next_header])])
+       [AS_VAR_GET(gl_next_header)])
      if test $gl_cv_have_include_next = yes || test $gl_cv_have_include_next = 
buggy; then
        # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include_next'
        gl_next_as_first_directive='<'gl_HEADER_NAME'>'
      else
        # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include'
-       gl_next_as_first_directive=AS_VAR_GET([gl_next_header])
+       gl_next_as_first_directive=AS_VAR_GET(gl_next_header)
      fi
      AC_SUBST(
        AS_TR_CPP([NEXT_AS_FIRST_DIRECTIVE_]m4_defn([gl_HEADER_NAME])),
diff --git a/gl/m4/largefile.m4 b/gl/m4/largefile.m4
new file mode 100644
index 0000000..d83fea1
--- /dev/null
+++ b/gl/m4/largefile.m4
@@ -0,0 +1,104 @@
+# Enable large files on systems where this is not the default.
+
+# Copyright 1992-1996, 1998-2011 Free Software Foundation, Inc.
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# The following implementation works around a problem in autoconf <= 2.68;
+# AC_SYS_LARGEFILE does not configure for large inodes on Mac OS X 10.5.
+m4_version_prereq([2.69], [] ,[
+
+# _AC_SYS_LARGEFILE_TEST_INCLUDES
+# -------------------------------
+m4_define([_AC_SYS_LARGEFILE_TEST_INCLUDES],
address@hidden:@include <sys/types.h>
+ /* Check that off_t can represent 2**63 - 1 correctly.
+    We can't simply define LARGE_OFF_T to be 9223372036854775807,
+    since some C++ compilers masquerading as C compilers
+    incorrectly reject 9223372036854775807.  */
address@hidden:@define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
+  int off_t_is_large[[(LARGE_OFF_T % 2147483629 == 721
+                       && LARGE_OFF_T % 2147483647 == 1)
+                      ? 1 : -1]];[]dnl
+])
+
+
+# _AC_SYS_LARGEFILE_MACRO_VALUE(C-MACRO, VALUE,
+#                              CACHE-VAR,
+#                              DESCRIPTION,
+#                              PROLOGUE, [FUNCTION-BODY])
+# --------------------------------------------------------
+m4_define([_AC_SYS_LARGEFILE_MACRO_VALUE],
+[AC_CACHE_CHECK([for $1 value needed for large files], [$3],
+[while :; do
+  m4_ifval([$6], [AC_LINK_IFELSE], [AC_COMPILE_IFELSE])(
+    [AC_LANG_PROGRAM([$5], [$6])],
+    [$3=no; break])
+  m4_ifval([$6], [AC_LINK_IFELSE], [AC_COMPILE_IFELSE])(
+    [AC_LANG_PROGRAM(address@hidden:@define $1 $2
+$5], [$6])],
+    [$3=$2; break])
+  $3=unknown
+  break
+done])
+case $$3 in #(
+  no | unknown) ;;
+  *) AC_DEFINE_UNQUOTED([$1], [$$3], [$4]);;
+esac
+rm -rf conftest*[]dnl
+])# _AC_SYS_LARGEFILE_MACRO_VALUE
+
+
+# AC_SYS_LARGEFILE
+# ----------------
+# By default, many hosts won't let programs access large files;
+# one must use special compiler options to get large-file access to work.
+# For more details about this brain damage please see:
+# http://www.unix-systems.org/version2/whatsnew/lfs20mar.html
+AC_DEFUN([AC_SYS_LARGEFILE],
+[AC_ARG_ENABLE(largefile,
+               [  --disable-largefile     omit support for large files])
+if test "$enable_largefile" != no; then
+
+  AC_CACHE_CHECK([for special C compiler options needed for large files],
+    ac_cv_sys_largefile_CC,
+    [ac_cv_sys_largefile_CC=no
+     if test "$GCC" != yes; then
+       ac_save_CC=$CC
+       while :; do
+         # IRIX 6.2 and later do not support large files by default,
+         # so use the C compiler's -n32 option if that helps.
+         AC_LANG_CONFTEST([AC_LANG_PROGRAM([_AC_SYS_LARGEFILE_TEST_INCLUDES])])
+         AC_COMPILE_IFELSE([], [break])
+         CC="$CC -n32"
+         AC_COMPILE_IFELSE([], [ac_cv_sys_largefile_CC=' -n32'; break])
+         break
+       done
+       CC=$ac_save_CC
+       rm -f conftest.$ac_ext
+    fi])
+  if test "$ac_cv_sys_largefile_CC" != no; then
+    CC=$CC$ac_cv_sys_largefile_CC
+  fi
+
+  _AC_SYS_LARGEFILE_MACRO_VALUE(_FILE_OFFSET_BITS, 64,
+    ac_cv_sys_file_offset_bits,
+    [Number of bits in a file offset, on hosts where this is settable.],
+    [_AC_SYS_LARGEFILE_TEST_INCLUDES])
+  if test $ac_cv_sys_file_offset_bits = unknown; then
+    _AC_SYS_LARGEFILE_MACRO_VALUE(_LARGE_FILES, 1,
+      ac_cv_sys_large_files,
+      [Define for large files, on AIX-style hosts.],
+      [_AC_SYS_LARGEFILE_TEST_INCLUDES])
+  fi
+
+  AH_VERBATIM([_DARWIN_USE_64_BIT_INODE],
+[/* Enable large inode numbers on Mac OS X.  */
+#ifndef _DARWIN_USE_64_BIT_INODE
+# define _DARWIN_USE_64_BIT_INODE 1
+#endif])
+fi
+])# AC_SYS_LARGEFILE
+
+])# m4_version_prereq 2.69
diff --git a/gl/m4/lseek.m4 b/gl/m4/lseek.m4
index b454884..73c4069 100644
--- a/gl/m4/lseek.m4
+++ b/gl/m4/lseek.m4
@@ -1,4 +1,4 @@
-# lseek.m4 serial 7
+# lseek.m4 serial 8
 dnl Copyright (C) 2007, 2009-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -8,12 +8,18 @@ AC_DEFUN([gl_FUNC_LSEEK],
 [
   AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
   AC_REQUIRE([AC_PROG_CC])
+  AC_CHECK_HEADERS_ONCE([unistd.h])
   AC_CACHE_CHECK([whether lseek detects pipes], [gl_cv_func_lseek_pipe],
     [if test $cross_compiling = no; then
        AC_LINK_IFELSE([AC_LANG_PROGRAM([[
 #include <sys/types.h> /* for off_t */
 #include <stdio.h> /* for SEEK_CUR */
-#include <unistd.h>]], [[
+#if HAVE_UNISTD_H
+# include <unistd.h>
+#else /* on Windows with MSVC */
+# include <io.h>
+#endif
+]], [[
   /* Exit with success only if stdin is seekable.  */
   return lseek (0, (off_t)0, SEEK_CUR) < 0;
 ]])],
diff --git a/gl/m4/msvc-inval.m4 b/gl/m4/msvc-inval.m4
new file mode 100644
index 0000000..fb797f0
--- /dev/null
+++ b/gl/m4/msvc-inval.m4
@@ -0,0 +1,19 @@
+# msvc-inval.m4 serial 1
+dnl Copyright (C) 2011 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+AC_DEFUN([gl_MSVC_INVAL],
+[
+  AC_CHECK_FUNCS_ONCE([_set_invalid_parameter_handler])
+  if test $ac_cv_func__set_invalid_parameter_handler = yes; then
+    HAVE_MSVC_INVALID_PARAMETER_HANDLER=1
+    AC_DEFINE([HAVE_MSVC_INVALID_PARAMETER_HANDLER], [1],
+      [Define to 1 on MSVC platforms that have the "invalid parameter handler"
+       concept.])
+  else
+    HAVE_MSVC_INVALID_PARAMETER_HANDLER=0
+  fi
+  AC_SUBST([HAVE_MSVC_INVALID_PARAMETER_HANDLER])
+])
diff --git a/gl/m4/read-file.m4 b/gl/m4/msvc-nothrow.m4
similarity index 53%
copy from gl/m4/read-file.m4
copy to gl/m4/msvc-nothrow.m4
index 93e0ac3..b2f6bb4 100644
--- a/gl/m4/read-file.m4
+++ b/gl/m4/msvc-nothrow.m4
@@ -1,8 +1,10 @@
-# read-file.m4 serial 3
-dnl Copyright (C) 2002-2006, 2009-2011 Free Software Foundation, Inc.
+# msvc-nothrow.m4 serial 1
+dnl Copyright (C) 2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
 
-# Prerequisites of lib/read-file.c.
-AC_DEFUN([gl_PREREQ_READ_FILE], [:])
+AC_DEFUN([gl_MSVC_NOTHROW],
+[
+  AC_REQUIRE([gl_MSVC_INVAL])
+])
diff --git a/gl/m4/nocrash.m4 b/gl/m4/nocrash.m4
new file mode 100644
index 0000000..60aad95
--- /dev/null
+++ b/gl/m4/nocrash.m4
@@ -0,0 +1,130 @@
+# nocrash.m4 serial 3
+dnl Copyright (C) 2005, 2009-2011 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+dnl Based on libsigsegv, from Bruno Haible and Paolo Bonzini.
+
+AC_PREREQ([2.13])
+
+dnl Expands to some code for use in .c programs that will cause the configure
+dnl test to exit instead of crashing. This is useful to avoid triggering
+dnl action from a background debugger and to avoid core dumps.
+dnl Usage:   ...
+dnl          ]GL_NOCRASH[
+dnl          ...
+dnl          int main() { nocrash_init(); ... }
+AC_DEFUN([GL_NOCRASH],[[
+#include <stdlib.h>
+#if defined __MACH__ && defined __APPLE__
+/* Avoid a crash on MacOS X.  */
+#include <mach/mach.h>
+#include <mach/mach_error.h>
+#include <mach/thread_status.h>
+#include <mach/exception.h>
+#include <mach/task.h>
+#include <pthread.h>
+/* The exception port on which our thread listens.  */
+static mach_port_t our_exception_port;
+/* The main function of the thread listening for exceptions of type
+   EXC_BAD_ACCESS.  */
+static void *
+mach_exception_thread (void *arg)
+{
+  /* Buffer for a message to be received.  */
+  struct {
+    mach_msg_header_t head;
+    mach_msg_body_t msgh_body;
+    char data[1024];
+  } msg;
+  mach_msg_return_t retval;
+  /* Wait for a message on the exception port.  */
+  retval = mach_msg (&msg.head, MACH_RCV_MSG | MACH_RCV_LARGE, 0, sizeof (msg),
+                     our_exception_port, MACH_MSG_TIMEOUT_NONE, 
MACH_PORT_NULL);
+  if (retval != MACH_MSG_SUCCESS)
+    abort ();
+  exit (1);
+}
+static void
+nocrash_init (void)
+{
+  mach_port_t self = mach_task_self ();
+  /* Allocate a port on which the thread shall listen for exceptions.  */
+  if (mach_port_allocate (self, MACH_PORT_RIGHT_RECEIVE, &our_exception_port)
+      == KERN_SUCCESS) {
+    /* See 
http://web.mit.edu/darwin/src/modules/xnu/osfmk/man/mach_port_insert_right.html.
  */
+    if (mach_port_insert_right (self, our_exception_port, our_exception_port,
+                                MACH_MSG_TYPE_MAKE_SEND)
+        == KERN_SUCCESS) {
+      /* The exceptions we want to catch.  Only EXC_BAD_ACCESS is interesting
+         for us.  */
+      exception_mask_t mask = EXC_MASK_BAD_ACCESS;
+      /* Create the thread listening on the exception port.  */
+      pthread_attr_t attr;
+      pthread_t thread;
+      if (pthread_attr_init (&attr) == 0
+          && pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED) == 0
+          && pthread_create (&thread, &attr, mach_exception_thread, NULL) == 
0) {
+        pthread_attr_destroy (&attr);
+        /* Replace the exception port info for these exceptions with our own.
+           Note that we replace the exception port for the entire task, not 
only
+           for a particular thread.  This has the effect that when our 
exception
+           port gets the message, the thread specific exception port has 
already
+           been asked, and we don't need to bother about it.
+           See 
http://web.mit.edu/darwin/src/modules/xnu/osfmk/man/task_set_exception_ports.html.
  */
+        task_set_exception_ports (self, mask, our_exception_port,
+                                  EXCEPTION_DEFAULT, MACHINE_THREAD_STATE);
+      }
+    }
+  }
+}
+#elif (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
+/* Avoid a crash on native Windows.  */
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+#include <winerror.h>
+static LONG WINAPI
+exception_filter (EXCEPTION_POINTERS *ExceptionInfo)
+{
+  switch (ExceptionInfo->ExceptionRecord->ExceptionCode)
+    {
+    case EXCEPTION_ACCESS_VIOLATION:
+    case EXCEPTION_IN_PAGE_ERROR:
+    case EXCEPTION_STACK_OVERFLOW:
+    case EXCEPTION_GUARD_PAGE:
+    case EXCEPTION_PRIV_INSTRUCTION:
+    case EXCEPTION_ILLEGAL_INSTRUCTION:
+    case EXCEPTION_DATATYPE_MISALIGNMENT:
+    case EXCEPTION_ARRAY_BOUNDS_EXCEEDED:
+    case EXCEPTION_NONCONTINUABLE_EXCEPTION:
+      exit (1);
+    }
+  return EXCEPTION_CONTINUE_SEARCH;
+}
+static void
+nocrash_init (void)
+{
+  SetUnhandledExceptionFilter ((LPTOP_LEVEL_EXCEPTION_FILTER) 
exception_filter);
+}
+#else
+/* Avoid a crash on POSIX systems.  */
+#include <signal.h>
+/* A POSIX signal handler.  */
+static void
+exception_handler (int sig)
+{
+  exit (1);
+}
+static void
+nocrash_init (void)
+{
+#ifdef SIGSEGV
+  signal (SIGSEGV, exception_handler);
+#endif
+#ifdef SIGBUS
+  signal (SIGBUS, exception_handler);
+#endif
+}
+#endif
+]])
diff --git a/gl/m4/ssize_t.m4 b/gl/m4/ssize_t.m4
new file mode 100644
index 0000000..d712752
--- /dev/null
+++ b/gl/m4/ssize_t.m4
@@ -0,0 +1,23 @@
+# ssize_t.m4 serial 5 (gettext-0.18.2)
+dnl Copyright (C) 2001-2003, 2006, 2010-2011 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+dnl From Bruno Haible.
+dnl Test whether ssize_t is defined.
+
+AC_DEFUN([gt_TYPE_SSIZE_T],
+[
+  AC_CACHE_CHECK([for ssize_t], [gt_cv_ssize_t],
+    [AC_COMPILE_IFELSE(
+       [AC_LANG_PROGRAM(
+          [[#include <sys/types.h>]],
+          [[int x = sizeof (ssize_t *) + sizeof (ssize_t);
+            return !x;]])],
+       [gt_cv_ssize_t=yes], [gt_cv_ssize_t=no])])
+  if test $gt_cv_ssize_t = no; then
+    AC_DEFINE([ssize_t], [int],
+              [Define as a signed type of the same size as size_t.])
+  fi
+])
diff --git a/gl/m4/stdint.m4 b/gl/m4/stdint.m4
index c75e957..092161c 100644
--- a/gl/m4/stdint.m4
+++ b/gl/m4/stdint.m4
@@ -466,6 +466,14 @@ AC_DEFUN([gl_STDINT_TYPE_PROPERTIES],
   fi
   gl_INTEGER_TYPE_SUFFIX([sig_atomic_t wchar_t wint_t],
     [gl_STDINT_INCLUDES])
+
+  dnl If wint_t is smaller than 'int', it cannot satisfy the ISO C 99
+  dnl requirement that wint_t is "unchanged by default argument promotions".
+  dnl In this case gnulib's <wchar.h> and <wctype.h> override wint_t.
+  dnl Set the variable BITSIZEOF_WINT_T accordingly.
+  if test $BITSIZEOF_WINT_T -lt 32; then
+    BITSIZEOF_WINT_T=32
+  fi
 ])
 
