Update Gnulib; add new modules.

This updates Gnulib to v0.0-4889-ge375fe3.

* m4/gnulib-cache.m4: Add `accept', `bind', `close', `connect',
  `getpeername', `getsockname', `getsockopt', `listen', `malloc',
  `malloca', `recv', `recvfrom', `send', `sendto', `setsockopt',
  `shutdown', `socket', and `sockets', requested by
  Jan Nieuwenhuizen <janneke-list@xs4all.nl> for cross-MinGW32 builds.
  Add `trunc', requested by Mark H Weaver <mhw@netris.org>.

11 files changed, 46 insertions, 49 deletions

diff --git a/build-aux/announce-gen b/build-aux/announce-gen
index 7f9ec86dc..488692681 100755
--- a/build-aux/announce-gen
+++ b/build-aux/announce-gen
@@ -9,7 +9,7 @@ my $VERSION = '2010-05-03 20:17'; # UTC
 # If you change this file with Emacs, please let the write hook
 # do its job.  Otherwise, update this string manually.
 
-# Copyright (C) 2002-2010 Free Software Foundation, Inc.
+# Copyright (C) 2002-2011 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
diff --git a/build-aux/arg-nonnull.h b/build-aux/arg-nonnull.h
index 7e3e2db82..6c2f1e82d 100644
--- a/build-aux/arg-nonnull.h
+++ b/build-aux/arg-nonnull.h
@@ -1,5 +1,5 @@
 /* A C macro for declaring that specific arguments must not be NULL.
-   Copyright (C) 2009, 2010 Free Software Foundation, Inc.
+   Copyright (C) 2009-2011 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
@@ -9,7 +9,7 @@
    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
-   Lesser General Public License for more details.
+   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/>.  */
diff --git a/build-aux/c++defs.h b/build-aux/c++defs.h
index 0c2fad7a2..b6821a64a 100644
--- a/build-aux/c++defs.h
+++ b/build-aux/c++defs.h
@@ -1,5 +1,5 @@
 /* C++ compatible function declaration macros.
-   Copyright (C) 2010 Free Software Foundation, Inc.
+   Copyright (C) 2010-2011 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
@@ -9,7 +9,7 @@
    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
-   Lesser General Public License for more details.
+   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/>.  */
diff --git a/build-aux/config.rpath b/build-aux/config.rpath
index 17298f234..0e87769f9 100755
--- a/build-aux/config.rpath
+++ b/build-aux/config.rpath
@@ -2,7 +2,7 @@
 # Output a system dependent set of variables, describing how to set the
 # run time search path of shared libraries in an executable.
 #
-#   Copyright 1996-2010 Free Software Foundation, Inc.
+#   Copyright 1996-2011 Free Software Foundation, Inc.
 #   Taken from GNU libtool, 2001
 #   Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
 #
@@ -357,9 +357,6 @@ else
     dgux*)
       hardcode_libdir_flag_spec='-L$libdir'
       ;;
-    freebsd1*)
-      ld_shlibs=no
-      ;;
     freebsd2.2*)
       hardcode_libdir_flag_spec='-R$libdir'
       hardcode_direct=yes
@@ -534,8 +531,6 @@ case "$host_os" in
   dgux*)
     library_names_spec='$libname$shrext'
     ;;
-  freebsd1*)
-    ;;
   freebsd* | dragonfly*)
     case "$host_os" in
       freebsd[123]*)
diff --git a/build-aux/git-version-gen b/build-aux/git-version-gen
index 795a98b32..68c7d6440 100755
--- a/build-aux/git-version-gen
+++ b/build-aux/git-version-gen
@@ -1,8 +1,8 @@
 #!/bin/sh
 # Print a version string.
-scriptversion=2010-10-13.20; # UTC
+scriptversion=2011-01-04.17; # UTC
 
