Update generic GNU files to recent versions.

* INSTALL.gen, config.guess, config.rpath, config.sub,
contrib/groff_filenames/Makefile.sub, doc/fdl.texi, doc/texinfo.tex,
doc/txi-en.tex, install-sh, m4/ax_prog_perl_version.m4,
m4/codeset.m4, m4/fcntl-o.m4, m4/glibc21.m4, m4/iconv.m4,
m4/lib-ld.m4, m4/lib-link.m4, m4/lib-prefix.m4, m4/localcharset.m4,
src/include/localcharset.h, src/libs/gnulib/Makefile.in,
src/libs/gnulib/aclocal.m4, src/libs/gnulib/build-aux/compile,
src/libs/gnulib/build-aux/config.guess,
src/libs/gnulib/build-aux/config.sub,
src/libs/gnulib/build-aux/depcomp,
src/libs/gnulib/build-aux/install-sh,
src/libs/gnulib/build-aux/snippet/arg-nonnull.h,
src/libs/gnulib/build-aux/snippet/c++defs.h,
src/libs/gnulib/build-aux/snippet/warn-on-use.h,
src/libs/gnulib/configure, src/libs/gnulib/lib/Makefile.in,
src/libs/gnulib/lib/config.charset, src/libs/gnulib/lib/intprops.h,
src/libs/gnulib/lib/localcharset.c,
src/libs/gnulib/lib/localcharset.h, src/libs/gnulib/lib/ref-add.sin,
src/libs/gnulib/lib/ref-del.sin, src/libs/gnulib/lib/stdbool.in.h,
src/libs/gnulib/lib/stddef.in.h, src/libs/gnulib/lib/streq.h,
src/libs/gnulib/lib/unitypes.in.h,
src/libs/gnulib/lib/uniwidth.in.h,
src/libs/gnulib/lib/uniwidth/cjk.h,
src/libs/gnulib/lib/uniwidth/width.c, src/libs/gnulib/lib/verify.h,
src/libs/gnulib/lib/wchar.in.h, src/libs/gnulib/lib/wctype-h.c,
src/libs/gnulib/lib/wctype.in.h, src/libs/gnulib/lib/wcwidth.c,
src/libs/gnulib/m4/00gnulib.m4, src/libs/gnulib/m4/Makefile.in,
src/libs/gnulib/m4/codeset.m4, src/libs/gnulib/m4/configmake.m4,
src/libs/gnulib/m4/extensions.m4, src/libs/gnulib/m4/fcntl-o.m4,
src/libs/gnulib/m4/glibc21.m4, src/libs/gnulib/m4/gnulib-tool.m4,
src/libs/gnulib/m4/inttypes-pri.m4,
src/libs/gnulib/m4/localcharset.m4, src/libs/gnulib/m4/longlong.m4,
src/libs/gnulib/m4/onceonly.m4, src/libs/gnulib/m4/wchar_t.m4,
src/libs/gnulib/m4/wint_t.m4, src/libs/libgroff/config.charset,
src/libs/libgroff/localcharset.c, src/libs/libgroff/ref-add.sin,
src/libs/libgroff/ref-del.sin, src/preproc/refer/refer.man: Do it.

9 files changed, 60 insertions, 35 deletions

diff --git a/m4/ax_prog_perl_version.m4 b/m4/ax_prog_perl_version.m4
index 18d9f7457..d794c1ab8 100644
--- a/m4/ax_prog_perl_version.m4
+++ b/m4/ax_prog_perl_version.m4
@@ -35,7 +35,7 @@
 #   and this notice are preserved. This file is offered as-is, without any
 #   warranty.
 
-#serial 11
+#serial 12
 
 AC_DEFUN([AX_PROG_PERL_VERSION],[
     AC_REQUIRE([AC_PROG_SED])
@@ -46,7 +46,11 @@ AC_DEFUN([AX_PROG_PERL_VERSION],[
 
         AC_MSG_CHECKING([for perl version])
         changequote(<<,>>)
-        perl_version=`$PERL --version 2>&1 | $GREP "This is perl" | $SED -e 's/.* v\([0-9]*\.[0-9]*\.[0-9]*\) .*/\1/'`
+        perl_version=`$PERL --version 2>&1 \
+          | $SED -n -e '/This is perl/b inspect
+b
+: inspect
+s/.* (\{0,1\}v\([0-9]*\.[0-9]*\.[0-9]*\))\{0,1\} .*/\1/;p'`
         changequote([,])
         AC_MSG_RESULT($perl_version)
 