 dnl Autoconf >= 2.61 has AC_COMPUTE_INT built-in.
diff --git a/gl/m4/stdio_h.m4 b/gl/m4/stdio_h.m4
index a8326f3..39bf80e 100644
--- a/gl/m4/stdio_h.m4
+++ b/gl/m4/stdio_h.m4
@@ -1,4 +1,4 @@
-# stdio_h.m4 serial 37
+# stdio_h.m4 serial 40
 dnl Copyright (C) 2007-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -74,7 +74,7 @@ AC_DEFUN([gl_STDIO_H],
   dnl corresponding gnulib module is not in use, and which is not
   dnl guaranteed by C89.
   gl_WARN_ON_USE_PREPARE([[#include <stdio.h>
-    ]], [dprintf fpurge fseeko ftello getdelim getline popen renameat
+    ]], [dprintf fpurge fseeko ftello getdelim getline pclose popen renameat
     snprintf tmpfile vdprintf vsnprintf])
 ])
 
@@ -91,6 +91,7 @@ AC_DEFUN([gl_STDIO_H_DEFAULTS],
 [
   GNULIB_DPRINTF=0;              AC_SUBST([GNULIB_DPRINTF])
   GNULIB_FCLOSE=0;               AC_SUBST([GNULIB_FCLOSE])
+  GNULIB_FDOPEN=0;               AC_SUBST([GNULIB_FDOPEN])
   GNULIB_FFLUSH=0;               AC_SUBST([GNULIB_FFLUSH])
   GNULIB_FGETC=0;                AC_SUBST([GNULIB_FGETC])
   GNULIB_FGETS=0;                AC_SUBST([GNULIB_FGETS])
@@ -115,6 +116,7 @@ AC_DEFUN([gl_STDIO_H_DEFAULTS],
   GNULIB_GETS=0;                 AC_SUBST([GNULIB_GETS])
   GNULIB_OBSTACK_PRINTF=0;       AC_SUBST([GNULIB_OBSTACK_PRINTF])
   GNULIB_OBSTACK_PRINTF_POSIX=0; AC_SUBST([GNULIB_OBSTACK_PRINTF_POSIX])
+  GNULIB_PCLOSE=0;               AC_SUBST([GNULIB_PCLOSE])
   GNULIB_PERROR=0;               AC_SUBST([GNULIB_PERROR])
   GNULIB_POPEN=0;                AC_SUBST([GNULIB_POPEN])
   GNULIB_PRINTF=0;               AC_SUBST([GNULIB_PRINTF])
@@ -153,11 +155,14 @@ AC_DEFUN([gl_STDIO_H_DEFAULTS],
   HAVE_DPRINTF=1;                AC_SUBST([HAVE_DPRINTF])
   HAVE_FSEEKO=1;                 AC_SUBST([HAVE_FSEEKO])
   HAVE_FTELLO=1;                 AC_SUBST([HAVE_FTELLO])
+  HAVE_PCLOSE=1;                 AC_SUBST([HAVE_PCLOSE])
+  HAVE_POPEN=1;                  AC_SUBST([HAVE_POPEN])
   HAVE_RENAMEAT=1;               AC_SUBST([HAVE_RENAMEAT])
   HAVE_VASPRINTF=1;              AC_SUBST([HAVE_VASPRINTF])
   HAVE_VDPRINTF=1;               AC_SUBST([HAVE_VDPRINTF])
   REPLACE_DPRINTF=0;             AC_SUBST([REPLACE_DPRINTF])
   REPLACE_FCLOSE=0;              AC_SUBST([REPLACE_FCLOSE])
+  REPLACE_FDOPEN=0;              AC_SUBST([REPLACE_FDOPEN])
   REPLACE_FFLUSH=0;              AC_SUBST([REPLACE_FFLUSH])
   REPLACE_FOPEN=0;               AC_SUBST([REPLACE_FOPEN])
   REPLACE_FPRINTF=0;             AC_SUBST([REPLACE_FPRINTF])
diff --git a/gl/m4/stdlib_h.m4 b/gl/m4/stdlib_h.m4
index 25fdada..fbdba98 100644
--- a/gl/m4/stdlib_h.m4
+++ b/gl/m4/stdlib_h.m4
@@ -19,10 +19,10 @@ AC_DEFUN([gl_STDLIB_H],
 #if HAVE_RANDOM_H
 # include <random.h>
 #endif
-    ]], [_Exit atoll canonicalize_file_name getloadavg getsubopt grantpt 
mkdtemp
-    mkostemp mkostemps mkstemp mkstemps ptsname random_r initstat_r srandom_r
-    setstate_r realpath rpmatch setenv strtod strtoll strtoull unlockpt
-    unsetenv])
+    ]], [_Exit atoll canonicalize_file_name getloadavg getsubopt grantpt
+    initstate_r mkdtemp mkostemp mkostemps mkstemp mkstemps posix_openpt
+    ptsname random_r realpath rpmatch setenv setstate_r srandom_r strtod
+    strtoll strtoull unlockpt unsetenv])
 ])
 
 AC_DEFUN([gl_STDLIB_MODULE_INDICATOR],
@@ -50,6 +50,7 @@ AC_DEFUN([gl_STDLIB_H_DEFAULTS],
   GNULIB_MKOSTEMPS=0;     AC_SUBST([GNULIB_MKOSTEMPS])
   GNULIB_MKSTEMP=0;       AC_SUBST([GNULIB_MKSTEMP])
   GNULIB_MKSTEMPS=0;      AC_SUBST([GNULIB_MKSTEMPS])
+  GNULIB_POSIX_OPENPT=0;  AC_SUBST([GNULIB_POSIX_OPENPT])
   GNULIB_PTSNAME=0;       AC_SUBST([GNULIB_PTSNAME])
   GNULIB_PUTENV=0;        AC_SUBST([GNULIB_PUTENV])
   GNULIB_RANDOM_R=0;      AC_SUBST([GNULIB_RANDOM_R])
@@ -76,6 +77,7 @@ AC_DEFUN([gl_STDLIB_H_DEFAULTS],
   HAVE_MKOSTEMPS=1;          AC_SUBST([HAVE_MKOSTEMPS])
   HAVE_MKSTEMP=1;            AC_SUBST([HAVE_MKSTEMP])
   HAVE_MKSTEMPS=1;           AC_SUBST([HAVE_MKSTEMPS])
+  HAVE_POSIX_OPENPT=1;       AC_SUBST([HAVE_POSIX_OPENPT])
   HAVE_PTSNAME=1;            AC_SUBST([HAVE_PTSNAME])
   HAVE_RANDOM_H=1;           AC_SUBST([HAVE_RANDOM_H])
   HAVE_RANDOM_R=1;           AC_SUBST([HAVE_RANDOM_R])
diff --git a/gl/m4/sys_stat_h.m4 b/gl/m4/sys_stat_h.m4
index fc41912..83ebac6 100644
--- a/gl/m4/sys_stat_h.m4
+++ b/gl/m4/sys_stat_h.m4
@@ -1,4 +1,4 @@
-# sys_stat_h.m4 serial 24   -*- Autoconf -*-
+# sys_stat_h.m4 serial 26   -*- Autoconf -*-
 dnl Copyright (C) 2006-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -19,6 +19,9 @@ AC_DEFUN([gl_HEADER_SYS_STAT_H],
 
   gl_CHECK_NEXT_HEADERS([sys/stat.h])
 
+  dnl Ensure the type mode_t gets defined.
+  AC_REQUIRE([AC_TYPE_MODE_T])
+
   dnl Define types that are supposed to be defined in <sys/types.h> or
   dnl <sys/stat.h>.
   AC_CHECK_TYPE([nlink_t], [],
@@ -30,7 +33,7 @@ AC_DEFUN([gl_HEADER_SYS_STAT_H],
   dnl Check for declarations of anything we want to poison if the
   dnl corresponding gnulib module is not in use.
   gl_WARN_ON_USE_PREPARE([[#include <sys/stat.h>
-    ]], [fchmodat fstatat futimens lchmod lstat mkdirat mkfifo mkfifoat
+    ]], [fchmodat fstat fstatat futimens lchmod lstat mkdirat mkfifo mkfifoat
     mknod mknodat stat utimensat])
 ]) # gl_HEADER_SYS_STAT_H
 
@@ -47,6 +50,7 @@ AC_DEFUN([gl_SYS_STAT_H_DEFAULTS],
 [
   AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) dnl for REPLACE_FCHDIR
   GNULIB_FCHMODAT=0;    AC_SUBST([GNULIB_FCHMODAT])
+  GNULIB_FSTAT=0;       AC_SUBST([GNULIB_FSTAT])
   GNULIB_FSTATAT=0;     AC_SUBST([GNULIB_FSTATAT])
   GNULIB_FUTIMENS=0;    AC_SUBST([GNULIB_FUTIMENS])
   GNULIB_LCHMOD=0;      AC_SUBST([GNULIB_LCHMOD])
diff --git a/gl/m4/time_h.m4 b/gl/m4/time_h.m4
index 615da1c..3454b23 100644
--- a/gl/m4/time_h.m4
+++ b/gl/m4/time_h.m4
@@ -2,7 +2,7 @@
 