-# Copyright (C) 2007-2010 Free Software Foundation, Inc.
+# Copyright (C) 2007-2011 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
@@ -85,14 +85,14 @@ v=
 # then try "git describe", then default.
 if test -f $tarball_version_file
 then
-    v=`cat $tarball_version_file` || exit 1
+    v=`cat $tarball_version_file` || v=
     case $v in
-	*$nl*) v= ;; # reject multi-line output
-	[0-9]*) ;;
-	*) v= ;;
+        *$nl*) v= ;; # reject multi-line output
+        [0-9]*) ;;
+        *) v= ;;
     esac
     test -z "$v" \
-	&& echo "$0: WARNING: $tarball_version_file seems to be damaged" 1>&2
+        && echo "$0: WARNING: $tarball_version_file is missing or damaged" 1>&2
 fi
 
 if test -n "$v"
@@ -103,11 +103,11 @@ then
 # derive a version string.
 elif test "`git log -1 --pretty=format:x . 2>&1`" = x \
     && v=`git describe --abbrev=4 --match='v*' HEAD 2>/dev/null \
-	  || git describe --abbrev=4 HEAD 2>/dev/null` \
+          || git describe --abbrev=4 HEAD 2>/dev/null` \
     && v=`printf '%s\n' "$v" | sed "$tag_sed_script"` \
     && case $v in
-	 v[0-9]*) ;;
-	 *) (exit 1) ;;
+         v[0-9]*) ;;
+         *) (exit 1) ;;
        esac
 then
     # Is this a new git that lists number of commits since the last
@@ -115,16 +115,20 @@ then
     #   Newer: v6.10-77-g0f8faeb
     #   Older: v6.10-g0f8faeb
     case $v in
-	*-*-*) : git describe is okay three part flavor ;;
-	*-*)
-	    : git describe is older two part flavor
-	    # Recreate the number of commits and rewrite such that the
-	    # result is the same as if we were using the newer version
-	    # of git describe.
-	    vtag=`echo "$v" | sed 's/-.*//'`
-	    numcommits=`git rev-list "$vtag"..HEAD | wc -l`
-	    v=`echo "$v" | sed "s/\(.*\)-\(.*\)/\1-$numcommits-\2/"`;
-	    ;;
+        *-*-*) : git describe is okay three part flavor ;;
+        *-*)
+            : git describe is older two part flavor
+            # Recreate the number of commits and rewrite such that the
+            # result is the same as if we were using the newer version
+            # of git describe.
+            vtag=`echo "$v" | sed 's/-.*//'`
+            commit_list=`git rev-list "$vtag"..HEAD 2>/dev/null` \
+                || { commit_list=failed;
+                     echo "$0: WARNING: git rev-list failed" 1>&2; }
+            numcommits=`echo "$commit_list" | wc -l`
+            v=`echo "$v" | sed "s/\(.*\)-\(.*\)/\1-$numcommits-\2/"`;
+            test "$commit_list" = failed && v=UNKNOWN
+            ;;
     esac
 
     # Change the first '-' to a '.', so version-comparing tools work properly.
@@ -139,14 +143,14 @@ v=`echo "$v" |sed 's/^v//'`
 # Don't declare a version "dirty" merely because a time stamp has changed.
 git update-index --refresh > /dev/null 2>&1
 
-dirty=`sh -c 'git diff-index --name-only HEAD' 2>/dev/null` || dirty=
+dirty=`exec 2>/dev/null;git diff-index --name-only HEAD` || dirty=
 case "$dirty" in
     '') ;;
     *) # Append the suffix only if there isn't one already.
-	case $v in
-	  *-dirty) ;;
-	  *) v="$v-dirty" ;;
-	esac ;;
+        case $v in
+          *-dirty) ;;
+          *) v="$v-dirty" ;;
+        esac ;;
 esac
 
 # Omit the trailing newline, so that m4_esyscmd can use the result directly.
diff --git a/build-aux/gitlog-to-changelog b/build-aux/gitlog-to-changelog
index 7660af511..45597041e 100755
--- a/build-aux/gitlog-to-changelog
+++ b/build-aux/gitlog-to-changelog
@@ -9,7 +9,7 @@ my $VERSION = '2009-10-30 13:46'; # UTC
 # If you change this file with Emacs, please let the write hook
 # do its job.  Otherwise, update this string manually.
 