diff --git a/m4/codeset.m4 b/m4/codeset.m4
index ac4a8d45b..d7de8d67e 100644
--- a/m4/codeset.m4
+++ b/m4/codeset.m4
@@ -1,5 +1,5 @@
 # codeset.m4 serial 5 (gettext-0.18.2)
-dnl Copyright (C) 2000-2012 Free Software Foundation, Inc.
+dnl Copyright (C) 2000-2002, 2006, 2008-2014 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/fcntl-o.m4 b/m4/fcntl-o.m4
index 09daeea72..43c93124e 100644
--- a/m4/fcntl-o.m4
+++ b/m4/fcntl-o.m4
@@ -1,5 +1,5 @@
 # fcntl-o.m4 serial 4
-dnl Copyright (C) 2006-2012 Free Software Foundation, Inc.
+dnl Copyright (C) 2006, 2009-2014 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
@@ -50,7 +50,18 @@ AC_DEFUN([gl_FCNTL_O_FLAGS],
             #if HAVE_SYMLINK
             {
               static char const sym[] = "conftest.sym";
-              if (symlink (".", sym) != 0)
+              if (symlink ("/dev/null", sym) != 0)
+                result |= 2;
+              else
+                {
+                  int fd = open (sym, O_WRONLY | O_NOFOLLOW | O_CREAT, 0);
+                  if (fd >= 0)
+                    {
+                      close (fd);
+                      result |= 4;
+                    }
+                }
+              if (unlink (sym) != 0 || symlink (".", sym) != 0)
                 result |= 2;
               else
                 {
diff --git a/m4/glibc21.m4 b/m4/glibc21.m4
index 4162a88e0..ab58b7121 100644
--- a/m4/glibc21.m4
+++ b/m4/glibc21.m4
@@ -1,5 +1,5 @@
 # glibc21.m4 serial 5
-dnl Copyright (C) 2000-2012 Free Software Foundation,
+dnl Copyright (C) 2000-2002, 2004, 2008, 2010-2014 Free Software Foundation,
 dnl Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
diff --git a/m4/iconv.m4 b/m4/iconv.m4
index f525923ca..4b29c5f2c 100644
--- a/m4/iconv.m4
+++ b/m4/iconv.m4
@@ -1,5 +1,5 @@
 # iconv.m4 serial 18 (gettext-0.18.2)
-dnl Copyright (C) 2000-2012 Free Software Foundation, Inc.
+dnl Copyright (C) 2000-2002, 2007-2014 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/lib-ld.m4 b/m4/lib-ld.m4
index 48ad28e30..ddc569f73 100644
--- a/m4/lib-ld.m4
+++ b/m4/lib-ld.m4
@@ -1,33 +1,39 @@
-# lib-ld.m4 serial 5 (gettext-0.18.2)
-dnl Copyright (C) 1996-2012 Free Software Foundation, Inc.
+# lib-ld.m4 serial 6
+dnl Copyright (C) 1996-2003, 2009-2014 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
 
 dnl Subroutines of libtool.m4,
-dnl with replacements s/AC_/AC_LIB/ and s/lt_cv/acl_cv/ to avoid collision
-dnl with libtool.m4.
+dnl with replacements s/_*LT_PATH/AC_LIB_PROG/ and s/lt_/acl_/ to avoid
+dnl collision with libtool.m4.
 
-dnl From libtool-1.4. Sets the variable with_gnu_ld to yes or no.
+dnl From libtool-2.4. Sets the variable with_gnu_ld to yes or no.
 AC_DEFUN([AC_LIB_PROG_LD_GNU],
 [AC_CACHE_CHECK([if the linker ($LD) is GNU ld], [acl_cv_prog_gnu_ld],
-[# I'd rather use --version here, but apparently some GNU ld's only accept -v.
+[# I'd rather use --version here, but apparently some GNU lds only accept -v.
 case `$LD -v 2>&1 </dev/null` in
 *GNU* | *'with BFD'*)
-  acl_cv_prog_gnu_ld=yes ;;
+  acl_cv_prog_gnu_ld=yes
+  ;;
 *)
-  acl_cv_prog_gnu_ld=no ;;
+  acl_cv_prog_gnu_ld=no
+  ;;
 esac])
 with_gnu_ld=$acl_cv_prog_gnu_ld
 ])
 