 # Copyright (C) 2000-2001, 2003-2007, 2009-2011 Free Software Foundation, Inc.
 
-# serial 4
+# serial 6
 
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
diff --git a/gl/m4/unistd_h.m4 b/gl/m4/unistd_h.m4
index fb6fe07..57c8094 100644
--- a/gl/m4/unistd_h.m4
+++ b/gl/m4/unistd_h.m4
@@ -1,4 +1,4 @@
-# unistd_h.m4 serial 56
+# unistd_h.m4 serial 61
 dnl Copyright (C) 2006-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -21,9 +21,15 @@ AC_DEFUN([gl_UNISTD_H],
   fi
   AC_SUBST([HAVE_UNISTD_H])
 
+  dnl Ensure the type pid_t gets defined.
+  AC_REQUIRE([AC_TYPE_PID_T])
+
   dnl Check for declarations of anything we want to poison if the
   dnl corresponding gnulib module is not in use.
-  gl_WARN_ON_USE_PREPARE([[#include <unistd.h>
+  gl_WARN_ON_USE_PREPARE([[
+#if HAVE_UNISTD_H
+# include <unistd.h>
+#endif
 /* Some systems declare various items in the wrong headers.  */
 #if !(defined __GLIBC__ && !defined __UCLIBC__)
 # include <fcntl.h>
@@ -33,8 +39,8 @@ AC_DEFUN([gl_UNISTD_H],
 #  include <io.h>
 # endif
 #endif
-    ]], [chown dup2 dup3 environ euidaccess faccessat fchdir fchownat
-    fsync ftruncate getcwd getdomainname getdtablesize getgroups
+    ]], [chdir chown dup dup2 dup3 environ euidaccess faccessat fchdir fchownat
+    fdatasync fsync ftruncate getcwd getdomainname getdtablesize getgroups
     gethostname getlogin getlogin_r getpagesize getusershell setusershell
     endusershell group_member lchown link linkat lseek pipe pipe2 pread pwrite
     readlink readlinkat rmdir sleep symlink symlinkat ttyname_r unlink unlinkat
@@ -52,8 +58,10 @@ AC_DEFUN([gl_UNISTD_MODULE_INDICATOR],
 