-# Copyright (C) 2008-2010 Free Software Foundation, Inc.
+# Copyright (C) 2008-2011 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
diff --git a/build-aux/gnu-web-doc-update b/build-aux/gnu-web-doc-update
index e834dcf46..f6d0ee1f4 100755
--- a/build-aux/gnu-web-doc-update
+++ b/build-aux/gnu-web-doc-update
@@ -9,7 +9,7 @@
 
 VERSION=2009-07-21.16; # UTC
 
-# Copyright (C) 2009, 2010 Free Software Foundation, Inc.
+# Copyright (C) 2009-2011 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
diff --git a/build-aux/unused-parameter.h b/build-aux/unused-parameter.h
index b6fa32533..c8d2071c3 100644
--- a/build-aux/unused-parameter.h
+++ b/build-aux/unused-parameter.h
@@ -1,5 +1,5 @@
 /* A C macro for declaring that specific function parameters are not used.
-   Copyright (C) 2008-2010 Free Software Foundation, Inc.
+   Copyright (C) 2008-2011 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
@@ -9,7 +9,7 @@
    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
-   Lesser General Public License for more details.
+   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/>.  */
diff --git a/build-aux/useless-if-before-free b/build-aux/useless-if-before-free
index 6aa7d3965..a6c228bcf 100755
--- a/build-aux/useless-if-before-free
+++ b/build-aux/useless-if-before-free
@@ -2,17 +2,15 @@ eval '(exit $?0)' && eval 'exec perl -wST "$0" ${1+"$@"}'
   & eval 'exec perl -wST "$0" $argv:q'
     if 0;
 # Detect instances of "if (p) free (p);".
-# Likewise for "if (p != NULL) free (p);".  And with braces.
-# Also detect "if (NULL != p) free (p);".
-# And with 0 in place of NULL.
+# Likewise "if (p != 0)", "if (0 != p)", or with NULL; and with braces.
 
-my $VERSION = '2009-04-16 15:57'; # UTC
+my $VERSION = '2011-01-09 01:39'; # UTC
 # The definition above must lie within the first 8 lines in order
 # for the Emacs time-stamp write hook (at end) to update it.
 # If you change this file with Emacs, please let the write hook
 # do its job.  Otherwise, update this string manually.
 
-# Copyright (C) 2008-2010 Free Software Foundation, Inc.
+# Copyright (C) 2008-2011 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
@@ -63,7 +61,7 @@ detect free-like functions named FOO and BAR.
 
 OPTIONS:
 
-   --list       print only the name of each matching FILE (\0-terminated)
+   --list       print only the name of each matching FILE (\\0-terminated)
    --name=N     add name N to the list of \`free\'-like functions to detect;
                   may be repeated
 
diff --git a/build-aux/vc-list-files b/build-aux/vc-list-files
index 48a33ee7f..9bb6fe6d3 100755
--- a/build-aux/vc-list-files
+++ b/build-aux/vc-list-files
@@ -4,7 +4,7 @@
 # Print a version string.
 scriptversion=2010-04-23.22; # UTC
 
-# Copyright (C) 2006-2010 Free Software Foundation, Inc.
+# Copyright (C) 2006-2011 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
diff --git a/build-aux/warn-on-use.h b/build-aux/warn-on-use.h
index 171e59916..2cdeec3e6 100644
--- a/build-aux/warn-on-use.h
+++ b/build-aux/warn-on-use.h
@@ -1,5 +1,5 @@
 /* A C macro for emitting warnings if a function is used.
-   Copyright (C) 2010 Free Software Foundation, Inc.
+   Copyright (C) 2010-2011 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
@@ -9,7 +9,7 @@
    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
-   Lesser General Public License for more details.
+   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/>.  */