-dnl From libtool-1.4. Sets the variable LD.
+dnl From libtool-2.4. Sets the variable LD.
 AC_DEFUN([AC_LIB_PROG_LD],
-[AC_ARG_WITH([gnu-ld],
-[  --with-gnu-ld           assume the C compiler uses GNU ld [default=no]],
-test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no)
-AC_REQUIRE([AC_PROG_CC])dnl
+[AC_REQUIRE([AC_PROG_CC])dnl
 AC_REQUIRE([AC_CANONICAL_HOST])dnl
+
+AC_ARG_WITH([gnu-ld],
+    [AS_HELP_STRING([--with-gnu-ld],
+        [assume the C compiler uses GNU ld [default=no]])],
+    [test "$withval" = no || with_gnu_ld=yes],
+    [with_gnu_ld=no])dnl
+
 # Prepare PATH_SEPARATOR.
 # The user is always right.
 if test "${PATH_SEPARATOR+set}" != set; then
@@ -40,10 +46,11 @@ if test "${PATH_SEPARATOR+set}" != set; then
            || PATH_SEPARATOR=';'
        }
 fi
+
 ac_prog=ld
 if test "$GCC" = yes; then
   # Check if gcc -print-prog-name=ld gives a path.
-  AC_MSG_CHECKING([for ld used by GCC])
+  AC_MSG_CHECKING([for ld used by $CC])
   case $host in
   *-*-mingw*)
     # gcc leaves a trailing carriage return which upsets mingw
@@ -53,11 +60,11 @@ if test "$GCC" = yes; then
   esac
   case $ac_prog in
     # Accept absolute paths.
-    [[\\/]* | [A-Za-z]:[\\/]*)]
-      [re_direlt='/[^/][^/]*/\.\./']
-      # Canonicalize the path of ld
-      ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'`
-      while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do
+    [[\\/]]* | ?:[[\\/]]*)
+      re_direlt='/[[^/]][[^/]]*/\.\./'
+      # Canonicalize the pathname of ld
+      ac_prog=`echo "$ac_prog"| sed 's%\\\\%/%g'`
+      while echo "$ac_prog" | grep "$re_direlt" > /dev/null 2>&1; do
         ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"`
       done
       test -z "$LD" && LD="$ac_prog"
@@ -78,23 +85,26 @@ else
 fi
 AC_CACHE_VAL([acl_cv_path_LD],
 [if test -z "$LD"; then
-  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
+  acl_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
   for ac_dir in $PATH; do
+    IFS="$acl_save_ifs"
     test -z "$ac_dir" && ac_dir=.
     if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
       acl_cv_path_LD="$ac_dir/$ac_prog"
       # Check to see if the program is GNU ld.  I'd rather use --version,
-      # but apparently some GNU ld's only accept -v.
+      # but apparently some variants of GNU ld only accept -v.
       # Break only if it was the GNU/non-GNU ld that we prefer.
-      case `"$acl_cv_path_LD" -v 2>&1 < /dev/null` in
+      case `"$acl_cv_path_LD" -v 2>&1 </dev/null` in
       *GNU* | *'with BFD'*)
-        test "$with_gnu_ld" != no && break ;;
+        test "$with_gnu_ld" != no && break
+        ;;
       *)
-        test "$with_gnu_ld" != yes && break ;;
+        test "$with_gnu_ld" != yes && break
+        ;;
       esac
     fi
   done
-  IFS="$ac_save_ifs"
+  IFS="$acl_save_ifs"
 else
   acl_cv_path_LD="$LD" # Let the user override the test with a path.
 fi])
diff --git a/m4/lib-link.m4 b/m4/lib-link.m4
index d11b4b435..3522d994d 100644
--- a/m4/lib-link.m4
+++ b/m4/lib-link.m4
@@ -1,5 +1,5 @@
 # lib-link.m4 serial 26 (gettext-0.18.2)
-dnl Copyright (C) 2001-2012 Free Software Foundation, Inc.
+dnl Copyright (C) 2001-2014 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/lib-prefix.m4 b/m4/lib-prefix.m4
index 177002ff6..31f49e40a 100644
--- a/m4/lib-prefix.m4
+++ b/m4/lib-prefix.m4
@@ -1,5 +1,5 @@
 # lib-prefix.m4 serial 7 (gettext-0.18)
-dnl Copyright (C) 2001-2012 Free Software Foundation, Inc.
+dnl Copyright (C) 2001-2005, 2008-2014 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/localcharset.m4 b/m4/localcharset.m4
index a1ecd0e3b..ada2f01f6 100644
--- a/m4/localcharset.m4
+++ b/m4/localcharset.m4
@@ -1,5 +1,5 @@
 # localcharset.m4 serial 7
-dnl Copyright (C) 2002-2012 Free Software Foundation, Inc.
+dnl Copyright (C) 2002, 2004, 2006, 2009-2014 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.