 AC_DEFUN([gl_UNISTD_H_DEFAULTS],
 [
+  GNULIB_CHDIR=0;                AC_SUBST([GNULIB_CHDIR])
   GNULIB_CHOWN=0;                AC_SUBST([GNULIB_CHOWN])
   GNULIB_CLOSE=0;                AC_SUBST([GNULIB_CLOSE])
+  GNULIB_DUP=0;                  AC_SUBST([GNULIB_DUP])
   GNULIB_DUP2=0;                 AC_SUBST([GNULIB_DUP2])
   GNULIB_DUP3=0;                 AC_SUBST([GNULIB_DUP3])
   GNULIB_ENVIRON=0;              AC_SUBST([GNULIB_ENVIRON])
@@ -61,6 +69,7 @@ AC_DEFUN([gl_UNISTD_H_DEFAULTS],
   GNULIB_FACCESSAT=0;            AC_SUBST([GNULIB_FACCESSAT])
   GNULIB_FCHDIR=0;               AC_SUBST([GNULIB_FCHDIR])
   GNULIB_FCHOWNAT=0;             AC_SUBST([GNULIB_FCHOWNAT])
+  GNULIB_FDATASYNC=0;            AC_SUBST([GNULIB_FDATASYNC])
   GNULIB_FSYNC=0;                AC_SUBST([GNULIB_FSYNC])
   GNULIB_FTRUNCATE=0;            AC_SUBST([GNULIB_FTRUNCATE])
   GNULIB_GETCWD=0;               AC_SUBST([GNULIB_GETCWD])
@@ -104,6 +113,7 @@ AC_DEFUN([gl_UNISTD_H_DEFAULTS],
   HAVE_FACCESSAT=1;       AC_SUBST([HAVE_FACCESSAT])
   HAVE_FCHDIR=1;          AC_SUBST([HAVE_FCHDIR])
   HAVE_FCHOWNAT=1;        AC_SUBST([HAVE_FCHOWNAT])
+  HAVE_FDATASYNC=1;       AC_SUBST([HAVE_FDATASYNC])
   HAVE_FSYNC=1;           AC_SUBST([HAVE_FSYNC])
   HAVE_FTRUNCATE=1;       AC_SUBST([HAVE_FTRUNCATE])
   HAVE_GETDTABLESIZE=1;   AC_SUBST([HAVE_GETDTABLESIZE])
@@ -128,6 +138,7 @@ AC_DEFUN([gl_UNISTD_H_DEFAULTS],
   HAVE_USLEEP=1;          AC_SUBST([HAVE_USLEEP])
   HAVE_DECL_ENVIRON=1;    AC_SUBST([HAVE_DECL_ENVIRON])
   HAVE_DECL_FCHDIR=1;     AC_SUBST([HAVE_DECL_FCHDIR])
+  HAVE_DECL_FDATASYNC=1;  AC_SUBST([HAVE_DECL_FDATASYNC])
   HAVE_DECL_GETDOMAINNAME=1; AC_SUBST([HAVE_DECL_GETDOMAINNAME])
   HAVE_DECL_GETLOGIN_R=1; AC_SUBST([HAVE_DECL_GETLOGIN_R])
   HAVE_DECL_GETPAGESIZE=1; AC_SUBST([HAVE_DECL_GETPAGESIZE])
diff --git a/gl/m4/warn-on-use.m4 b/gl/m4/warn-on-use.m4
index e0d0f27..f09deef 100644
--- a/gl/m4/warn-on-use.m4
+++ b/gl/m4/warn-on-use.m4
@@ -1,4 +1,4 @@
-# warn-on-use.m4 serial 2
+# warn-on-use.m4 serial 4
 dnl Copyright (C) 2010-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -27,6 +27,8 @@ AC_DEFUN([gl_WARN_ON_USE_PREPARE],
     [AH_TEMPLATE([HAVE_RAW_DECL_]AS_TR_CPP(m4_defn([gl_decl])),
       [Define to 1 if ]m4_defn([gl_decl])[ is declared even after
        undefining macros.])])dnl
+dnl FIXME: gl_Symbol must be used unquoted until we can assume
+dnl autoconf 2.64 or newer.
   for gl_func in m4_flatten([$2]); do
     AS_VAR_PUSHDEF([gl_Symbol], [gl_cv_have_raw_decl_$gl_func])dnl
     AC_CACHE_CHECK([whether $gl_func is declared without a macro],
@@ -35,8 +37,8 @@ AC_DEFUN([gl_WARN_ON_USE_PREPARE],
 address@hidden:@undef $gl_func
   (void) $gl_func;])],
         [AS_VAR_SET(gl_Symbol, [yes])], [AS_VAR_SET(gl_Symbol, [no])])])
-     AS_VAR_IF(gl_Symbol, [yes],
-       [AC_DEFINE_UNQUOTED(AS_TR_CPP([HAVE_RAW_DECL_$gl_func]), [1])
+    AS_VAR_IF(gl_Symbol, [yes],
+      [AC_DEFINE_UNQUOTED(AS_TR_CPP([HAVE_RAW_DECL_$gl_func]), [1])
        dnl shortcut - if the raw declaration exists, then set a cache
        dnl variable to allow skipping any later AC_CHECK_DECL efforts
        eval ac_cv_have_decl_$gl_func=yes])
diff --git a/gl/m4/warnings.m4 b/gl/m4/warnings.m4
index b2d1a29..a4a750a 100644
--- a/gl/m4/warnings.m4
+++ b/gl/m4/warnings.m4
@@ -1,4 +1,4 @@
-# warnings.m4 serial 3
+# warnings.m4 serial 5
 dnl Copyright (C) 2008-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -19,18 +19,19 @@ m4_ifdef([AS_VAR_APPEND],
 # Adds parameter to WARN_CFLAGS if the compiler supports it.  For example,
 # gl_WARN_ADD([-Wparentheses]).
 AC_DEFUN([gl_WARN_ADD],
+dnl FIXME: gl_Warn must be used unquoted until we can assume
+dnl autoconf 2.64 or newer.
 [AS_VAR_PUSHDEF([gl_Warn], [gl_cv_warn_$1])dnl
-AC_CACHE_CHECK([whether compiler handles $1], [gl_Warn], [
+AC_CACHE_CHECK([whether compiler handles $1], m4_defn([gl_Warn]), [
   gl_save_CPPFLAGS="$CPPFLAGS"
   CPPFLAGS="${CPPFLAGS} $1"
   AC_PREPROC_IFELSE([AC_LANG_PROGRAM([])],
-                    [AS_VAR_SET([gl_Warn], [yes])],
-                    [AS_VAR_SET([gl_Warn], [no])])
+                    [AS_VAR_SET(gl_Warn, [yes])],
+                    [AS_VAR_SET(gl_Warn, [no])])
   CPPFLAGS="$gl_save_CPPFLAGS"
 ])
-AS_VAR_PUSHDEF([gl_Flags], m4_if([$2], [], [[WARN_CFLAGS]], [[$2]]))dnl
-AS_VAR_IF([gl_Warn], [yes], [gl_AS_VAR_APPEND([gl_Flags], [" $1"])])
-AS_VAR_POPDEF([gl_Flags])dnl
+AS_VAR_IF(gl_Warn, [yes],
+  [gl_AS_VAR_APPEND(m4_if([$2], [], [[WARN_CFLAGS]], [[$2]]), [" $1"])])
 AS_VAR_POPDEF([gl_Warn])dnl
 m4_ifval([$2], [AS_LITERAL_IF([$2], [AC_SUBST([$2])], [])])dnl
 ])
diff --git a/gl/msvc-inval.c b/gl/msvc-inval.c
new file mode 100644
index 0000000..d10099e
--- /dev/null
+++ b/gl/msvc-inval.c
@@ -0,0 +1,130 @@
+/* Invalid parameter handler for MSVC runtime libraries.
+   Copyright (C) 2011 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
+   the Free Software Foundation; either version 3, or (at your option)
+   any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License along
+   with this program; if not, write to the Free Software Foundation,
+   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+
+#include <config.h>
+
+/* Specification.  */
+#include "msvc-inval.h"
+
+#if HAVE_MSVC_INVALID_PARAMETER_HANDLER \
+    && !(MSVC_INVALID_PARAMETER_HANDLING == SANE_LIBRARY_HANDLING)
+
+/* Get _invalid_parameter_handler type and _set_invalid_parameter_handler
+   declaration.  */
+# include <stdlib.h>
+
+# if MSVC_INVALID_PARAMETER_HANDLING == DEFAULT_HANDLING
+
+static void cdecl
+gl_msvc_invalid_parameter_handler (const wchar_t *expression,
+                                   const wchar_t *function,
+                                   const wchar_t *file,
+                                   unsigned int line,
+                                   uintptr_t dummy)
+{
+}
+
+# else
+
+/* Get declarations of the Win32 API functions.  */
+#  define WIN32_LEAN_AND_MEAN
+#  include <windows.h>
+
+#  if defined _MSC_VER
+
+static void cdecl
+gl_msvc_invalid_parameter_handler (const wchar_t *expression,
+                                   const wchar_t *function,
+                                   const wchar_t *file,
+                                   unsigned int line,
+                                   uintptr_t dummy)
+{
+  RaiseException (STATUS_GNULIB_INVALID_PARAMETER, 0, 0, NULL);
+}
+
+#  else
+
+/* An index to thread-local storage.  */
+static DWORD tls_index;
+static int tls_initialized /* = 0 */;
+
+/* Used as a fallback only.  */
+static struct gl_msvc_inval_per_thread not_per_thread;
+
+struct gl_msvc_inval_per_thread *
+gl_msvc_inval_current (void)
+{
+  if (!tls_initialized)
+    {
+      tls_index = TlsAlloc ();
+      tls_initialized = 1;
+    }
+  if (tls_index == TLS_OUT_OF_INDEXES)
+    /* TlsAlloc had failed.  */
+    return &not_per_thread;
+  else
+    {
+      struct gl_msvc_inval_per_thread *pointer =
+        (struct gl_msvc_inval_per_thread *) TlsGetValue (tls_index);
+      if (pointer == NULL)
+        {
+          /* First call.  Allocate a new 'struct gl_msvc_inval_per_thread'.  */
+          pointer =
+            (struct gl_msvc_inval_per_thread *)
+            malloc (sizeof (struct gl_msvc_inval_per_thread));
+          if (pointer == NULL)
+            /* Could not allocate memory.  Use the global storage.  */
+            pointer = &not_per_thread;
+          TlsSetValue (tls_index, pointer);
+        }
+      return pointer;
+    }
+}
+
+static void cdecl
+gl_msvc_invalid_parameter_handler (const wchar_t *expression,
+                                   const wchar_t *function,
+                                   const wchar_t *file,
+                                   unsigned int line,
+                                   uintptr_t dummy)
+{
+  struct gl_msvc_inval_per_thread *current = gl_msvc_inval_current ();
+  if (current->restart_valid)
+    longjmp (current->restart, 1);
+  else
+    /* An invalid parameter notification from outside the gnulib code.
+       Give the caller a chance to intervene.  */
+    RaiseException (STATUS_GNULIB_INVALID_PARAMETER, 0, 0, NULL);
+}
+
+#  endif
+
+# endif
+
+static int gl_msvc_inval_initialized /* = 0 */;
+
+void
+gl_msvc_inval_ensure_handler (void)
+{
+  if (gl_msvc_inval_initialized == 0)
+    {
+      _set_invalid_parameter_handler (gl_msvc_invalid_parameter_handler);
+      gl_msvc_inval_initialized = 1;
+    }
+}
+
+#endif
diff --git a/gl/msvc-inval.h b/gl/msvc-inval.h
new file mode 100644
index 0000000..393272e
--- /dev/null
+++ b/gl/msvc-inval.h
@@ -0,0 +1,223 @@
+/* Invalid parameter handler for MSVC runtime libraries.
+   Copyright (C) 2011 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
+   the Free Software Foundation; either version 3, or (at your option)
+   any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License along
+   with this program; if not, write to the Free Software Foundation,
+   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+
+#ifndef _MSVC_INVAL_H
+#define _MSVC_INVAL_H
+
+/* With MSVC runtime libraries with the "invalid parameter handler" concept,
+   functions like fprintf(), dup2(), or close() crash when the caller passes
+   an invalid argument.  But POSIX wants error codes (such as EINVAL or EBADF)
+   instead.
+   This file defines macros that turn such an invalid parameter notification
+   into a non-local exit.  An error code can then be produced at the target
+   of this exit.  You can thus write code like
+
+     TRY_MSVC_INVAL
+       {
+         <Code that can trigger an invalid parameter notification
+          but does not do 'return', 'break', 'continue', nor 'goto'.>
+       }
+     CATCH_MSVC_INVAL
+       {
+         <Code that handles an invalid parameter notification
+          but does not do 'return', 'break', 'continue', nor 'goto'.>
+       }
+     DONE_MSVC_INVAL;
+
+   This entire block expands to a single statement.
+
+   The handling of invalid parameters can be done in three ways:
+
+     * The default way, which is reasonable for programs (not libraries):
+       AC_DEFINE([MSVC_INVALID_PARAMETER_HANDLING], [DEFAULT_HANDLING])
+
+     * The way for libraries that make "hairy" calls (like close(-1), or
+       fclose(fp) where fileno(fp) is closed, or simply getdtablesize()):
+       AC_DEFINE([MSVC_INVALID_PARAMETER_HANDLING], [HAIRY_LIBRARY_HANDLING])
+
+     * The way for libraries that make no "hairy" calls:
+       AC_DEFINE([MSVC_INVALID_PARAMETER_HANDLING], [SANE_LIBRARY_HANDLING])
+ */
+
+#define DEFAULT_HANDLING       0
+#define HAIRY_LIBRARY_HANDLING 1
+#define SANE_LIBRARY_HANDLING  2
+
+#if HAVE_MSVC_INVALID_PARAMETER_HANDLER \
+    && !(MSVC_INVALID_PARAMETER_HANDLING == SANE_LIBRARY_HANDLING)
+/* A native Windows platform with the "invalid parameter handler" concept,
+   and either DEFAULT_HANDLING or HAIRY_LIBRARY_HANDLING.  */
+
+# if MSVC_INVALID_PARAMETER_HANDLING == DEFAULT_HANDLING
+/* Default handling.  */
+
+#  ifdef __cplusplus
+extern "C" {
+#  endif
+
+/* Ensure that the invalid parameter handler in installed that just returns.
+   Because we assume no other part of the program installs a different
+   invalid parameter handler, this solution is multithread-safe.  */
+extern void gl_msvc_inval_ensure_handler (void);
+
+#  ifdef __cplusplus
+}
+#  endif
+
+#  define TRY_MSVC_INVAL \
+     do                                                                        
\
+       {                                                                       
\
+         gl_msvc_inval_ensure_handler ();                                      
\
+         if (1)
+#  define CATCH_MSVC_INVAL \
+         else
+#  define DONE_MSVC_INVAL \
+       }                                                                       
\
+     while (0)
+
+# else
+/* Handling for hairy libraries.  */
+
+#  include <excpt.h>
+
+/* Gnulib can define its own status codes, as described in the page
+   "Raising Software Exceptions" on microsoft.com
+   <http://msdn.microsoft.com/en-us/library/het71c37.aspx>.
+   Our status codes are composed of
+     - 0xE0000000, mandatory for all user-defined status codes,
+     - 0x474E550, a API identifier ("GNU"),
+     - 0, 1, 2, ..., used to distinguish different status codes from the
+       same API.  */
+#  define STATUS_GNULIB_INVALID_PARAMETER (0xE0000000 + 0x474E550 + 0)
+
+#  if defined _MSC_VER
+/* A compiler that supports __try/__except, as described in the page
+   "try-except statement" on microsoft.com
+   <http://msdn.microsoft.com/en-us/library/s58ftw19.aspx>.
+   With __try/__except, we can use the multithread-safe exception handling.  */
+
+#   ifdef __cplusplus
+extern "C" {
+#   endif
+
+/* Ensure that the invalid parameter handler in installed that raises a
+   software exception with code STATUS_GNULIB_INVALID_PARAMETER.
+   Because we assume no other part of the program installs a different
+   invalid parameter handler, this solution is multithread-safe.  */
+extern void gl_msvc_inval_ensure_handler (void);
+
+#   ifdef __cplusplus
+}
+#   endif
+
+#   define TRY_MSVC_INVAL \
+      do                                                                       
\
+        {                                                                      
\
+          gl_msvc_inval_ensure_handler ();                                     
\
+          __try
+#   define CATCH_MSVC_INVAL \
+          __except (GetExceptionCode () == STATUS_GNULIB_INVALID_PARAMETER     
\
+                    ? EXCEPTION_EXECUTE_HANDLER                                
\
+                    : EXCEPTION_CONTINUE_SEARCH)
+#   define DONE_MSVC_INVAL \
+        }                                                                      
\
+      while (0)
+
+#  else
+/* Any compiler.
+   We can only use setjmp/longjmp.  */
+
+#   include <setjmp.h>
+
+#   ifdef __cplusplus
+extern "C" {
+#   endif
+
+struct gl_msvc_inval_per_thread
+{
+  /* The restart that will resume execution at the code between
+     CATCH_MSVC_INVAL and DONE_MSVC_INVAL.  It is enabled only between
+     TRY_MSVC_INVAL and CATCH_MSVC_INVAL.  */
+  jmp_buf restart;
+
+  /* Tells whether the contents of restart is valid.  */
+  int restart_valid;
+};
+
+/* Ensure that the invalid parameter handler in installed that passes
+   control to the gl_msvc_inval_restart if it is valid, or raises a
+   software exception with code STATUS_GNULIB_INVALID_PARAMETER otherwise.
+   Because we assume no other part of the program installs a different
+   invalid parameter handler, this solution is multithread-safe.  */
+extern void gl_msvc_inval_ensure_handler (void);
+
+/* Return a pointer to the per-thread data for the current thread.  */
+extern struct gl_msvc_inval_per_thread *gl_msvc_inval_current (void);
+
+#   ifdef __cplusplus
+}
+#   endif
+
+#   define TRY_MSVC_INVAL \
+      do                                                                       
\
+        {                                                                      
\
+          struct gl_msvc_inval_per_thread *msvc_inval_current;                 
\
+          gl_msvc_inval_ensure_handler ();                                     
\
+          msvc_inval_current = gl_msvc_inval_current ();                       
\
+          /* First, initialize gl_msvc_inval_restart.  */                      
\
+          if (setjmp (msvc_inval_current->restart) == 0)                       
\
+            {                                                                  
\
+              /* Then, mark it as valid.  */                                   
\
+              msvc_inval_current->restart_valid = 1;
+#   define CATCH_MSVC_INVAL \
+              /* Execution completed.                                          
\
+                 Mark gl_msvc_inval_restart as invalid.  */                    
\
+              msvc_inval_current->restart_valid = 0;                           
\
+            }                                                                  
\
+          else                                                                 
\
+            {                                                                  
\
+              /* Execution triggered an invalid parameter notification.        
\
+                 Mark gl_msvc_inval_restart as invalid.  */                    
\
+              msvc_inval_current->restart_valid = 0;
+#   define DONE_MSVC_INVAL \
+            }                                                                  
\
+        }                                                                      
\
+      while (0)
+
+#  endif
+
+# endif
+
+#else
+/* A platform that does not need to the invalid parameter handler,
+   or when SANE_LIBRARY_HANDLING is desired.  */
+
+/* The braces here avoid GCC warnings like
+   "warning: suggest explicit braces to avoid ambiguous `else'".  */
+# define TRY_MSVC_INVAL \
+    do                                                                         
\
+      {                                                                        
\
+        if (1)
+# define CATCH_MSVC_INVAL \
+        else
+# define DONE_MSVC_INVAL \
+      }                                                                        
\
+    while (0)
+
+#endif
+
+#endif /* _MSVC_INVAL_H */
diff --git a/gl/msvc-nothrow.c b/gl/msvc-nothrow.c
new file mode 100644
index 0000000..8965140
--- /dev/null
+++ b/gl/msvc-nothrow.c
@@ -0,0 +1,50 @@
+/* Wrappers that don't throw invalid parameter notifications
+   with MSVC runtime libraries.
+   Copyright (C) 2011 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
+   the Free Software Foundation; either version 3, or (at your option)
+   any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License along
+   with this program; if not, write to the Free Software Foundation,
+   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+
+#include <config.h>
+
+/* Specification.  */
+#include "msvc-nothrow.h"
+
+/* Get declarations of the Win32 API functions.  */
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+
+#include "msvc-inval.h"
+
+#undef _get_osfhandle
+
+#if HAVE_MSVC_INVALID_PARAMETER_HANDLER
+intptr_t
+_gl_nothrow_get_osfhandle (int fd)
+{
+  intptr_t result;
+
+  TRY_MSVC_INVAL
+    {
+      result = _get_osfhandle (fd);
+    }
+  CATCH_MSVC_INVAL
+    {
+      result = (intptr_t) INVALID_HANDLE_VALUE;
+    }
+  DONE_MSVC_INVAL;
+
+  return result;
+}
+#endif
diff --git a/gl/msvc-nothrow.h b/gl/msvc-nothrow.h
new file mode 100644
index 0000000..462fb67
--- /dev/null
+++ b/gl/msvc-nothrow.h
@@ -0,0 +1,44 @@
+/* Wrappers that don't throw invalid parameter notifications
+   with MSVC runtime libraries.
+   Copyright (C) 2011 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
+   the Free Software Foundation; either version 3, or (at your option)
+   any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License along
+   with this program; if not, write to the Free Software Foundation,
+   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+
+#ifndef _MSVC_NOTHROW_H
+#define _MSVC_NOTHROW_H
+
+/* With MSVC runtime libraries with the "invalid parameter handler" concept,
+   functions like fprintf(), dup2(), or close() crash when the caller passes
+   an invalid argument.  But POSIX wants error codes (such as EINVAL or EBADF)
+   instead.
+   This file defines wrappers that turn such an invalid parameter notification
+   into an error code.  */
+
+#if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
+
+/* Get original declaration of _get_osfhandle.  */
+# include <io.h>
+
+# if HAVE_MSVC_INVALID_PARAMETER_HANDLER
+
+/* Override _get_osfhandle.  */
+extern intptr_t _gl_nothrow_get_osfhandle (int fd);
+#  define _get_osfhandle _gl_nothrow_get_osfhandle
+
+# endif
+
+#endif
+
+#endif /* _MSVC_NOTHROW_H */
diff --git a/gl/stdio.in.h b/gl/stdio.in.h
index 473c84c..ce00af5 100644
--- a/gl/stdio.in.h
+++ b/gl/stdio.in.h
@@ -170,6 +170,26 @@ _GL_WARN_ON_USE (fclose, "fclose is not always POSIX 
compliant - "
                  "use gnulib module fclose for portable POSIX compliance");
 #endif
 
+#if @GNULIB_FDOPEN@
+# if @REPLACE_FDOPEN@
+#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+#   undef fdopen
+#   define fdopen rpl_fdopen
+#  endif
+_GL_FUNCDECL_RPL (fdopen, FILE *, (int fd, const char *mode)
+                                  _GL_ARG_NONNULL ((2)));
+_GL_CXXALIAS_RPL (fdopen, FILE *, (int fd, const char *mode));
+# else
+_GL_CXXALIAS_SYS (fdopen, FILE *, (int fd, const char *mode));
+# endif
+_GL_CXXALIASWARN (fdopen);
+#elif defined GNULIB_POSIXCHECK
+# undef fdopen
+/* Assume fdopen is always declared.  */
+_GL_WARN_ON_USE (fdopen, "fdopen on Win32 platforms is not POSIX compatible - "
+                 "use gnulib module fdopen for portability");
+#endif
+
 #if @GNULIB_FFLUSH@
 /* Flush all pending data on STREAM according to POSIX rules.  Both
    output and seekable input streams are supported.
@@ -750,6 +770,20 @@ _GL_CXXALIAS_SYS (obstack_vprintf, int,
 _GL_CXXALIASWARN (obstack_vprintf);
 #endif
 
+#if @GNULIB_PCLOSE@
+# if address@hidden@
+_GL_FUNCDECL_SYS (pclose, int, (FILE *stream) _GL_ARG_NONNULL ((1)));
+# endif
+_GL_CXXALIAS_SYS (pclose, int, (FILE *stream));
+_GL_CXXALIASWARN (pclose);
+#elif defined GNULIB_POSIXCHECK
+# undef pclose
+# if HAVE_RAW_DECL_PCLOSE
+_GL_WARN_ON_USE (pclose, "popen is unportable - "
+                 "use gnulib module pclose for more portability");
+# endif
+#endif
+
 #if @GNULIB_PERROR@
 /* Print a message to standard error, describing the value of ERRNO,
    (if STRING is not NULL and not empty) prefixed with STRING and ": ",
@@ -781,6 +815,10 @@ _GL_FUNCDECL_RPL (popen, FILE *, (const char *cmd, const 
char *mode)
                                  _GL_ARG_NONNULL ((1, 2)));
 _GL_CXXALIAS_RPL (popen, FILE *, (const char *cmd, const char *mode));
 # else
+#  if address@hidden@
+_GL_FUNCDECL_SYS (popen, FILE *, (const char *cmd, const char *mode)
+                                 _GL_ARG_NONNULL ((1, 2)));
+#  endif
 _GL_CXXALIAS_SYS (popen, FILE *, (const char *cmd, const char *mode));
 # endif
 _GL_CXXALIASWARN (popen);
diff --git a/gl/stdlib.in.h b/gl/stdlib.in.h
index 047fac1..19d0d67 100644
--- a/gl/stdlib.in.h
+++ b/gl/stdlib.in.h
@@ -423,6 +423,22 @@ _GL_WARN_ON_USE (mkstemps, "mkstemps is unportable - "
 # endif
 #endif
 
+#if @GNULIB_POSIX_OPENPT@
+/* Return an FD open to the master side of a pseudo-terminal.  Flags should
+   include O_RDWR, and may also include O_NOCTTY.  */
+# if address@hidden@
+_GL_FUNCDECL_SYS (posix_openpt, int, (int flags));
+# endif
+_GL_CXXALIAS_SYS (posix_openpt, int, (int flags));
+_GL_CXXALIASWARN (posix_openpt);
+#elif defined GNULIB_POSIXCHECK
+# undef posix_openpt
+# if HAVE_RAW_DECL_POSIX_OPENPT
+_GL_WARN_ON_USE (posix_openpt, "posix_openpt is not portable - "
+                 "use gnulib module posix_openpt for portability");
+# endif
+#endif
+
 #if @GNULIB_PTSNAME@
 /* Return the pathname of the pseudo-terminal slave associated with
    the master FD is open on, or NULL on errors.  */
diff --git a/gl/sys_stat.in.h b/gl/sys_stat.in.h
index 5acee70..77a7177 100644
--- a/gl/sys_stat.in.h
+++ b/gl/sys_stat.in.h
@@ -55,10 +55,17 @@
 /* The definition of _GL_WARN_ON_USE is copied here.  */
 
 /* Before doing "#define mkdir rpl_mkdir" below, we need to include all
-   headers that may declare mkdir().  */
+   headers that may declare mkdir().  Native Windows platforms declare mkdir
+   in <io.h> and/or <direct.h>, not in <unistd.h>.  */
 #if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
 # include <io.h>     /* mingw32, mingw64 */
-# include <direct.h> /* mingw64 */
+# include <direct.h> /* mingw64, MSVC 9 */
+#endif
+
+#ifndef S_IFIFO
+# ifdef _S_IFIFO
+#  define S_IFIFO _S_IFIFO
+# endif
 #endif
 
 #ifndef S_IFMT
@@ -312,16 +319,25 @@ _GL_WARN_ON_USE (fchmodat, "fchmodat is not portable - "
 #endif
 
 
-#if @REPLACE_FSTAT@
-# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#  define fstat rpl_fstat
-# endif
+#if @GNULIB_FSTAT@
+# if @REPLACE_FSTAT@
+#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+#   undef fstat
+#   define fstat rpl_fstat
+#  endif
 _GL_FUNCDECL_RPL (fstat, int, (int fd, struct stat *buf) _GL_ARG_NONNULL 
((2)));
 _GL_CXXALIAS_RPL (fstat, int, (int fd, struct stat *buf));
-#else
+# else
 _GL_CXXALIAS_SYS (fstat, int, (int fd, struct stat *buf));
-#endif
+# endif
 _GL_CXXALIASWARN (fstat);
+#elif defined GNULIB_POSIXCHECK
+# undef fstat
+# if HAVE_RAW_DECL_FSTAT
+_GL_WARN_ON_USE (fstat, "fstat has portability problems - "
+                 "use gnulib module fstat for portability");
+# endif
+#endif
 
 
 #if @GNULIB_FSTATAT@
diff --git a/gl/unistd.in.h b/gl/unistd.in.h
index 769ecf0..77e5675 100644
--- a/gl/unistd.in.h
+++ b/gl/unistd.in.h
@@ -75,17 +75,21 @@
 #endif
 
 /* mingw fails to declare _exit in <unistd.h>.  */
-/* mingw, BeOS, Haiku declare environ in <stdlib.h>, not in <unistd.h>.  */
+/* mingw, MSVC, BeOS, Haiku declare environ in <stdlib.h>, not in
+   <unistd.h>.  */
 /* Solaris declares getcwd not only in <unistd.h> but also in <stdlib.h>.  */
 /* But avoid namespace pollution on glibc systems.  */
 #ifndef __GLIBC__
 # include <stdlib.h>
 #endif
 
-/* mingw declares getcwd in <io.h>, not in <unistd.h>.  */
-#if ((@GNULIB_GETCWD@ || defined GNULIB_POSIXCHECK) \
+/* Native Windows platforms declare chdir, getcwd, rmdir in
+   <io.h> and/or <direct.h>, not in <unistd.h>.  */
+#if ((@GNULIB_CHDIR@ || @GNULIB_GETCWD@ || @GNULIB_RMDIR@ \
+      || defined GNULIB_POSIXCHECK) \
      && ((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__))
-# include <io.h>
+# include <io.h>     /* mingw32, mingw64 */
+# include <direct.h> /* mingw64, MSVC 9 */
 #endif
 
 /* AIX and OSF/1 5.1 declare getdomainname in <netdb.h>, not in <unistd.h>.
@@ -97,6 +101,12 @@
 # include <netdb.h>
 #endif
 
+/* MSVC defines off_t in <sys/types.h>.  */
+#if address@hidden@
+/* Get off_t.  */
+# include <sys/types.h>
+#endif
+
 #if (@GNULIB_READ@ || @GNULIB_WRITE@ \
      || @GNULIB_READLINK@ || @GNULIB_READLINKAT@ \
      || @GNULIB_PREAD@ || @GNULIB_PWRITE@ || defined GNULIB_POSIXCHECK)
@@ -223,12 +233,24 @@ _GL_WARN_ON_USE (access, "the access function is a 
security risk - "
 #endif
 
 
+#if @GNULIB_CHDIR@
+_GL_CXXALIAS_SYS (chdir, int, (const char *file) _GL_ARG_NONNULL ((1)));
+_GL_CXXALIASWARN (chdir);
+#elif defined GNULIB_POSIXCHECK
+# undef chdir
+# if HAVE_RAW_DECL_CHDIR
+_GL_WARN_ON_USE (chown, "chdir is not always in <unistd.h> - "
+                 "use gnulib module chdir for portability");
+# endif
+#endif
+
+
 #if @GNULIB_CHOWN@
 /* Change the owner of FILE to UID (if UID is not -1) and the group of FILE
    to GID (if GID is not -1).  Follow symbolic links.
    Return 0 if successful, otherwise -1 and errno set.
-   See the POSIX:2001 specification
-   <http://www.opengroup.org/susv3xsh/chown.html>.  */
+   See the POSIX:2008 specification
+   <http://pubs.opengroup.org/onlinepubs/9699919799/functions/chown.html.  */
 # if @REPLACE_CHOWN@
 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 #   undef chown
@@ -279,24 +301,32 @@ _GL_WARN_ON_USE (close, "close does not portably work on 
sockets - "
 #endif
 
 
-#if @REPLACE_DUP@
-# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#  define dup rpl_dup
-# endif
+#if @GNULIB_DUP@
+# if @REPLACE_DUP@
+#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+#   define dup rpl_dup
+#  endif
 _GL_FUNCDECL_RPL (dup, int, (int oldfd));
 _GL_CXXALIAS_RPL (dup, int, (int oldfd));
-#else
+# else
 _GL_CXXALIAS_SYS (dup, int, (int oldfd));
-#endif
+# endif
 _GL_CXXALIASWARN (dup);
+#elif defined GNULIB_POSIXCHECK
+# undef dup
+# if HAVE_RAW_DECL_DUP
+_GL_WARN_ON_USE (dup, "dup is unportable - "
+                 "use gnulib module dup for portability");
+# endif
+#endif
 
 
 #if @GNULIB_DUP2@
 /* Copy the file descriptor OLDFD into file descriptor NEWFD.  Do nothing if
    NEWFD = OLDFD, otherwise close NEWFD first if it is open.
    Return newfd if successful, otherwise -1 and errno set.
-   See the POSIX:2001 specification
-   <http://www.opengroup.org/susv3xsh/dup2.html>.  */
+   See the POSIX:2008 specification
+   <http://pubs.opengroup.org/onlinepubs/9699919799/functions/dup2.html>.  */
 # if @REPLACE_DUP2@
 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 #   define dup2 rpl_dup2
@@ -425,8 +455,8 @@ _GL_WARN_ON_USE (faccessat, "faccessat is not portable - "
 /* Change the process' current working directory to the directory on which
    the given file descriptor is open.
    Return 0 if successful, otherwise -1 and errno set.
-   See the POSIX:2001 specification
-   <http://www.opengroup.org/susv3xsh/fchdir.html>.  */
+   See the POSIX:2008 specification
+   <http://pubs.opengroup.org/onlinepubs/9699919799/functions/fchdir.html>.  */
 # if ! @HAVE_FCHDIR@
 _GL_FUNCDECL_SYS (fchdir, int, (int /*fd*/));
 
@@ -483,11 +513,30 @@ _GL_WARN_ON_USE (fchownat, "fchownat is not portable - "
 #endif
 
 
-#if @GNULIB_FSYNC@
+#if @GNULIB_FDATASYNC@
 /* Synchronize changes to a file.
    Return 0 if successful, otherwise -1 and errno set.
-   See POSIX:2001 specification
-   <http://www.opengroup.org/susv3xsh/fsync.html>.  */
+   See POSIX:2008 specification
+   <http://pubs.opengroup.org/onlinepubs/9699919799/functions/fdatasync.html>. 
 */
+# if address@hidden@ || address@hidden@
+_GL_FUNCDECL_SYS (fdatasync, int, (int fd));
+# endif
+_GL_CXXALIAS_SYS (fdatasync, int, (int fd));
+_GL_CXXALIASWARN (fdatasync);
+#elif defined GNULIB_POSIXCHECK
+# undef fdatasync
+# if HAVE_RAW_DECL_FDATASYNC
+_GL_WARN_ON_USE (fdatasync, "fdatasync is unportable - "
+                 "use gnulib module fdatasync for portability");
+# endif
+#endif
+
+
+#if @GNULIB_FSYNC@
+/* Synchronize changes, including metadata, to a file.
+   Return 0 if successful, otherwise -1 and errno set.
+   See POSIX:2008 specification
+   <http://pubs.opengroup.org/onlinepubs/9699919799/functions/fsync.html>.  */
 # if address@hidden@
 _GL_FUNCDECL_SYS (fsync, int, (int fd));
 # endif
@@ -505,8 +554,8 @@ _GL_WARN_ON_USE (fsync, "fsync is unportable - "
 #if @GNULIB_FTRUNCATE@
 /* Change the size of the file to which FD is opened to become equal to LENGTH.
    Return 0 if successful, otherwise -1 and errno set.
-   See the POSIX:2001 specification
-   <http://www.opengroup.org/susv3xsh/ftruncate.html>.  */
+   See the POSIX:2008 specification
+   <http://pubs.opengroup.org/onlinepubs/9699919799/functions/ftruncate.html>. 
 */
 # if address@hidden@
 _GL_FUNCDECL_SYS (ftruncate, int, (int fd, off_t length));
 # endif
@@ -526,8 +575,8 @@ _GL_WARN_ON_USE (ftruncate, "ftruncate is unportable - "
    of BUF.
    Return BUF if successful, or NULL if the directory couldn't be determined
    or SIZE was too small.
-   See the POSIX:2001 specification
-   <http://www.opengroup.org/susv3xsh/getcwd.html>.
+   See the POSIX:2008 specification
+   <http://pubs.opengroup.org/onlinepubs/9699919799/functions/getcwd.html>.
    Additionally, the gnulib module 'getcwd' guarantees the following GNU
    extension: If BUF is NULL, an array is allocated with 'malloc'; the array
    is SIZE bytes long, unless SIZE == 0, in which case it is as big as
@@ -890,8 +939,8 @@ _GL_WARN_ON_USE (group_member, "group_member is unportable 
- "
 /* Change the owner of FILE to UID (if UID is not -1) and the group of FILE
    to GID (if GID is not -1).  Do not follow symbolic links.
    Return 0 if successful, otherwise -1 and errno set.
-   See the POSIX:2001 specification
-   <http://www.opengroup.org/susv3xsh/lchown.html>.  */
+   See the POSIX:2008 specification
+   <http://pubs.opengroup.org/onlinepubs/9699919799/functions/lchown.html>.  */
 # if @REPLACE_LCHOWN@
 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 #   undef lchown
@@ -920,8 +969,8 @@ _GL_WARN_ON_USE (lchown, "lchown is unportable to 
pre-POSIX.1-2001 systems - "
 #if @GNULIB_LINK@
 /* Create a new hard link for an existing file.
    Return 0 if successful, otherwise -1 and errno set.
-   See POSIX:2001 specification
-   <http://www.opengroup.org/susv3xsh/link.html>.  */
+   See POSIX:2008 specification
+   <http://pubs.opengroup.org/onlinepubs/9699919799/functions/link.html>.  */
 # if @REPLACE_LINK@
 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 #   define link rpl_link
@@ -986,8 +1035,8 @@ _GL_WARN_ON_USE (linkat, "linkat is unportable - "
 #if @GNULIB_LSEEK@
 /* Set the offset of FD relative to SEEK_SET, SEEK_CUR, or SEEK_END.
    Return the new offset if successful, otherwise -1 and errno set.
-   See the POSIX:2001 specification
-   <http://www.opengroup.org/susv3xsh/lseek.html>.  */
+   See the POSIX:2008 specification
+   <http://pubs.opengroup.org/onlinepubs/9699919799/functions/lseek.html>.  */
 # if @REPLACE_LSEEK@
 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 #   define lseek rpl_lseek
@@ -1057,8 +1106,9 @@ _GL_WARN_ON_USE (pipe2, "pipe2 is unportable - "
 #if @GNULIB_PREAD@
 /* Read at most BUFSIZE bytes from FD into BUF, starting at OFFSET.
    Return the number of bytes placed into BUF if successful, otherwise
-   set errno and return -1.  0 indicates EOF.  See the POSIX:2001
-   specification <http://www.opengroup.org/susv3xsh/pread.html>.  */
+   set errno and return -1.  0 indicates EOF.
+   See the POSIX:2008 specification
+   <http://pubs.opengroup.org/onlinepubs/9699919799/functions/pread.html>.  */
 # if @REPLACE_PREAD@
 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 #   undef pread
@@ -1092,8 +1142,8 @@ _GL_WARN_ON_USE (pread, "pread is unportable - "
 /* Write at most BUFSIZE bytes from BUF into FD, starting at OFFSET.
    Return the number of bytes written if successful, otherwise
    set errno and return -1.  0 indicates nothing written.  See the
-   POSIX:2001 specification
-   <http://www.opengroup.org/susv3xsh/pwrite.html>.  */
+   POSIX:2008 specification
+   <http://pubs.opengroup.org/onlinepubs/9699919799/functions/pwrite.html>.  */
 # if @REPLACE_PWRITE@
 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 #   undef pwrite
@@ -1125,9 +1175,9 @@ _GL_WARN_ON_USE (pwrite, "pwrite is unportable - "
 
 #if @GNULIB_READ@
 /* Read up to COUNT bytes from file descriptor FD into the buffer starting
-   at BUF.  See the POSIX:2001 specification
-   <http://www.opengroup.org/susv3xsh/read.html>.  */
-# if @REPLACE_READ@ && @GNULIB_UNISTD_H_NONBLOCKING@
+   at BUF.  See the POSIX:2008 specification
+   <http://pubs.opengroup.org/onlinepubs/9699919799/functions/read.html>.  */
+# if @REPLACE_READ@
 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 #   undef read
 #   define read rpl_read
@@ -1149,8 +1199,8 @@ _GL_CXXALIASWARN (read);
 /* Read the contents of the symbolic link FILE and place the first BUFSIZE
    bytes of it into BUF.  Return the number of bytes placed into BUF if
    successful, otherwise -1 and errno set.
-   See the POSIX:2001 specification
-   <http://www.opengroup.org/susv3xsh/readlink.html>.  */
+   See the POSIX:2008 specification
+   <http://pubs.opengroup.org/onlinepubs/9699919799/functions/readlink.html>.  
*/
 # if @REPLACE_READLINK@
 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 #   define readlink rpl_readlink
@@ -1221,8 +1271,8 @@ _GL_WARN_ON_USE (rmdir, "rmdir is unportable - "
 #if @GNULIB_SLEEP@
 /* Pause the execution of the current thread for N seconds.
    Returns the number of seconds left to sleep.
-   See the POSIX:2001 specification
-   <http://www.opengroup.org/susv3xsh/sleep.html>.  */
+   See the POSIX:2008 specification
+   <http://pubs.opengroup.org/onlinepubs/9699919799/functions/sleep.html>.  */
 # if @REPLACE_SLEEP@
 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 #   undef sleep
@@ -1371,7 +1421,7 @@ _GL_WARN_ON_USE (unlinkat, "unlinkat is not portable - "
 /* Pause the execution of the current thread for N microseconds.
    Returns 0 on completion, or -1 on range error.
    See the POSIX:2001 specification
-   <http://www.opengroup.org/susv3xsh/sleep.html>.  */
+   <http://www.opengroup.org/susv3xsh/usleep.html>.  */
 # if @REPLACE_USLEEP@
 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 #   undef usleep
@@ -1397,9 +1447,9 @@ _GL_WARN_ON_USE (usleep, "usleep is unportable - "
 
 #if @GNULIB_WRITE@
 /* Write up to COUNT bytes starting at BUF to file descriptor FD.
-   See the POSIX:2001 specification
-   <http://www.opengroup.org/susv3xsh/write.html>.  */
-# if @REPLACE_WRITE@ && (@GNULIB_UNISTD_H_NONBLOCKING@ || 
@GNULIB_UNISTD_H_SIGPIPE@)
+   See the POSIX:2008 specification
+   <http://pubs.opengroup.org/onlinepubs/9699919799/functions/write.html>.  */
+# if @REPLACE_WRITE@
 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 #   undef write
 #   define write rpl_write
diff --git a/lib/decoding.c b/lib/decoding.c
index 54a4c9f..3849375 100644
--- a/lib/decoding.c
+++ b/lib/decoding.c
@@ -1367,7 +1367,7 @@ asn1_der_decoding_element (ASN1_TYPE * structure, const 
char *elementName,
   char temp[128], currentName[ASN1_MAX_NAME_SIZE * 10], *dot_p, *char_p;
   int nameLen = ASN1_MAX_NAME_SIZE * 10 - 1, state;
   int counter, len2, len3, len4, move, ris, tlen;
-  unsigned char class, *temp2;
+  unsigned char class;
   unsigned long tag;
   int indefinite, result;
   const unsigned char *der = ider;
@@ -1921,7 +1921,6 @@ asn1_der_decoding_element (ASN1_TYPE * structure, const 
char *elementName,
                  if (state == FOUND)
                    {
                      _asn1_set_value_octet (p, der + counter, len2 + len3);
-                     temp2 = NULL;
 
                      if (p == nodeFound)
                        state = EXIT;
diff --git a/lib/gllib/Makefile.am b/lib/gllib/Makefile.am
index bfb9468..950f9e4 100644
--- a/lib/gllib/Makefile.am
+++ b/lib/gllib/Makefile.am
@@ -2,10 +2,22 @@
 ## Process this file with automake to produce Makefile.in.
 # Copyright (C) 2002-2011 Free Software Foundation, Inc.
 #
-# This file is free software, distributed under the terms of the GNU
-# General Public License.  As a special exception to the GNU General
-# Public License, this file may be distributed as part of a program
-# that contains a configuration script generated by Autoconf, under
+# This file is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This file is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this file.  If not, see <http://www.gnu.org/licenses/>.
+#
+# As a special exception to the GNU General Public License,
+# this file may be distributed as part of a program that
+# contains a configuration script generated by Autoconf, under
 # the same distribution terms as the rest of that program.
 #
 # Generated by gnulib-tool.
@@ -211,6 +223,8 @@ string.h: string.in.h $(top_builddir)/config.status 
$(CXXDEFS_H) $(ARG_NONNULL_H
              -e 's|@''PRAGMA_SYSTEM_HEADER''@|@PRAGMA_SYSTEM_HEADER@|g' \
              -e 's|@''PRAGMA_COLUMNS''@|@PRAGMA_COLUMNS@|g' \
              -e 's|@''NEXT_STRING_H''@|$(NEXT_STRING_H)|g' \
+             -e 's/@''GNULIB_FFSL''@/$(GNULIB_FFSL)/g' \
+             -e 's/@''GNULIB_FFSLL''@/$(GNULIB_FFSLL)/g' \
              -e 's/@''GNULIB_MBSLEN''@/$(GNULIB_MBSLEN)/g' \
              -e 's/@''GNULIB_MBSNLEN''@/$(GNULIB_MBSNLEN)/g' \
              -e 's/@''GNULIB_MBSCHR''@/$(GNULIB_MBSCHR)/g' \
@@ -247,7 +261,9 @@ string.h: string.in.h $(top_builddir)/config.status 
$(CXXDEFS_H) $(ARG_NONNULL_H
              -e 's/@''GNULIB_STRSIGNAL''@/$(GNULIB_STRSIGNAL)/g' \
              -e 's/@''GNULIB_STRVERSCMP''@/$(GNULIB_STRVERSCMP)/g' \
              < $(srcdir)/string.in.h | \
-         sed -e 's|@''HAVE_MBSLEN''@|$(HAVE_MBSLEN)|g' \
+         sed -e 's|@''HAVE_FFSL''@|$(HAVE_FFSL)|g' \
+             -e 's|@''HAVE_FFSLL''@|$(HAVE_FFSLL)|g' \
+             -e 's|@''HAVE_MBSLEN''@|$(HAVE_MBSLEN)|g' \
              -e 's|@''HAVE_MEMCHR''@|$(HAVE_MEMCHR)|g' \
              -e 's|@''HAVE_DECL_MEMMEM''@|$(HAVE_DECL_MEMMEM)|g' \
              -e 's|@''HAVE_MEMPCPY''@|$(HAVE_MEMPCPY)|g' \
diff --git a/lib/gllib/string.in.h b/lib/gllib/string.in.h
index 5a66634..d45b14a 100644
--- a/lib/gllib/string.in.h
+++ b/lib/gllib/string.in.h
@@ -59,6 +59,36 @@
 /* The definition of _GL_WARN_ON_USE is copied here.  */
 
 
+/* Find the index of the least-significant set bit.  */
+#if @GNULIB_FFSL@
+# if address@hidden@
+_GL_FUNCDECL_SYS (ffsl, int, (long int i));
+# endif
+_GL_CXXALIAS_SYS (ffsl, int, (long int i));
+_GL_CXXALIASWARN (ffsl);
+#elif defined GNULIB_POSIXCHECK
+# undef ffsl
+# if HAVE_RAW_DECL_FFSL
+_GL_WARN_ON_USE (ffsl, "ffsl is not portable - use the ffsl module");
+# endif
+#endif
+
+
+/* Find the index of the least-significant set bit.  */
+#if @GNULIB_FFSLL@
+# if address@hidden@
+_GL_FUNCDECL_SYS (ffsll, int, (long long int i));
+# endif
+_GL_CXXALIAS_SYS (ffsll, int, (long long int i));
+_GL_CXXALIASWARN (ffsll);
+#elif defined GNULIB_POSIXCHECK
+# undef ffsll
+# if HAVE_RAW_DECL_FFSLL
+_GL_WARN_ON_USE (ffsll, "ffsll is not portable - use the ffsll module");
+# endif
+#endif
+
+
 /* Return the first instance of C within N bytes of S, or NULL.  */
 #if @GNULIB_MEMCHR@
 # if @REPLACE_MEMCHR@
diff --git a/lib/glm4/extensions.m4 b/lib/glm4/extensions.m4
index 1330503..22156e0 100644
--- a/lib/glm4/extensions.m4
+++ b/lib/glm4/extensions.m4
@@ -1,4 +1,4 @@
-# serial 9  -*- Autoconf -*-
+# serial 10  -*- Autoconf -*-
 # Enable extensions on systems that normally disable them.
 
 # Copyright (C) 2003, 2006-2011 Free Software Foundation, Inc.
@@ -67,6 +67,10 @@ AC_BEFORE([$0], [AC_RUN_IFELSE])dnl
 #ifndef _ALL_SOURCE
 # undef _ALL_SOURCE
 #endif
+/* Enable general extensions on MacOS X.  */
+#ifndef _DARWIN_C_SOURCE
+# undef _DARWIN_C_SOURCE
+#endif
 /* Enable GNU extensions on systems that have them.  */
 #ifndef _GNU_SOURCE
 # undef _GNU_SOURCE
@@ -95,6 +99,7 @@ AC_BEFORE([$0], [AC_RUN_IFELSE])dnl
   test $ac_cv_safe_to_define___extensions__ = yes &&
     AC_DEFINE([__EXTENSIONS__])
   AC_DEFINE([_ALL_SOURCE])
+  AC_DEFINE([_DARWIN_C_SOURCE])
   AC_DEFINE([_GNU_SOURCE])
   AC_DEFINE([_POSIX_PTHREAD_SEMANTICS])
   AC_DEFINE([_TANDEM_SOURCE])
diff --git a/lib/glm4/gnulib-cache.m4 b/lib/glm4/gnulib-cache.m4
index 8e93c9e..f15ee0c 100644
--- a/lib/glm4/gnulib-cache.m4
+++ b/lib/glm4/gnulib-cache.m4
@@ -1,9 +1,21 @@
 # Copyright (C) 2002-2011 Free Software Foundation, Inc.
 #
-# This file is free software, distributed under the terms of the GNU
-# General Public License.  As a special exception to the GNU General
-# Public License, this file may be distributed as part of a program
-# that contains a configuration script generated by Autoconf, under
+# This file is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This file is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this file.  If not, see <http://www.gnu.org/licenses/>.
+#
+# As a special exception to the GNU General Public License,
+# this file may be distributed as part of a program that
+# contains a configuration script generated by Autoconf, under
 # the same distribution terms as the rest of that program.
 #
 # Generated by gnulib-tool.
diff --git a/lib/glm4/gnulib-common.m4 b/lib/glm4/gnulib-common.m4
index 6b5923a..7d83299 100644
--- a/lib/glm4/gnulib-common.m4
+++ b/lib/glm4/gnulib-common.m4
@@ -1,4 +1,4 @@
-# gnulib-common.m4 serial 28
+# gnulib-common.m4 serial 31
 dnl Copyright (C) 2007-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -211,6 +211,83 @@ m4_ifndef([AS_VAR_IF],
 [m4_define([AS_VAR_IF],
 [AS_IF([test x"AS_VAR_GET([$1])" = x""$2], [$3], [$4])])])
 
+# gl_PROG_CC_C99
+# Modifies the value of the shell variable CC in an attempt to make $CC
+# understand ISO C99 source code.
+# This is like AC_PROG_CC_C99, except that
+# - AC_PROG_CC_C99 did not exist in Autoconf versions < 2.60,
+# - AC_PROG_CC_C99 does not mix well with AC_PROG_CC_STDC
+#   <http://lists.gnu.org/archive/html/bug-gnulib/2011-09/msg00367.html>,
+#   but many more packages use AC_PROG_CC_STDC than AC_PROG_CC_C99
+#   <http://lists.gnu.org/archive/html/bug-gnulib/2011-09/msg00441.html>.
+# Remaining problems:
+# - When AC_PROG_CC_STDC is invoked twice, it adds the C99 enabling options
+#   to CC twice
+#   <http://lists.gnu.org/archive/html/bug-gnulib/2011-09/msg00431.html>.
+# - AC_PROG_CC_STDC is likely to change when C1X is an ISO standard.
+AC_DEFUN([gl_PROG_CC_C99],
+[
+  dnl Change that version number to the minimum Autoconf version that supports
+  dnl mixing AC_PROG_CC_C99 calls with AC_PROG_CC_STDC calls.
+  m4_version_prereq([9.0],
+    [AC_REQUIRE([AC_PROG_CC_C99])],
+    [AC_REQUIRE([AC_PROG_CC_STDC])])
+])
+
+# gl_PROG_AR_RANLIB
+# Determines the values for AR, ARFLAGS, RANLIB that fit with the compiler.
+# The user can set the variables AR, ARFLAGS, RANLIB if he wants to override
+# the values.
+AC_DEFUN([gl_PROG_AR_RANLIB],
+[
+  dnl Minix 3 comes with two toolchains: The Amsterdam Compiler Kit compiler
+  dnl as "cc", and GCC as "gcc". They have different object file formats and
+  dnl library formats. In particular, the GNU binutils programs ar, ranlib
+  dnl produce libraries that work only with gcc, not with cc.
+  AC_REQUIRE([AC_PROG_CC])
+  AC_CACHE_CHECK([for Minix Amsterdam compiler], [gl_cv_c_amsterdam_compiler],
+    [
+      AC_EGREP_CPP([Amsterdam],
+        [
+#ifdef __ACK__
+Amsterdam
+#endif
+        ],
+        [gl_cv_c_amsterdam_compiler=yes],
+        [gl_cv_c_amsterdam_compiler=no])
+    ])
+  if test -z "$AR"; then
+    if test $gl_cv_c_amsterdam_compiler = yes; then
+      AR='cc -c.a'
+      if test -z "$ARFLAGS"; then
+        ARFLAGS='-o'
+      fi
+    else
+      dnl Use the Automake-documented default values for AR and ARFLAGS,
+      dnl but prefer ${host}-ar over ar (useful for cross-compiling).
+      AC_CHECK_TOOL([AR], [ar], [ar])
+      if test -z "$ARFLAGS"; then
+        ARFLAGS='cru'
+      fi
+    fi
+  else
+    if test -z "$ARFLAGS"; then
+      ARFLAGS='cru'
+    fi
+  fi
+  AC_SUBST([AR])
+  AC_SUBST([ARFLAGS])
+  if test -z "$RANLIB"; then
+    if test $gl_cv_c_amsterdam_compiler = yes; then
+      RANLIB=':'
+    else
+      dnl Use the ranlib program if it is available.
+      AC_PROG_RANLIB
+    fi
+  fi
+  AC_SUBST([RANLIB])
+])
+
 # AC_PROG_MKDIR_P
 # is a backport of autoconf-2.60's AC_PROG_MKDIR_P, with a fix
 # for interoperability with automake-1.9.6 from autoconf-2.62.
diff --git a/lib/glm4/gnulib-comp.m4 b/lib/glm4/gnulib-comp.m4
index 17c2f39..9a3f742 100644
--- a/lib/glm4/gnulib-comp.m4
+++ b/lib/glm4/gnulib-comp.m4
@@ -1,10 +1,22 @@
 # DO NOT EDIT! GENERATED AUTOMATICALLY!
 # Copyright (C) 2002-2011 Free Software Foundation, Inc.
 #
-# This file is free software, distributed under the terms of the GNU
-# General Public License.  As a special exception to the GNU General
-# Public License, this file may be distributed as part of a program
-# that contains a configuration script generated by Autoconf, under
+# This file is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This file is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this file.  If not, see <http://www.gnu.org/licenses/>.
+#
+# As a special exception to the GNU General Public License,
+# this file may be distributed as part of a program that
+# contains a configuration script generated by Autoconf, under
 # the same distribution terms as the rest of that program.
 #
 # Generated by gnulib-tool.
@@ -25,7 +37,7 @@ AC_DEFUN([lgl_EARLY],
   m4_pattern_allow([^gl_ES$])dnl a valid locale name
   m4_pattern_allow([^gl_LIBOBJS$])dnl a variable
   m4_pattern_allow([^gl_LTLIBOBJS$])dnl a variable
-  AC_REQUIRE([AC_PROG_RANLIB])
+  AC_REQUIRE([gl_PROG_AR_RANLIB])
   # Code from module extensions:
   AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
   # Code from module include_next:
diff --git a/lib/glm4/include_next.m4 b/lib/glm4/include_next.m4
index b3c7849..8a1fab6 100644
--- a/lib/glm4/include_next.m4
+++ b/lib/glm4/include_next.m4
@@ -1,4 +1,4 @@
-# include_next.m4 serial 18
+# include_next.m4 serial 23
 dnl Copyright (C) 2006-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -175,11 +175,13 @@ AC_DEFUN([gl_NEXT_HEADERS_INTERNAL],
     [AC_CHECK_HEADERS_ONCE([$1])
     ])
 
+dnl FIXME: gl_next_header and gl_header_exists must be used unquoted
+dnl until we can assume autoconf 2.64 or newer.
   m4_foreach_w([gl_HEADER_NAME], [$1],
     [AS_VAR_PUSHDEF([gl_next_header],
                     [gl_cv_next_]m4_defn([gl_HEADER_NAME]))
      if test $gl_cv_have_include_next = yes; then
-       AS_VAR_SET([gl_next_header], ['<'gl_HEADER_NAME'>'])
+       AS_VAR_SET(gl_next_header, ['<'gl_HEADER_NAME'>'])
      else
        AC_CACHE_CHECK(
          [absolute name of <]m4_defn([gl_HEADER_NAME])[>],
@@ -205,33 +207,57 @@ AC_DEFUN([gl_NEXT_HEADERS_INTERNAL],
                  aix*) gl_absname_cpp="$ac_cpp -C" ;;
                  *)    gl_absname_cpp="$ac_cpp" ;;
                esac
+changequote(,)
+               case "$host_os" in
+                 mingw*)
+                   dnl For the sake of native Windows compilers (excluding 
gcc),
+                   dnl treat backslash as a directory separator, like /.
+                   dnl Actually, these compilers use a double-backslash as
+                   dnl directory separator, inside the
+                   dnl   # line "filename"
+                   dnl directives.
+                   gl_dirsep_regex='[/\\]'
+                   ;;
+                 *)
+                   gl_dirsep_regex='\/'
+                   ;;
+               esac
+               dnl A sed expression that turns a string into a basic regular
+               dnl expression, for use within "/.../".
+               gl_make_literal_regex_sed='s,[]$^\\.*/[],\\&,g'
+changequote([,])
+               gl_header_literal_regex=`echo ']m4_defn([gl_HEADER_NAME])[' \
+                                        | sed -e "$gl_make_literal_regex_sed"`
+               
gl_absolute_header_sed="/${gl_dirsep_regex}${gl_header_literal_regex}/"'{
+                   
s/.*"\(.*'"${gl_dirsep_regex}${gl_header_literal_regex}"'\)".*/\1/
+changequote(,)dnl
+                   s|^/[^/]|//&|
+changequote([,])dnl
+                   p
+                   q
+                 }'
                dnl eval is necessary to expand gl_absname_cpp.
                dnl Ultrix and Pyramid sh refuse to redirect output of eval,
                dnl so use subshell.
-               AS_VAR_SET([gl_next_header],
+               AS_VAR_SET(gl_next_header,
                  ['"'`(eval "$gl_absname_cpp conftest.$ac_ext") 
2>&AS_MESSAGE_LOG_FD |
-                  sed -n '\#/]m4_defn([gl_HEADER_NAME])[#{
-                    s#.*"\(.*/]m4_defn([gl_HEADER_NAME])[\)".*#\1#
-                    s#^/[^/]#//&#
-                    p
-                    q
-                  }'`'"'])
+                      sed -n "$gl_absolute_header_sed"`'"'])
           m4_if([$2], [check],
             [else
-               AS_VAR_SET([gl_next_header], ['<'gl_HEADER_NAME'>'])
+               AS_VAR_SET(gl_next_header, ['<'gl_HEADER_NAME'>'])
              fi
             ])
          ])
      fi
      AC_SUBST(
        AS_TR_CPP([NEXT_]m4_defn([gl_HEADER_NAME])),
-       [AS_VAR_GET([gl_next_header])])
+       [AS_VAR_GET(gl_next_header)])
      if test $gl_cv_have_include_next = yes || test $gl_cv_have_include_next = 
buggy; then
        # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include_next'
        gl_next_as_first_directive='<'gl_HEADER_NAME'>'
      else
        # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include'
-       gl_next_as_first_directive=AS_VAR_GET([gl_next_header])
+       gl_next_as_first_directive=AS_VAR_GET(gl_next_header)
      fi
      AC_SUBST(
        AS_TR_CPP([NEXT_AS_FIRST_DIRECTIVE_]m4_defn([gl_HEADER_NAME])),
diff --git a/lib/glm4/stdint.m4 b/lib/glm4/stdint.m4
index c75e957..092161c 100644
--- a/lib/glm4/stdint.m4
+++ b/lib/glm4/stdint.m4
@@ -466,6 +466,14 @@ AC_DEFUN([gl_STDINT_TYPE_PROPERTIES],
   fi
   gl_INTEGER_TYPE_SUFFIX([sig_atomic_t wchar_t wint_t],
     [gl_STDINT_INCLUDES])
+
+  dnl If wint_t is smaller than 'int', it cannot satisfy the ISO C 99
+  dnl requirement that wint_t is "unchanged by default argument promotions".
+  dnl In this case gnulib's <wchar.h> and <wctype.h> override wint_t.
+  dnl Set the variable BITSIZEOF_WINT_T accordingly.
+  if test $BITSIZEOF_WINT_T -lt 32; then
+    BITSIZEOF_WINT_T=32
+  fi
 ])
 
 dnl Autoconf >= 2.61 has AC_COMPUTE_INT built-in.
diff --git a/lib/glm4/string_h.m4 b/lib/glm4/string_h.m4
index df8c403..4f9f511 100644
--- a/lib/glm4/string_h.m4
+++ b/lib/glm4/string_h.m4
@@ -5,7 +5,7 @@
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 20
+# serial 21
 
 # Written by Paul Eggert.
 
@@ -27,9 +27,9 @@ AC_DEFUN([gl_HEADER_STRING_H_BODY],
   dnl guaranteed by C89.
   gl_WARN_ON_USE_PREPARE([[#include <string.h>
     ]],
-    [memmem mempcpy memrchr rawmemchr stpcpy stpncpy strchrnul strdup
-     strncat strndup strnlen strpbrk strsep strcasestr strtok_r strerror_r
-     strsignal strverscmp])
+    [ffsl ffsll memmem mempcpy memrchr rawmemchr stpcpy stpncpy strchrnul
+     strdup strncat strndup strnlen strpbrk strsep strcasestr strtok_r
+     strerror_r strsignal strverscmp])
 ])
 
 AC_DEFUN([gl_STRING_MODULE_INDICATOR],
@@ -43,6 +43,8 @@ AC_DEFUN([gl_STRING_MODULE_INDICATOR],
 
 AC_DEFUN([gl_HEADER_STRING_H_DEFAULTS],
 [
+  GNULIB_FFSL=0;        AC_SUBST([GNULIB_FFSL])
+  GNULIB_FFSLL=0;       AC_SUBST([GNULIB_FFSLL])
   GNULIB_MEMCHR=0;      AC_SUBST([GNULIB_MEMCHR])
   GNULIB_MEMMEM=0;      AC_SUBST([GNULIB_MEMMEM])
   GNULIB_MEMPCPY=0;     AC_SUBST([GNULIB_MEMPCPY])
@@ -80,6 +82,8 @@ AC_DEFUN([gl_HEADER_STRING_H_DEFAULTS],
   GNULIB_STRVERSCMP=0;  AC_SUBST([GNULIB_STRVERSCMP])
   HAVE_MBSLEN=0;        AC_SUBST([HAVE_MBSLEN])
   dnl Assume proper GNU behavior unless another module says otherwise.
+  HAVE_FFSL=1;                  AC_SUBST([HAVE_FFSL])
+  HAVE_FFSLL=1;                 AC_SUBST([HAVE_FFSLL])
   HAVE_MEMCHR=1;                AC_SUBST([HAVE_MEMCHR])
   HAVE_DECL_MEMMEM=1;           AC_SUBST([HAVE_DECL_MEMMEM])
   HAVE_MEMPCPY=1;               AC_SUBST([HAVE_MEMPCPY])
diff --git a/lib/glm4/warn-on-use.m4 b/lib/glm4/warn-on-use.m4
index e0d0f27..f09deef 100644
--- a/lib/glm4/warn-on-use.m4
+++ b/lib/glm4/warn-on-use.m4
@@ -1,4 +1,4 @@
-# warn-on-use.m4 serial 2
+# warn-on-use.m4 serial 4
 dnl Copyright (C) 2010-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -27,6 +27,8 @@ AC_DEFUN([gl_WARN_ON_USE_PREPARE],
     [AH_TEMPLATE([HAVE_RAW_DECL_]AS_TR_CPP(m4_defn([gl_decl])),
       [Define to 1 if ]m4_defn([gl_decl])[ is declared even after
        undefining macros.])])dnl
+dnl FIXME: gl_Symbol must be used unquoted until we can assume
+dnl autoconf 2.64 or newer.
   for gl_func in m4_flatten([$2]); do
     AS_VAR_PUSHDEF([gl_Symbol], [gl_cv_have_raw_decl_$gl_func])dnl
     AC_CACHE_CHECK([whether $gl_func is declared without a macro],
@@ -35,8 +37,8 @@ AC_DEFUN([gl_WARN_ON_USE_PREPARE],
 address@hidden:@undef $gl_func
   (void) $gl_func;])],
         [AS_VAR_SET(gl_Symbol, [yes])], [AS_VAR_SET(gl_Symbol, [no])])])
-     AS_VAR_IF(gl_Symbol, [yes],
-       [AC_DEFINE_UNQUOTED(AS_TR_CPP([HAVE_RAW_DECL_$gl_func]), [1])
+    AS_VAR_IF(gl_Symbol, [yes],
+      [AC_DEFINE_UNQUOTED(AS_TR_CPP([HAVE_RAW_DECL_$gl_func]), [1])
        dnl shortcut - if the raw declaration exists, then set a cache
        dnl variable to allow skipping any later AC_CHECK_DECL efforts
        eval ac_cv_have_decl_$gl_func=yes])
diff --git a/maint.mk b/maint.mk
index 2da93bf..51f617b 100644
--- a/maint.mk
+++ b/maint.mk
@@ -621,6 +621,12 @@ sc_prohibit_stddef_without_use:
        re='\<($(_stddef_syms_re)) *\('                                 \
          $(_sc_header_without_use)
 
+# Prohibit the inclusion of verify.h without an actual use.
+sc_prohibit_verify_without_use:
+       @h='verify.h'                                                   \
+       re='\<(verify(true|expr)?|static_assert) *\('                   \
+         $(_sc_header_without_use)
+
 # Don't include xfreopen.h unless you use one of its functions.
 sc_prohibit_xfreopen_without_use:
        @h='xfreopen.h' re='\<xfreopen *\(' $(_sc_header_without_use)
@@ -747,6 +753,7 @@ gl_extract_significant_defines_ = \
   /^\# *define ([^_ (][^ (]*)(\s*\(|\s+\w+)/\
     && $$2 !~ /(?:rpl_|_used_without_)/\
     && $$1 !~ /^(?:NSIG)$$/\
+    && $$1 !~ /^(?:SA_RESETHAND|SA_RESTART)$$/\
     and print $$1
 
 # Create a list of regular expressions matching the names
@@ -755,7 +762,8 @@ define def_sym_regex
        gen_h=$(gl_generated_headers_);                                 \
        (cd $(gnulib_dir)/lib;                                          \
          for f in *.in.h $(gl_other_headers_); do                      \
-           perl -lne '$(gl_extract_significant_defines_)' $$f;         \
+           test -f $$f                                                 \
+             && perl -lne '$(gl_extract_significant_defines_)' $$f;    \
          done;                                                         \
        ) | sort -u                                                     \
          | sed 's/^/^ *# *(define|undef)  */;s/$$/\\>/'
@@ -1071,16 +1079,20 @@ sc_makefile_path_separator_check:
        halt=$(msg)                                                     \
          $(_sc_search_regexp)
 
-# Check that `make alpha' will not fail at the end of the process.
+# Check that `make alpha' will not fail at the end of the process,
+# i.e., when pkg-M.N.tar.xz already exists (either in "." or in ../release)
+# and is read-only.
 writable-files:
-       if test -d $(release_archive_dir); then :; else                 \
-         for file in $(distdir).tar.gz                                 \
-                     $(release_archive_dir)/$(distdir).tar.gz; do      \
-           test -e $$file || continue;                                 \
-           test -w $$file                                              \
-             || { echo ERROR: $$file is not writable; fail=1; };       \
+       if test -d $(release_archive_dir); then                         \
+         for file in $(DIST_ARCHIVES); do                              \
+           for p in ./ $(release_archive_dir)/; do                     \
+             test -e $$p$$file || continue;                            \
+             test -w $$p$$file                                         \
+               || { echo ERROR: $$p$$file is not writable; fail=1; };  \
+           done;                                                       \
          done;                                                         \
          test "$$fail" && exit 1 || : ;                                \
+       else :;                                                         \
        fi
 
 v_etc_file = $(gnulib_dir)/lib/version-etc.c
@@ -1228,9 +1240,9 @@ emit_upload_commands:
        @echo =====================================
 
 define emit-commit-log
-  printf '%s\n' 'post-release administrivia' '' \
-    '* NEWS: Add header line for next release.' \
-    '* .prev-version: Record previous version.' \
+  printf '%s\n' 'maint: post-release administrivia' ''                 \
+    '* NEWS: Add header line for next release.'                                
\
+    '* .prev-version: Record previous version.'                                
\
     '* cfg.mk (old_NEWS_hash): Auto-update.'
 endef
 
@@ -1391,7 +1403,8 @@ _gl_TS_dir ?= src
 
 ALL_RECURSIVE_TARGETS += sc_tight_scope
 sc_tight_scope: tight-scope.mk
-       @if ! grep '^ *export _gl_TS_headers *=' $(srcdir)/cfg.mk       \
+       @fail=0;                                                        \
+       if ! grep '^ *export _gl_TS_headers *=' $(srcdir)/cfg.mk        \
                > /dev/null                                             \
           && ! grep -w noinst_HEADERS $(srcdir)/$(_gl_TS_dir)/Makefile.am \
                > /dev/null 2>&1; then                                  \
@@ -1403,8 +1416,9 @@ sc_tight_scope: tight-scope.mk
                -f $(abs_top_builddir)/$<                               \
              _gl_tight_scope                                           \
                || fail=1;                                              \
-       fi
-       @rm -f $<
+       fi;                                                             \
+       rm -f $<;                                                       \
+       exit $$fail
 
 tight-scope.mk: $(ME)
        @rm -f $@ address@hidden
@@ -1420,7 +1434,7 @@ ifeq (a,b)
 # do not need to be marked.  Symbols matching `__.*' are
 # reserved by the compiler, so are automatically excluded below.
 _gl_TS_unmarked_extern_functions ?= main usage
-_gl_TS_function_match ?= /^(?:$(_gl_TS_extern)) +.*?(\S+) +\(/
+_gl_TS_function_match ?= /^(?:$(_gl_TS_extern)) +.*?(\S+) *\(/
 
 # If your project uses a macro like "XTERN", then put
 # the following in cfg.mk to override this default:


hooks/post-receive
-- 
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